/home/kueuepay/public_html/vendor/laravel/serializable-closure/src/Support/ReflectionClosure.php
<?php

namespace Laravel\SerializableClosure\Support;

defined('T_NAME_QUALIFIED') || define('T_NAME_QUALIFIED', -4);
defined('T_NAME_FULLY_QUALIFIED') || define('T_NAME_FULLY_QUALIFIED', -5);
defined('T_FN') || define('T_FN', -6);
defined('T_NULLSAFE_OBJECT_OPERATOR') || define('T_NULLSAFE_OBJECT_OPERATOR', -7);

use Closure;
use ReflectionFunction;

class ReflectionClosure extends ReflectionFunction
{
    protected $code;
    protected $tokens;
    protected $hashedName;
    protected $useVariables;
    protected $isStaticClosure;
    protected $isScopeRequired;
    protected $isBindingRequired;
    protected $isShortClosure;

    protected static $files = [];
    protected static $classes = [];
    protected static $functions = [];
    protected static $constants = [];
    protected static $structures = [];

    /**
     * Creates a new reflection closure instance.
     *
     * @param  \Closure  $closure
     * @param  string|null  $code
     * @return void
     */
    public function __construct(Closure $closure, $code = null)
    {
        parent::__construct($closure);
    }

    /**
     * Checks if the closure is "static".
     *
     * @return bool
     */
    public function isStatic(): bool
    {
        if ($this->isStaticClosure === null) {
            $this->isStaticClosure = strtolower(substr($this->getCode(), 0, 6)) === 'static';
        }

        return $this->isStaticClosure;
    }

    /**
     * Checks if the closure is a "short closure".
     *
     * @return bool
     */
    public function isShortClosure()
    {
        if ($this->isShortClosure === null) {
            $code = $this->getCode();

            if ($this->isStatic()) {
                $code = substr($code, 6);
            }

            $this->isShortClosure = strtolower(substr(trim($code), 0, 2)) === 'fn';
        }

        return $this->isShortClosure;
    }

    /**
     * Get the closure's code.
     *
     * @return string
     */
    public function getCode()
    {
        if ($this->code !== null) {
            return $this->code;
        }

        $fileName = $this->getFileName();
        $line = $this->getStartLine() - 1;

        $className = null;

        if (null !== $className = $this->getClosureScopeClass()) {
            $className = '\\'.trim($className->getName(), '\\');
        }

        $builtin_types = self::getBuiltinTypes();
        $class_keywords = ['self', 'static', 'parent'];

        $ns = $this->getClosureNamespaceName();
        $nsf = $ns == '' ? '' : ($ns[0] == '\\' ? $ns : '\\'.$ns);

        $_file = var_export($fileName, true);
        $_dir = var_export(dirname($fileName), true);
        $_namespace = var_export($ns, true);
        $_class = var_export(trim($className ?: '', '\\'), true);
        $_function = $ns.($ns == '' ? '' : '\\').'{closure}';
        $_method = ($className == '' ? '' : trim($className, '\\').'::').$_function;
        $_function = var_export($_function, true);
        $_method = var_export($_method, true);
        $_trait = null;

        $tokens = $this->getTokens();
        $state = $lastState = 'start';
        $inside_structure = false;
        $isFirstClassCallable = false;
        $isShortClosure = false;

        $inside_structure_mark = 0;
        $open = 0;
        $code = '';
        $id_start = $id_start_ci = $id_name = $context = '';
        $classes = $functions = $constants = null;
        $use = [];
        $lineAdd = 0;
        $isUsingScope = false;
        $isUsingThisObject = false;

        for ($i = 0, $l = count($tokens); $i < $l; $i++) {
            $token = $tokens[$i];

            switch ($state) {
                case 'start':
                    if ($token[0] === T_FUNCTION || $token[0] === T_STATIC) {
                        $code .= $token[1];

                        $state = $token[0] === T_FUNCTION ? 'function' : 'static';
                    } elseif ($token[0] === T_FN) {
                        $isShortClosure = true;
                        $code .= $token[1];
                        $state = 'closure_args';
                    } elseif ($token[0] === T_PUBLIC || $token[0] === T_PROTECTED || $token[0] === T_PRIVATE) {
                        $code = '';
                        $isFirstClassCallable = true;
                    }
                    break;
                case 'static':
                    if ($token[0] === T_WHITESPACE || $token[0] === T_COMMENT || $token[0] === T_FUNCTION) {
                        $code .= $token[1];
                        if ($token[0] === T_FUNCTION) {
                            $state = 'function';
                        }
                    } elseif ($token[0] === T_FN) {
                        $isShortClosure = true;
                        $code .= $token[1];
                        $state = 'closure_args';
                    } else {
                        $code = '';
                        $state = 'start';
                    }
                    break;
                case 'function':
                    switch ($token[0]) {
                        case T_STRING:
                            if ($isFirstClassCallable) {
                                $state = 'closure_args';
                                break;
                            }

                            $code = '';
                            $state = 'named_function';
                            break;
                        case '(':
                            $code .= '(';
                            $state = 'closure_args';
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
                case 'named_function':
                    if ($token[0] === T_FUNCTION || $token[0] === T_STATIC) {
                        $code = $token[1];
                        $state = $token[0] === T_FUNCTION ? 'function' : 'static';
                    } elseif ($token[0] === T_FN) {
                        $isShortClosure = true;
                        $code .= $token[1];
                        $state = 'closure_args';
                    }
                    break;
                case 'closure_args':
                    switch ($token[0]) {
                        case T_NAME_QUALIFIED:
                            [$id_start, $id_start_ci, $id_name] = $this->parseNameQualified($token[1]);
                            $context = 'args';
                            $state = 'id_name';
                            $lastState = 'closure_args';
                            break;
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $context = 'args';
                            $state = 'id_name';
                            $lastState = 'closure_args';
                            break;
                        case T_USE:
                            $code .= $token[1];
                            $state = 'use';
                            break;
                        case T_DOUBLE_ARROW:
                            $code .= $token[1];
                            if ($isShortClosure) {
                                $state = 'closure';
                            }
                            break;
                        case ':':
                            $code .= ':';
                            $state = 'return';
                            break;
                        case '{':
                            $code .= '{';
                            $state = 'closure';
                            $open++;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
                case 'use':
                    switch ($token[0]) {
                        case T_VARIABLE:
                            $use[] = substr($token[1], 1);
                            $code .= $token[1];
                            break;
                        case '{':
                            $code .= '{';
                            $state = 'closure';
                            $open++;
                            break;
                        case ':':
                            $code .= ':';
                            $state = 'return';
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                            break;
                    }
                    break;
                case 'return':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $code .= $token[1];
                            break;
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $context = 'return_type';
                            $state = 'id_name';
                            $lastState = 'return';
                            break 2;
                        case T_NAME_QUALIFIED:
                            [$id_start, $id_start_ci, $id_name] = $this->parseNameQualified($token[1]);
                            $context = 'return_type';
                            $state = 'id_name';
                            $lastState = 'return';
                            break 2;
                        case T_DOUBLE_ARROW:
                            $code .= $token[1];
                            if ($isShortClosure) {
                                $state = 'closure';
                            }
                            break;
                        case '{':
                            $code .= '{';
                            $state = 'closure';
                            $open++;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                            break;
                    }
                    break;
                case 'closure':
                    switch ($token[0]) {
                        case T_CURLY_OPEN:
                        case T_DOLLAR_OPEN_CURLY_BRACES:
                        case '{':
                            $code .= is_array($token) ? $token[1] : $token;
                            $open++;
                            break;
                        case '}':
                            $code .= '}';
                            if (--$open === 0 && ! $isShortClosure) {
                                break 3;
                            } elseif ($inside_structure) {
                                $inside_structure = ! ($open === $inside_structure_mark);
                            }
                            break;
                        case '(':
                        case '[':
                            $code .= $token[0];
                            if ($isShortClosure) {
                                $open++;
                            }
                            break;
                        case ')':
                        case ']':
                            if ($isShortClosure) {
                                if ($open === 0) {
                                    break 3;
                                }
                                $open--;
                            }
                            $code .= $token[0];
                            break;
                        case ',':
                        case ';':
                            if ($isShortClosure && $open === 0) {
                                break 3;
                            }
                            $code .= $token[0];
                            break;
                        case T_LINE:
                            $code .= $token[2] - $line + $lineAdd;
                            break;
                        case T_FILE:
                            $code .= $_file;
                            break;
                        case T_DIR:
                            $code .= $_dir;
                            break;
                        case T_NS_C:
                            $code .= $_namespace;
                            break;
                        case T_CLASS_C:
                            $code .= $inside_structure ? $token[1] : $_class;
                            break;
                        case T_FUNC_C:
                            $code .= $inside_structure ? $token[1] : $_function;
                            break;
                        case T_METHOD_C:
                            $code .= $inside_structure ? $token[1] : $_method;
                            break;
                        case T_COMMENT:
                            if (substr($token[1], 0, 8) === '#trackme') {
                                $timestamp = time();
                                $code .= '/**'.PHP_EOL;
                                $code .= '* Date      : '.date(DATE_W3C, $timestamp).PHP_EOL;
                                $code .= '* Timestamp : '.$timestamp.PHP_EOL;
                                $code .= '* Line      : '.($line + 1).PHP_EOL;
                                $code .= '* File      : '.$_file.PHP_EOL.'*/'.PHP_EOL;
                                $lineAdd += 5;
                            } else {
                                $code .= $token[1];
                            }
                            break;
                        case T_VARIABLE:
                            if ($token[1] == '$this' && ! $inside_structure) {
                                $isUsingThisObject = true;
                            }
                            $code .= $token[1];
                            break;
                        case T_STATIC:
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $context = 'root';
                            $state = 'id_name';
                            $lastState = 'closure';
                            break 2;
                        case T_NAME_QUALIFIED:
                            [$id_start, $id_start_ci, $id_name] = $this->parseNameQualified($token[1]);
                            $context = 'root';
                            $state = 'id_name';
                            $lastState = 'closure';
                            break 2;
                        case T_NEW:
                            $code .= $token[1];
                            $context = 'new';
                            $state = 'id_start';
                            $lastState = 'closure';
                            break 2;
                        case T_USE:
                            $code .= $token[1];
                            $context = 'use';
                            $state = 'id_start';
                            $lastState = 'closure';
                            break;
                        case T_INSTANCEOF:
                        case T_INSTEADOF:
                            $code .= $token[1];
                            $context = 'instanceof';
                            $state = 'id_start';
                            $lastState = 'closure';
                            break;
                        case T_OBJECT_OPERATOR:
                        case T_NULLSAFE_OBJECT_OPERATOR:
                        case T_DOUBLE_COLON:
                            $code .= $token[1];
                            $lastState = 'closure';
                            $state = 'ignore_next';
                            break;
                        case T_FUNCTION:
                            $code .= $token[1];
                            $state = 'closure_args';
                            if (! $inside_structure) {
                                $inside_structure = true;
                                $inside_structure_mark = $open;
                            }
                            break;
                        case T_TRAIT_C:
                            if ($_trait === null) {
                                $startLine = $this->getStartLine();
                                $endLine = $this->getEndLine();
                                $structures = $this->getStructures();

                                $_trait = '';

                                foreach ($structures as &$struct) {
                                    if ($struct['type'] === 'trait' &&
                                        $struct['start'] <= $startLine &&
                                        $struct['end'] >= $endLine
                                    ) {
                                        $_trait = ($ns == '' ? '' : $ns.'\\').$struct['name'];
                                        break;
                                    }
                                }

                                $_trait = var_export($_trait, true);
                            }

                            $code .= $_trait;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
                case 'ignore_next':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $code .= $token[1];
                            break;
                        case T_CLASS:
                        case T_NEW:
                        case T_STATIC:
                        case T_VARIABLE:
                        case T_STRING:
                        case T_CLASS_C:
                        case T_FILE:
                        case T_DIR:
                        case T_METHOD_C:
                        case T_FUNC_C:
                        case T_FUNCTION:
                        case T_INSTANCEOF:
                        case T_LINE:
                        case T_NS_C:
                        case T_TRAIT_C:
                        case T_USE:
                            $code .= $token[1];
                            $state = $lastState;
                            break;
                        default:
                            $state = $lastState;
                            $i--;
                    }
                    break;
                case 'id_start':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $code .= $token[1];
                            break;
                        case T_NS_SEPARATOR:
                        case T_NAME_FULLY_QUALIFIED:
                        case T_STRING:
                        case T_STATIC:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $state = 'id_name';
                            break 2;
                        case T_NAME_QUALIFIED:
                            [$id_start, $id_start_ci, $id_name] = $this->parseNameQualified($token[1]);
                            $state = 'id_name';
                            break 2;
                        case T_VARIABLE:
                            $code .= $token[1];
                            $state = $lastState;
                            break;
                        case T_CLASS:
                            $code .= $token[1];
                            $state = 'anonymous';
                            break;
                        default:
                            $i--; //reprocess last
                            $state = 'id_name';
                    }
                    break;
                case 'id_name':
                    switch ($token[0]) {
                        case $token[0] === ':' && $context !== 'instanceof':
                            if ($lastState === 'closure' && $context === 'root') {
                                $state = 'closure';
                                $code .= $id_start.$token;
                            }

                            break;
                        case T_NAME_QUALIFIED:
                        case T_NS_SEPARATOR:
                        case T_STRING:
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            $id_name .= $token[1];
                            break;
                        case '(':
                            if ($isShortClosure) {
                                $open++;
                            }
                            if ($context === 'new' || false !== strpos($id_name, '\\')) {
                                if ($id_start_ci === 'self' || $id_start_ci === 'static') {
                                    if (! $inside_structure) {
                                        $isUsingScope = true;
                                    }
                                } elseif ($id_start !== '\\' && ! in_array($id_start_ci, $class_keywords)) {
                                    if ($classes === null) {
                                        $classes = $this->getClasses();
                                    }
                                    if (isset($classes[$id_start_ci])) {
                                        $id_start = $classes[$id_start_ci];
                                    }
                                    if ($id_start[0] !== '\\') {
                                        $id_start = $nsf.'\\'.$id_start;
                                    }
                                }
                            } else {
                                if ($id_start !== '\\') {
                                    if ($functions === null) {
                                        $functions = $this->getFunctions();
                                    }
                                    if (isset($functions[$id_start_ci])) {
                                        $id_start = $functions[$id_start_ci];
                                    } elseif ($nsf !== '\\' && function_exists($nsf.'\\'.$id_start)) {
                                        $id_start = $nsf.'\\'.$id_start;
                                        // Cache it to functions array
                                        $functions[$id_start_ci] = $id_start;
                                    }
                                }
                            }
                            $code .= $id_start.$id_name.'(';
                            $state = $lastState;
                            break;
                        case T_VARIABLE:
                        case T_DOUBLE_COLON:
                            if ($id_start !== '\\') {
                                if ($id_start_ci === 'self' || $id_start_ci === 'parent') {
                                    if (! $inside_structure) {
                                        $isUsingScope = true;
                                    }
                                } elseif ($id_start_ci === 'static') {
                                    if (! $inside_structure) {
                                        $isUsingScope = $token[0] === T_DOUBLE_COLON;
                                    }
                                } elseif (! (\PHP_MAJOR_VERSION >= 7 && in_array($id_start_ci, $builtin_types))) {
                                    if ($classes === null) {
                                        $classes = $this->getClasses();
                                    }
                                    if (isset($classes[$id_start_ci])) {
                                        $id_start = $classes[$id_start_ci];
                                    }
                                    if ($id_start[0] !== '\\') {
                                        $id_start = $nsf.'\\'.$id_start;
                                    }
                                }
                            }

                            $code .= $id_start.$id_name.$token[1];
                            $state = $token[0] === T_DOUBLE_COLON ? 'ignore_next' : $lastState;
                            break;
                        default:
                            if ($id_start !== '\\' && ! defined($id_start)) {
                                if ($constants === null) {
                                    $constants = $this->getConstants();
                                }
                                if (isset($constants[$id_start])) {
                                    $id_start = $constants[$id_start];
                                } elseif ($context === 'new') {
                                    if (in_array($id_start_ci, $class_keywords)) {
                                        if (! $inside_structure) {
                                            $isUsingScope = true;
                                        }
                                    } else {
                                        if ($classes === null) {
                                            $classes = $this->getClasses();
                                        }
                                        if (isset($classes[$id_start_ci])) {
                                            $id_start = $classes[$id_start_ci];
                                        }
                                        if ($id_start[0] !== '\\') {
                                            $id_start = $nsf.'\\'.$id_start;
                                        }
                                    }
                                } elseif ($context === 'use' ||
                                    $context === 'instanceof' ||
                                    $context === 'args' ||
                                    $context === 'return_type' ||
                                    $context === 'extends' ||
                                    $context === 'root'
                                ) {
                                    if (in_array($id_start_ci, $class_keywords)) {
                                        if (! $inside_structure && ! $id_start_ci === 'static') {
                                            $isUsingScope = true;
                                        }
                                    } elseif (! (\PHP_MAJOR_VERSION >= 7 && in_array($id_start_ci, $builtin_types))) {
                                        if ($classes === null) {
                                            $classes = $this->getClasses();
                                        }
                                        if (isset($classes[$id_start_ci])) {
                                            $id_start = $classes[$id_start_ci];
                                        }
                                        if ($id_start[0] !== '\\') {
                                            $id_start = $nsf.'\\'.$id_start;
                                        }
                                    }
                                }
                            }
                            $code .= $id_start.$id_name;
                            $state = $lastState;
                            $i--; //reprocess last token
                    }
                    break;
                case 'anonymous':
                    switch ($token[0]) {
                        case T_NAME_QUALIFIED:
                            [$id_start, $id_start_ci, $id_name] = $this->parseNameQualified($token[1]);
                            $state = 'id_name';
                            $lastState = 'anonymous';
                            break 2;
                        case T_NS_SEPARATOR:
                        case T_STRING:
                            $id_start = $token[1];
                            $id_start_ci = strtolower($id_start);
                            $id_name = '';
                            $state = 'id_name';
                            $context = 'extends';
                            $lastState = 'anonymous';
                            break;
                        case '{':
                            $state = 'closure';
                            if (! $inside_structure) {
                                $inside_structure = true;
                                $inside_structure_mark = $open;
                            }
                            $i--;
                            break;
                        default:
                            $code .= is_array($token) ? $token[1] : $token;
                    }
                    break;
            }
        }

        if ($isShortClosure) {
            $this->useVariables = $this->getStaticVariables();
        } else {
            $this->useVariables = empty($use) ? $use : array_intersect_key($this->getStaticVariables(), array_flip($use));
        }

        $this->isShortClosure = $isShortClosure;
        $this->isBindingRequired = $isUsingThisObject;
        $this->isScopeRequired = $isUsingScope;

        if (PHP_VERSION_ID >= 80100) {
            $attributesCode = array_map(function ($attribute) {
                $arguments = $attribute->getArguments();

                $name = $attribute->getName();
                $arguments = implode(', ', array_map(function ($argument, $key) {
                    $argument = sprintf("'%s'", str_replace("'", "\\'", $argument));

                    if (is_string($key)) {
                        $argument = sprintf('%s: %s', $key, $argument);
                    }

                    return $argument;
                }, $arguments, array_keys($arguments)));

                return "#[$name($arguments)]";
            }, $this->getAttributes());

            if (! empty($attributesCode)) {
                $code = implode("\n", array_merge($attributesCode, [$code]));
            }
        }

        $this->code = $code;

        return $this->code;
    }

    /**
     * Get PHP native built in types.
     *
     * @return array
     */
    protected static function getBuiltinTypes()
    {
        // PHP 8.1
        if (PHP_VERSION_ID >= 80100) {
            return ['array', 'callable', 'string', 'int', 'bool', 'float', 'iterable', 'void', 'object', 'mixed', 'false', 'null', 'never'];
        }

        // PHP 8
        if (\PHP_MAJOR_VERSION === 8) {
            return ['array', 'callable', 'string', 'int', 'bool', 'float', 'iterable', 'void', 'object', 'mixed', 'false', 'null'];
        }

        // PHP 7
        switch (\PHP_MINOR_VERSION) {
            case 0:
                return ['array', 'callable', 'string', 'int', 'bool', 'float'];
            case 1:
                return ['array', 'callable', 'string', 'int', 'bool', 'float', 'iterable', 'void'];
            default:
                return ['array', 'callable', 'string', 'int', 'bool', 'float', 'iterable', 'void', 'object'];
        }
    }

    /**
     * Gets the use variables by the closure.
     *
     * @return array
     */
    public function getUseVariables()
    {
        if ($this->useVariables !== null) {
            return $this->useVariables;
        }

        $tokens = $this->getTokens();
        $use = [];
        $state = 'start';

        foreach ($tokens as &$token) {
            $is_array = is_array($token);

            switch ($state) {
                case 'start':
                    if ($is_array && $token[0] === T_USE) {
                        $state = 'use';
                    }
                    break;
                case 'use':
                    if ($is_array) {
                        if ($token[0] === T_VARIABLE) {
                            $use[] = substr($token[1], 1);
                        }
                    } elseif ($token == ')') {
                        break 2;
                    }
                    break;
            }
        }

        $this->useVariables = empty($use) ? $use : array_intersect_key($this->getStaticVariables(), array_flip($use));

        return $this->useVariables;
    }

    /**
     * Checks if binding is required.
     *
     * @return bool
     */
    public function isBindingRequired()
    {
        if ($this->isBindingRequired === null) {
            $this->getCode();
        }

        return $this->isBindingRequired;
    }

    /**
     * Checks if access to the scope is required.
     *
     * @return bool
     */
    public function isScopeRequired()
    {
        if ($this->isScopeRequired === null) {
            $this->getCode();
        }

        return $this->isScopeRequired;
    }

    /**
     * The the hash of the current file name.
     *
     * @return string
     */
    protected function getHashedFileName()
    {
        if ($this->hashedName === null) {
            $this->hashedName = sha1($this->getFileName());
        }

        return $this->hashedName;
    }

    /**
     * Get the file tokens.
     *
     * @return array
     */
    protected function getFileTokens()
    {
        $key = $this->getHashedFileName();

        if (! isset(static::$files[$key])) {
            static::$files[$key] = token_get_all(file_get_contents($this->getFileName()));
        }

        return static::$files[$key];
    }

    /**
     * Get the tokens.
     *
     * @return array
     */
    protected function getTokens()
    {
        if ($this->tokens === null) {
            $tokens = $this->getFileTokens();
            $startLine = $this->getStartLine();
            $endLine = $this->getEndLine();
            $results = [];
            $start = false;

            foreach ($tokens as &$token) {
                if (! is_array($token)) {
                    if ($start) {
                        $results[] = $token;
                    }

                    continue;
                }

                $line = $token[2];

                if ($line <= $endLine) {
                    if ($line >= $startLine) {
                        $start = true;
                        $results[] = $token;
                    }

                    continue;
                }

                break;
            }

            $this->tokens = $results;
        }

        return $this->tokens;
    }

    /**
     * Get the classes.
     *
     * @return array
     */
    protected function getClasses()
    {
        $key = $this->getHashedFileName();

        if (! isset(static::$classes[$key])) {
            $this->fetchItems();
        }

        return static::$classes[$key];
    }

    /**
     * Get the functions.
     *
     * @return array
     */
    protected function getFunctions()
    {
        $key = $this->getHashedFileName();

        if (! isset(static::$functions[$key])) {
            $this->fetchItems();
        }

        return static::$functions[$key];
    }

    /**
     * Gets the constants.
     *
     * @return array
     */
    protected function getConstants()
    {
        $key = $this->getHashedFileName();

        if (! isset(static::$constants[$key])) {
            $this->fetchItems();
        }

        return static::$constants[$key];
    }

    /**
     * Get the structures.
     *
     * @return array
     */
    protected function getStructures()
    {
        $key = $this->getHashedFileName();

        if (! isset(static::$structures[$key])) {
            $this->fetchItems();
        }

        return static::$structures[$key];
    }

    /**
     * Fetch the items.
     *
     * @return void.
     */
    protected function fetchItems()
    {
        $key = $this->getHashedFileName();

        $classes = [];
        $functions = [];
        $constants = [];
        $structures = [];
        $tokens = $this->getFileTokens();

        $open = 0;
        $state = 'start';
        $lastState = '';
        $prefix = '';
        $name = '';
        $alias = '';
        $isFunc = $isConst = false;

        $startLine = $endLine = 0;
        $structType = $structName = '';
        $structIgnore = false;

        foreach ($tokens as $token) {
            switch ($state) {
                case 'start':
                    switch ($token[0]) {
                        case T_CLASS:
                        case T_INTERFACE:
                        case T_TRAIT:
                            $state = 'before_structure';
                            $startLine = $token[2];
                            $structType = $token[0] == T_CLASS
                                                    ? 'class'
                                                    : ($token[0] == T_INTERFACE ? 'interface' : 'trait');
                            break;
                        case T_USE:
                            $state = 'use';
                            $prefix = $name = $alias = '';
                            $isFunc = $isConst = false;
                            break;
                        case T_FUNCTION:
                            $state = 'structure';
                            $structIgnore = true;
                            break;
                        case T_NEW:
                            $state = 'new';
                            break;
                        case T_OBJECT_OPERATOR:
                        case T_DOUBLE_COLON:
                            $state = 'invoke';
                            break;
                    }
                    break;
                case 'use':
                    switch ($token[0]) {
                        case T_FUNCTION:
                            $isFunc = true;
                            break;
                        case T_CONST:
                            $isConst = true;
                            break;
                        case T_NS_SEPARATOR:
                            $name .= $token[1];
                            break;
                        case T_STRING:
                            $name .= $token[1];
                            $alias = $token[1];
                            break;
                        case T_NAME_QUALIFIED:
                            $name .= $token[1];
                            $pieces = explode('\\', $token[1]);
                            $alias = end($pieces);
                            break;
                        case T_AS:
                            $lastState = 'use';
                            $state = 'alias';
                            break;
                        case '{':
                            $prefix = $name;
                            $name = $alias = '';
                            $state = 'use-group';
                            break;
                        case ',':
                        case ';':
                            if ($name === '' || $name[0] !== '\\') {
                                $name = '\\'.$name;
                            }

                            if ($alias !== '') {
                                if ($isFunc) {
                                    $functions[strtolower($alias)] = $name;
                                } elseif ($isConst) {
                                    $constants[$alias] = $name;
                                } else {
                                    $classes[strtolower($alias)] = $name;
                                }
                            }
                            $name = $alias = '';
                            $state = $token === ';' ? 'start' : 'use';
                            break;
                    }
                    break;
                case 'use-group':
                    switch ($token[0]) {
                        case T_NS_SEPARATOR:
                            $name .= $token[1];
                            break;
                        case T_NAME_QUALIFIED:
                            $name .= $token[1];
                            $pieces = explode('\\', $token[1]);
                            $alias = end($pieces);
                            break;
                        case T_STRING:
                            $name .= $token[1];
                            $alias = $token[1];
                            break;
                        case T_AS:
                            $lastState = 'use-group';
                            $state = 'alias';
                            break;
                        case ',':
                        case '}':

                            if ($prefix === '' || $prefix[0] !== '\\') {
                                $prefix = '\\'.$prefix;
                            }

                            if ($alias !== '') {
                                if ($isFunc) {
                                    $functions[strtolower($alias)] = $prefix.$name;
                                } elseif ($isConst) {
                                    $constants[$alias] = $prefix.$name;
                                } else {
                                    $classes[strtolower($alias)] = $prefix.$name;
                                }
                            }
                            $name = $alias = '';
                            $state = $token === '}' ? 'use' : 'use-group';
                            break;
                    }
                    break;
                case 'alias':
                    if ($token[0] === T_STRING) {
                        $alias = $token[1];
                        $state = $lastState;
                    }
                    break;
                case 'new':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            break 2;
                        case T_CLASS:
                            $state = 'structure';
                            $structIgnore = true;
                            break;
                        default:
                            $state = 'start';
                    }
                    break;
                case 'invoke':
                    switch ($token[0]) {
                        case T_WHITESPACE:
                        case T_COMMENT:
                        case T_DOC_COMMENT:
                            break 2;
                        default:
                            $state = 'start';
                    }
                    break;
                case 'before_structure':
                    if ($token[0] == T_STRING) {
                        $structName = $token[1];
                        $state = 'structure';
                    }
                    break;
                case 'structure':
                    switch ($token[0]) {
                        case '{':
                        case T_CURLY_OPEN:
                        case T_DOLLAR_OPEN_CURLY_BRACES:
                            $open++;
                            break;
                        case '}':
                            if (--$open == 0) {
                                if (! $structIgnore) {
                                    $structures[] = [
                                        'type'  => $structType,
                                        'name'  => $structName,
                                        'start' => $startLine,
                                        'end'   => $endLine,
                                    ];
                                }
                                $structIgnore = false;
                                $state = 'start';
                            }
                            break;
                        default:
                            if (is_array($token)) {
                                $endLine = $token[2];
                            }
                    }
                    break;
            }
        }

        static::$classes[$key] = $classes;
        static::$functions[$key] = $functions;
        static::$constants[$key] = $constants;
        static::$structures[$key] = $structures;
    }

    /**
     * Returns the namespace associated to the closure.
     *
     * @return string
     */
    protected function getClosureNamespaceName()
    {
        $ns = $this->getNamespaceName();

        // First class callables...
        if ($this->getName() !== '{closure}' && empty($ns) && ! is_null($this->getClosureScopeClass())) {
            $ns = $this->getClosureScopeClass()->getNamespaceName();
        }

        return $ns;
    }

    /**
     * Parse the given token.
     *
     * @param  string  $token
     * @return array
     */
    protected function parseNameQualified($token)
    {
        $pieces = explode('\\', $token);

        $id_start = array_shift($pieces);

        $id_start_ci = strtolower($id_start);

        $id_name = '\\'.implode('\\', $pieces);

        return [$id_start, $id_start_ci, $id_name];
    }
}
Kueue Pay | Contactless Payment System
top

Quick Steps to NFC Pay

Getting started with NFC Pay is simple and quick. Register your account, add your cards, and you're ready to make payments in no time. Whether you're paying at a store, sending money to a friend, or managing your merchant transactions, NFC Pay makes it easy and secure.

1

Register Your Account

Download the NFC Pay app and sign up with your email or phone number. Complete the registration process by verifying your identity, and set up your secure PIN to protect your account.

2

Add Your Cards

Link your debit or credit cards to your NFC Pay wallet. Simply scan your card or enter the details manually, and you’re set to load funds, shop, and pay with ease.

3

Make Payment

To pay, simply tap your phone or scan the QR code at checkout. You can also transfer money to other users with a few taps. Enjoy fast, contactless payments with top-notch security.

Advanced Security Features Designed to Protect Your Information Effectively

NFC Pay prioritizes your security with advanced features that safeguard every transaction. From SMS or email verification to end-to-end encryption, we've implemented robust measures to ensure your data is always protected. Our security systems are designed to prevent unauthorized access and provide you with a safe and reliable payment experience.

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SMS or Email Verification

Receive instant alerts for every transaction to keep track of your account activities.

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KYC Solution

Verify your identity through our Know Your Customer process to prevent fraud and enhance security.

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Two Factor Authentication

Dramatically supply transparent backward deliverables before caward comp internal or "organic" sources.

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End-to-End Encryption

All your data and transactions are encrypted, ensuring that your sensitive information remains private.

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Behavior Tracking

Monitor unusual activity patterns to detect and prevent suspicious behavior in real-time.

Top Reasons to Choose Us for Reliable and Expert Solutions

With NFC Pay, you get a trusted platform backed by proven expertise and a commitment to quality. We put our customers first, offering innovative solutions tailored to your needs, ensuring every transaction is secure, swift, and seamless.

1

Proven Expertise

Our team brings years of experience in the digital payments industry to provide reliable services.

2

Commitment to Quality

We prioritize excellence, ensuring that every aspect of our platform meets the highest standards.

3

Customer-Centric Approach

Your needs drive our solutions, and we are dedicated to delivering a superior user experience.

4

Innovative Solutions

We continuously evolve, integrating the latest technologies to enhance your payment experience.

Customer Feedback: Real Experiences from Satisfied Clients and Partners

Hear from our users who trust NFC Pay for their everyday transactions. Our commitment to security, ease of use, and exceptional service shines through in their experiences. See why our clients choose NFC Pay for their payment needs and how it has transformed the way they manage their finances.

"NFC Pay has made my transactions incredibly simple and secure. The intuitive interface and quick payment options are game-changers for my business"

"I love how NFC Pay prioritizes security without compromising on convenience. The two-factor authentication and instant alerts give me peace of mind every time I use it."

"Setting up my merchant account was a breeze, and now I can accept payments effortlessly. NFC Pay has truly streamlined my operations, saving me time and hassle."

Get the NFC Pay App for Seamless Transactions Anytime, Anywhere

Unlock the full potential of NFC Pay by downloading our app, designed to bring secure, swift, and smart transactions to your fingertips. Whether you're paying at a store, transferring money to friends, or managing your business payments, the NFC Pay app makes it effortless. Available on both iOS and Android, it's your all-in-one solution for convenient and reliable digital payments. Download now and experience the future of payments!

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