/home/kueuepay/public_html/vendor/laravel/framework/src/Illuminate/Support/Str.php
<?php

namespace Illuminate\Support;

use Closure;
use Illuminate\Support\Traits\Macroable;
use JsonException;
use League\CommonMark\Environment\Environment;
use League\CommonMark\Extension\GithubFlavoredMarkdownExtension;
use League\CommonMark\Extension\InlinesOnly\InlinesOnlyExtension;
use League\CommonMark\GithubFlavoredMarkdownConverter;
use League\CommonMark\MarkdownConverter;
use Ramsey\Uuid\Codec\TimestampFirstCombCodec;
use Ramsey\Uuid\Generator\CombGenerator;
use Ramsey\Uuid\Uuid;
use Ramsey\Uuid\UuidFactory;
use Symfony\Component\Uid\Ulid;
use Traversable;
use voku\helper\ASCII;

class Str
{
    use Macroable;

    /**
     * The cache of snake-cased words.
     *
     * @var array
     */
    protected static $snakeCache = [];

    /**
     * The cache of camel-cased words.
     *
     * @var array
     */
    protected static $camelCache = [];

    /**
     * The cache of studly-cased words.
     *
     * @var array
     */
    protected static $studlyCache = [];

    /**
     * The callback that should be used to generate UUIDs.
     *
     * @var callable|null
     */
    protected static $uuidFactory;

    /**
     * The callback that should be used to generate random strings.
     *
     * @var callable|null
     */
    protected static $randomStringFactory;

    /**
     * Get a new stringable object from the given string.
     *
     * @param  string  $string
     * @return \Illuminate\Support\Stringable
     */
    public static function of($string)
    {
        return new Stringable($string);
    }

    /**
     * Return the remainder of a string after the first occurrence of a given value.
     *
     * @param  string  $subject
     * @param  string  $search
     * @return string
     */
    public static function after($subject, $search)
    {
        return $search === '' ? $subject : array_reverse(explode($search, $subject, 2))[0];
    }

    /**
     * Return the remainder of a string after the last occurrence of a given value.
     *
     * @param  string  $subject
     * @param  string  $search
     * @return string
     */
    public static function afterLast($subject, $search)
    {
        if ($search === '') {
            return $subject;
        }

        $position = strrpos($subject, (string) $search);

        if ($position === false) {
            return $subject;
        }

        return substr($subject, $position + strlen($search));
    }

    /**
     * Transliterate a UTF-8 value to ASCII.
     *
     * @param  string  $value
     * @param  string  $language
     * @return string
     */
    public static function ascii($value, $language = 'en')
    {
        return ASCII::to_ascii((string) $value, $language);
    }

    /**
     * Transliterate a string to its closest ASCII representation.
     *
     * @param  string  $string
     * @param  string|null  $unknown
     * @param  bool|null  $strict
     * @return string
     */
    public static function transliterate($string, $unknown = '?', $strict = false)
    {
        return ASCII::to_transliterate($string, $unknown, $strict);
    }

    /**
     * Get the portion of a string before the first occurrence of a given value.
     *
     * @param  string  $subject
     * @param  string  $search
     * @return string
     */
    public static function before($subject, $search)
    {
        if ($search === '') {
            return $subject;
        }

        $result = strstr($subject, (string) $search, true);

        return $result === false ? $subject : $result;
    }

    /**
     * Get the portion of a string before the last occurrence of a given value.
     *
     * @param  string  $subject
     * @param  string  $search
     * @return string
     */
    public static function beforeLast($subject, $search)
    {
        if ($search === '') {
            return $subject;
        }

        $pos = mb_strrpos($subject, $search);

        if ($pos === false) {
            return $subject;
        }

        return static::substr($subject, 0, $pos);
    }

    /**
     * Get the portion of a string between two given values.
     *
     * @param  string  $subject
     * @param  string  $from
     * @param  string  $to
     * @return string
     */
    public static function between($subject, $from, $to)
    {
        if ($from === '' || $to === '') {
            return $subject;
        }

        return static::beforeLast(static::after($subject, $from), $to);
    }

    /**
     * Get the smallest possible portion of a string between two given values.
     *
     * @param  string  $subject
     * @param  string  $from
     * @param  string  $to
     * @return string
     */
    public static function betweenFirst($subject, $from, $to)
    {
        if ($from === '' || $to === '') {
            return $subject;
        }

        return static::before(static::after($subject, $from), $to);
    }

    /**
     * Convert a value to camel case.
     *
     * @param  string  $value
     * @return string
     */
    public static function camel($value)
    {
        if (isset(static::$camelCache[$value])) {
            return static::$camelCache[$value];
        }

        return static::$camelCache[$value] = lcfirst(static::studly($value));
    }

    /**
     * Determine if a given string contains a given substring.
     *
     * @param  string  $haystack
     * @param  string|iterable<string>  $needles
     * @param  bool  $ignoreCase
     * @return bool
     */
    public static function contains($haystack, $needles, $ignoreCase = false)
    {
        if ($ignoreCase) {
            $haystack = mb_strtolower($haystack);
        }

        if (! is_iterable($needles)) {
            $needles = (array) $needles;
        }

        foreach ($needles as $needle) {
            if ($ignoreCase) {
                $needle = mb_strtolower($needle);
            }

            if ($needle !== '' && str_contains($haystack, $needle)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Determine if a given string contains all array values.
     *
     * @param  string  $haystack
     * @param  iterable<string>  $needles
     * @param  bool  $ignoreCase
     * @return bool
     */
    public static function containsAll($haystack, $needles, $ignoreCase = false)
    {
        foreach ($needles as $needle) {
            if (! static::contains($haystack, $needle, $ignoreCase)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Determine if a given string ends with a given substring.
     *
     * @param  string  $haystack
     * @param  string|iterable<string>  $needles
     * @return bool
     */
    public static function endsWith($haystack, $needles)
    {
        if (! is_iterable($needles)) {
            $needles = (array) $needles;
        }

        foreach ($needles as $needle) {
            if ((string) $needle !== '' && str_ends_with($haystack, $needle)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Extracts an excerpt from text that matches the first instance of a phrase.
     *
     * @param  string  $text
     * @param  string  $phrase
     * @param  array  $options
     * @return string|null
     */
    public static function excerpt($text, $phrase = '', $options = [])
    {
        $radius = $options['radius'] ?? 100;
        $omission = $options['omission'] ?? '...';

        preg_match('/^(.*?)('.preg_quote((string) $phrase).')(.*)$/iu', (string) $text, $matches);

        if (empty($matches)) {
            return null;
        }

        $start = ltrim($matches[1]);

        $start = str(mb_substr($start, max(mb_strlen($start, 'UTF-8') - $radius, 0), $radius, 'UTF-8'))->ltrim()->unless(
            fn ($startWithRadius) => $startWithRadius->exactly($start),
            fn ($startWithRadius) => $startWithRadius->prepend($omission),
        );

        $end = rtrim($matches[3]);

        $end = str(mb_substr($end, 0, $radius, 'UTF-8'))->rtrim()->unless(
            fn ($endWithRadius) => $endWithRadius->exactly($end),
            fn ($endWithRadius) => $endWithRadius->append($omission),
        );

        return $start->append($matches[2], $end)->toString();
    }

    /**
     * Cap a string with a single instance of a given value.
     *
     * @param  string  $value
     * @param  string  $cap
     * @return string
     */
    public static function finish($value, $cap)
    {
        $quoted = preg_quote($cap, '/');

        return preg_replace('/(?:'.$quoted.')+$/u', '', $value).$cap;
    }

    /**
     * Wrap the string with the given strings.
     *
     * @param  string  $value
     * @param  string  $before
     * @param  string|null  $after
     * @return string
     */
    public static function wrap($value, $before, $after = null)
    {
        return $before.$value.($after ??= $before);
    }

    /**
     * Determine if a given string matches a given pattern.
     *
     * @param  string|iterable<string>  $pattern
     * @param  string  $value
     * @return bool
     */
    public static function is($pattern, $value)
    {
        $value = (string) $value;

        if (! is_iterable($pattern)) {
            $pattern = [$pattern];
        }

        foreach ($pattern as $pattern) {
            $pattern = (string) $pattern;

            // If the given value is an exact match we can of course return true right
            // from the beginning. Otherwise, we will translate asterisks and do an
            // actual pattern match against the two strings to see if they match.
            if ($pattern === $value) {
                return true;
            }

            $pattern = preg_quote($pattern, '#');

            // Asterisks are translated into zero-or-more regular expression wildcards
            // to make it convenient to check if the strings starts with the given
            // pattern such as "library/*", making any string check convenient.
            $pattern = str_replace('\*', '.*', $pattern);

            if (preg_match('#^'.$pattern.'\z#u', $value) === 1) {
                return true;
            }
        }

        return false;
    }

    /**
     * Determine if a given string is 7 bit ASCII.
     *
     * @param  string  $value
     * @return bool
     */
    public static function isAscii($value)
    {
        return ASCII::is_ascii((string) $value);
    }

    /**
     * Determine if a given string is valid JSON.
     *
     * @param  string  $value
     * @return bool
     */
    public static function isJson($value)
    {
        if (! is_string($value)) {
            return false;
        }

        try {
            json_decode($value, true, 512, JSON_THROW_ON_ERROR);
        } catch (JsonException) {
            return false;
        }

        return true;
    }

    /**
     * Determine if a given string is a valid UUID.
     *
     * @param  string  $value
     * @return bool
     */
    public static function isUuid($value)
    {
        if (! is_string($value)) {
            return false;
        }

        return preg_match('/^[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}$/iD', $value) > 0;
    }

    /**
     * Determine if a given string is a valid ULID.
     *
     * @param  string  $value
     * @return bool
     */
    public static function isUlid($value)
    {
        if (! is_string($value)) {
            return false;
        }

        return Ulid::isValid($value);
    }

    /**
     * Convert a string to kebab case.
     *
     * @param  string  $value
     * @return string
     */
    public static function kebab($value)
    {
        return static::snake($value, '-');
    }

    /**
     * Return the length of the given string.
     *
     * @param  string  $value
     * @param  string|null  $encoding
     * @return int
     */
    public static function length($value, $encoding = null)
    {
        if ($encoding) {
            return mb_strlen($value, $encoding);
        }

        return mb_strlen($value);
    }

    /**
     * Limit the number of characters in a string.
     *
     * @param  string  $value
     * @param  int  $limit
     * @param  string  $end
     * @return string
     */
    public static function limit($value, $limit = 100, $end = '...')
    {
        if (mb_strwidth($value, 'UTF-8') <= $limit) {
            return $value;
        }

        return rtrim(mb_strimwidth($value, 0, $limit, '', 'UTF-8')).$end;
    }

    /**
     * Convert the given string to lower-case.
     *
     * @param  string  $value
     * @return string
     */
    public static function lower($value)
    {
        return mb_strtolower($value, 'UTF-8');
    }

    /**
     * Limit the number of words in a string.
     *
     * @param  string  $value
     * @param  int  $words
     * @param  string  $end
     * @return string
     */
    public static function words($value, $words = 100, $end = '...')
    {
        preg_match('/^\s*+(?:\S++\s*+){1,'.$words.'}/u', $value, $matches);

        if (! isset($matches[0]) || static::length($value) === static::length($matches[0])) {
            return $value;
        }

        return rtrim($matches[0]).$end;
    }

    /**
     * Converts GitHub flavored Markdown into HTML.
     *
     * @param  string  $string
     * @param  array  $options
     * @return string
     */
    public static function markdown($string, array $options = [])
    {
        $converter = new GithubFlavoredMarkdownConverter($options);

        return (string) $converter->convert($string);
    }

    /**
     * Converts inline Markdown into HTML.
     *
     * @param  string  $string
     * @param  array  $options
     * @return string
     */
    public static function inlineMarkdown($string, array $options = [])
    {
        $environment = new Environment($options);

        $environment->addExtension(new GithubFlavoredMarkdownExtension());
        $environment->addExtension(new InlinesOnlyExtension());

        $converter = new MarkdownConverter($environment);

        return (string) $converter->convert($string);
    }

    /**
     * Masks a portion of a string with a repeated character.
     *
     * @param  string  $string
     * @param  string  $character
     * @param  int  $index
     * @param  int|null  $length
     * @param  string  $encoding
     * @return string
     */
    public static function mask($string, $character, $index, $length = null, $encoding = 'UTF-8')
    {
        if ($character === '') {
            return $string;
        }

        $segment = mb_substr($string, $index, $length, $encoding);

        if ($segment === '') {
            return $string;
        }

        $strlen = mb_strlen($string, $encoding);
        $startIndex = $index;

        if ($index < 0) {
            $startIndex = $index < -$strlen ? 0 : $strlen + $index;
        }

        $start = mb_substr($string, 0, $startIndex, $encoding);
        $segmentLen = mb_strlen($segment, $encoding);
        $end = mb_substr($string, $startIndex + $segmentLen);

        return $start.str_repeat(mb_substr($character, 0, 1, $encoding), $segmentLen).$end;
    }

    /**
     * Get the string matching the given pattern.
     *
     * @param  string  $pattern
     * @param  string  $subject
     * @return string
     */
    public static function match($pattern, $subject)
    {
        preg_match($pattern, $subject, $matches);

        if (! $matches) {
            return '';
        }

        return $matches[1] ?? $matches[0];
    }

    /**
     * Get the string matching the given pattern.
     *
     * @param  string  $pattern
     * @param  string  $subject
     * @return \Illuminate\Support\Collection
     */
    public static function matchAll($pattern, $subject)
    {
        preg_match_all($pattern, $subject, $matches);

        if (empty($matches[0])) {
            return collect();
        }

        return collect($matches[1] ?? $matches[0]);
    }

    /**
     * Pad both sides of a string with another.
     *
     * @param  string  $value
     * @param  int  $length
     * @param  string  $pad
     * @return string
     */
    public static function padBoth($value, $length, $pad = ' ')
    {
        $short = max(0, $length - mb_strlen($value));
        $shortLeft = floor($short / 2);
        $shortRight = ceil($short / 2);

        return mb_substr(str_repeat($pad, $shortLeft), 0, $shortLeft).
               $value.
               mb_substr(str_repeat($pad, $shortRight), 0, $shortRight);
    }

    /**
     * Pad the left side of a string with another.
     *
     * @param  string  $value
     * @param  int  $length
     * @param  string  $pad
     * @return string
     */
    public static function padLeft($value, $length, $pad = ' ')
    {
        $short = max(0, $length - mb_strlen($value));

        return mb_substr(str_repeat($pad, $short), 0, $short).$value;
    }

    /**
     * Pad the right side of a string with another.
     *
     * @param  string  $value
     * @param  int  $length
     * @param  string  $pad
     * @return string
     */
    public static function padRight($value, $length, $pad = ' ')
    {
        $short = max(0, $length - mb_strlen($value));

        return $value.mb_substr(str_repeat($pad, $short), 0, $short);
    }

    /**
     * Parse a Class[@]method style callback into class and method.
     *
     * @param  string  $callback
     * @param  string|null  $default
     * @return array<int, string|null>
     */
    public static function parseCallback($callback, $default = null)
    {
        return static::contains($callback, '@') ? explode('@', $callback, 2) : [$callback, $default];
    }

    /**
     * Get the plural form of an English word.
     *
     * @param  string  $value
     * @param  int|array|\Countable  $count
     * @return string
     */
    public static function plural($value, $count = 2)
    {
        return Pluralizer::plural($value, $count);
    }

    /**
     * Pluralize the last word of an English, studly caps case string.
     *
     * @param  string  $value
     * @param  int|array|\Countable  $count
     * @return string
     */
    public static function pluralStudly($value, $count = 2)
    {
        $parts = preg_split('/(.)(?=[A-Z])/u', $value, -1, PREG_SPLIT_DELIM_CAPTURE);

        $lastWord = array_pop($parts);

        return implode('', $parts).self::plural($lastWord, $count);
    }

    /**
     * Generate a more truly "random" alpha-numeric string.
     *
     * @param  int  $length
     * @return string
     */
    public static function random($length = 16)
    {
        return (static::$randomStringFactory ?? function ($length) {
            $string = '';

            while (($len = strlen($string)) < $length) {
                $size = $length - $len;

                $bytesSize = (int) ceil($size / 3) * 3;

                $bytes = random_bytes($bytesSize);

                $string .= substr(str_replace(['/', '+', '='], '', base64_encode($bytes)), 0, $size);
            }

            return $string;
        })($length);
    }

    /**
     * Set the callable that will be used to generate random strings.
     *
     * @param  callable|null  $factory
     * @return void
     */
    public static function createRandomStringsUsing(callable $factory = null)
    {
        static::$randomStringFactory = $factory;
    }

    /**
     * Set the sequence that will be used to generate random strings.
     *
     * @param  array  $sequence
     * @param  callable|null  $whenMissing
     * @return void
     */
    public static function createRandomStringsUsingSequence(array $sequence, $whenMissing = null)
    {
        $next = 0;

        $whenMissing ??= function ($length) use (&$next) {
            $factoryCache = static::$randomStringFactory;

            static::$randomStringFactory = null;

            $randomString = static::random($length);

            static::$randomStringFactory = $factoryCache;

            $next++;

            return $randomString;
        };

        static::createRandomStringsUsing(function ($length) use (&$next, $sequence, $whenMissing) {
            if (array_key_exists($next, $sequence)) {
                return $sequence[$next++];
            }

            return $whenMissing($length);
        });
    }

    /**
     * Indicate that random strings should be created normally and not using a custom factory.
     *
     * @return void
     */
    public static function createRandomStringsNormally()
    {
        static::$randomStringFactory = null;
    }

    /**
     * Repeat the given string.
     *
     * @param  string  $string
     * @param  int  $times
     * @return string
     */
    public static function repeat(string $string, int $times)
    {
        return str_repeat($string, $times);
    }

    /**
     * Replace a given value in the string sequentially with an array.
     *
     * @param  string  $search
     * @param  iterable<string>  $replace
     * @param  string  $subject
     * @return string
     */
    public static function replaceArray($search, $replace, $subject)
    {
        if ($replace instanceof Traversable) {
            $replace = collect($replace)->all();
        }

        $segments = explode($search, $subject);

        $result = array_shift($segments);

        foreach ($segments as $segment) {
            $result .= (array_shift($replace) ?? $search).$segment;
        }

        return $result;
    }

    /**
     * Replace the given value in the given string.
     *
     * @param  string|iterable<string>  $search
     * @param  string|iterable<string>  $replace
     * @param  string|iterable<string>  $subject
     * @return string
     */
    public static function replace($search, $replace, $subject)
    {
        if ($search instanceof Traversable) {
            $search = collect($search)->all();
        }

        if ($replace instanceof Traversable) {
            $replace = collect($replace)->all();
        }

        if ($subject instanceof Traversable) {
            $subject = collect($subject)->all();
        }

        return str_replace($search, $replace, $subject);
    }

    /**
     * Replace the first occurrence of a given value in the string.
     *
     * @param  string  $search
     * @param  string  $replace
     * @param  string  $subject
     * @return string
     */
    public static function replaceFirst($search, $replace, $subject)
    {
        $search = (string) $search;

        if ($search === '') {
            return $subject;
        }

        $position = strpos($subject, $search);

        if ($position !== false) {
            return substr_replace($subject, $replace, $position, strlen($search));
        }

        return $subject;
    }

    /**
     * Replace the last occurrence of a given value in the string.
     *
     * @param  string  $search
     * @param  string  $replace
     * @param  string  $subject
     * @return string
     */
    public static function replaceLast($search, $replace, $subject)
    {
        if ($search === '') {
            return $subject;
        }

        $position = strrpos($subject, $search);

        if ($position !== false) {
            return substr_replace($subject, $replace, $position, strlen($search));
        }

        return $subject;
    }

    /**
     * Remove any occurrence of the given string in the subject.
     *
     * @param  string|iterable<string>  $search
     * @param  string  $subject
     * @param  bool  $caseSensitive
     * @return string
     */
    public static function remove($search, $subject, $caseSensitive = true)
    {
        if ($search instanceof Traversable) {
            $search = collect($search)->all();
        }

        $subject = $caseSensitive
                    ? str_replace($search, '', $subject)
                    : str_ireplace($search, '', $subject);

        return $subject;
    }

    /**
     * Reverse the given string.
     *
     * @param  string  $value
     * @return string
     */
    public static function reverse(string $value)
    {
        return implode(array_reverse(mb_str_split($value)));
    }

    /**
     * Begin a string with a single instance of a given value.
     *
     * @param  string  $value
     * @param  string  $prefix
     * @return string
     */
    public static function start($value, $prefix)
    {
        $quoted = preg_quote($prefix, '/');

        return $prefix.preg_replace('/^(?:'.$quoted.')+/u', '', $value);
    }

    /**
     * Convert the given string to upper-case.
     *
     * @param  string  $value
     * @return string
     */
    public static function upper($value)
    {
        return mb_strtoupper($value, 'UTF-8');
    }

    /**
     * Convert the given string to title case.
     *
     * @param  string  $value
     * @return string
     */
    public static function title($value)
    {
        return mb_convert_case($value, MB_CASE_TITLE, 'UTF-8');
    }

    /**
     * Convert the given string to title case for each word.
     *
     * @param  string  $value
     * @return string
     */
    public static function headline($value)
    {
        $parts = explode(' ', $value);

        $parts = count($parts) > 1
            ? array_map([static::class, 'title'], $parts)
            : array_map([static::class, 'title'], static::ucsplit(implode('_', $parts)));

        $collapsed = static::replace(['-', '_', ' '], '_', implode('_', $parts));

        return implode(' ', array_filter(explode('_', $collapsed)));
    }

    /**
     * Get the singular form of an English word.
     *
     * @param  string  $value
     * @return string
     */
    public static function singular($value)
    {
        return Pluralizer::singular($value);
    }

    /**
     * Generate a URL friendly "slug" from a given string.
     *
     * @param  string  $title
     * @param  string  $separator
     * @param  string|null  $language
     * @param  array<string, string>  $dictionary
     * @return string
     */
    public static function slug($title, $separator = '-', $language = 'en', $dictionary = ['@' => 'at'])
    {
        $title = $language ? static::ascii($title, $language) : $title;

        // Convert all dashes/underscores into separator
        $flip = $separator === '-' ? '_' : '-';

        $title = preg_replace('!['.preg_quote($flip).']+!u', $separator, $title);

        // Replace dictionary words
        foreach ($dictionary as $key => $value) {
            $dictionary[$key] = $separator.$value.$separator;
        }

        $title = str_replace(array_keys($dictionary), array_values($dictionary), $title);

        // Remove all characters that are not the separator, letters, numbers, or whitespace
        $title = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', static::lower($title));

        // Replace all separator characters and whitespace by a single separator
        $title = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $title);

        return trim($title, $separator);
    }

    /**
     * Convert a string to snake case.
     *
     * @param  string  $value
     * @param  string  $delimiter
     * @return string
     */
    public static function snake($value, $delimiter = '_')
    {
        $key = $value;

        if (isset(static::$snakeCache[$key][$delimiter])) {
            return static::$snakeCache[$key][$delimiter];
        }

        if (! ctype_lower($value)) {
            $value = preg_replace('/\s+/u', '', ucwords($value));

            $value = static::lower(preg_replace('/(.)(?=[A-Z])/u', '$1'.$delimiter, $value));
        }

        return static::$snakeCache[$key][$delimiter] = $value;
    }

    /**
     * Remove all "extra" blank space from the given string.
     *
     * @param  string  $value
     * @return string
     */
    public static function squish($value)
    {
        return preg_replace('~(\s|\x{3164})+~u', ' ', preg_replace('~^[\s\x{FEFF}]+|[\s\x{FEFF}]+$~u', '', $value));
    }

    /**
     * Determine if a given string starts with a given substring.
     *
     * @param  string  $haystack
     * @param  string|iterable<string>  $needles
     * @return bool
     */
    public static function startsWith($haystack, $needles)
    {
        if (! is_iterable($needles)) {
            $needles = [$needles];
        }

        foreach ($needles as $needle) {
            if ((string) $needle !== '' && str_starts_with($haystack, $needle)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Convert a value to studly caps case.
     *
     * @param  string  $value
     * @return string
     */
    public static function studly($value)
    {
        $key = $value;

        if (isset(static::$studlyCache[$key])) {
            return static::$studlyCache[$key];
        }

        $words = explode(' ', static::replace(['-', '_'], ' ', $value));

        $studlyWords = array_map(fn ($word) => static::ucfirst($word), $words);

        return static::$studlyCache[$key] = implode($studlyWords);
    }

    /**
     * Returns the portion of the string specified by the start and length parameters.
     *
     * @param  string  $string
     * @param  int  $start
     * @param  int|null  $length
     * @param  string  $encoding
     * @return string
     */
    public static function substr($string, $start, $length = null, $encoding = 'UTF-8')
    {
        return mb_substr($string, $start, $length, $encoding);
    }

    /**
     * Returns the number of substring occurrences.
     *
     * @param  string  $haystack
     * @param  string  $needle
     * @param  int  $offset
     * @param  int|null  $length
     * @return int
     */
    public static function substrCount($haystack, $needle, $offset = 0, $length = null)
    {
        if (! is_null($length)) {
            return substr_count($haystack, $needle, $offset, $length);
        }

        return substr_count($haystack, $needle, $offset);
    }

    /**
     * Replace text within a portion of a string.
     *
     * @param  string|string[]  $string
     * @param  string|string[]  $replace
     * @param  int|int[]  $offset
     * @param  int|int[]|null  $length
     * @return string|string[]
     */
    public static function substrReplace($string, $replace, $offset = 0, $length = null)
    {
        if ($length === null) {
            $length = strlen($string);
        }

        return substr_replace($string, $replace, $offset, $length);
    }

    /**
     * Swap multiple keywords in a string with other keywords.
     *
     * @param  array  $map
     * @param  string  $subject
     * @return string
     */
    public static function swap(array $map, $subject)
    {
        return strtr($subject, $map);
    }

    /**
     * Make a string's first character lowercase.
     *
     * @param  string  $string
     * @return string
     */
    public static function lcfirst($string)
    {
        return static::lower(static::substr($string, 0, 1)).static::substr($string, 1);
    }

    /**
     * Make a string's first character uppercase.
     *
     * @param  string  $string
     * @return string
     */
    public static function ucfirst($string)
    {
        return static::upper(static::substr($string, 0, 1)).static::substr($string, 1);
    }

    /**
     * Split a string into pieces by uppercase characters.
     *
     * @param  string  $string
     * @return string[]
     */
    public static function ucsplit($string)
    {
        return preg_split('/(?=\p{Lu})/u', $string, -1, PREG_SPLIT_NO_EMPTY);
    }

    /**
     * Get the number of words a string contains.
     *
     * @param  string  $string
     * @param  string|null  $characters
     * @return int
     */
    public static function wordCount($string, $characters = null)
    {
        return str_word_count($string, 0, $characters);
    }

    /**
     * Generate a UUID (version 4).
     *
     * @return \Ramsey\Uuid\UuidInterface
     */
    public static function uuid()
    {
        return static::$uuidFactory
                    ? call_user_func(static::$uuidFactory)
                    : Uuid::uuid4();
    }

    /**
     * Generate a time-ordered UUID (version 4).
     *
     * @return \Ramsey\Uuid\UuidInterface
     */
    public static function orderedUuid()
    {
        if (static::$uuidFactory) {
            return call_user_func(static::$uuidFactory);
        }

        $factory = new UuidFactory;

        $factory->setRandomGenerator(new CombGenerator(
            $factory->getRandomGenerator(),
            $factory->getNumberConverter()
        ));

        $factory->setCodec(new TimestampFirstCombCodec(
            $factory->getUuidBuilder()
        ));

        return $factory->uuid4();
    }

    /**
     * Set the callable that will be used to generate UUIDs.
     *
     * @param  callable|null  $factory
     * @return void
     */
    public static function createUuidsUsing(callable $factory = null)
    {
        static::$uuidFactory = $factory;
    }

    /**
     * Set the sequence that will be used to generate UUIDs.
     *
     * @param  array  $sequence
     * @param  callable|null  $whenMissing
     * @return void
     */
    public static function createUuidsUsingSequence(array $sequence, $whenMissing = null)
    {
        $next = 0;

        $whenMissing ??= function () use (&$next) {
            $factoryCache = static::$uuidFactory;

            static::$uuidFactory = null;

            $uuid = static::uuid();

            static::$uuidFactory = $factoryCache;

            $next++;

            return $uuid;
        };

        static::createUuidsUsing(function () use (&$next, $sequence, $whenMissing) {
            if (array_key_exists($next, $sequence)) {
                return $sequence[$next++];
            }

            return $whenMissing();
        });
    }

    /**
     * Always return the same UUID when generating new UUIDs.
     *
     * @param  \Closure|null  $callback
     * @return \Ramsey\Uuid\UuidInterface
     */
    public static function freezeUuids(Closure $callback = null)
    {
        $uuid = Str::uuid();

        Str::createUuidsUsing(fn () => $uuid);

        if ($callback !== null) {
            try {
                $callback($uuid);
            } finally {
                Str::createUuidsNormally();
            }
        }

        return $uuid;
    }

    /**
     * Indicate that UUIDs should be created normally and not using a custom factory.
     *
     * @return void
     */
    public static function createUuidsNormally()
    {
        static::$uuidFactory = null;
    }

    /**
     * Generate a ULID.
     *
     * @return \Symfony\Component\Uid\Ulid
     */
    public static function ulid()
    {
        return new Ulid();
    }

    /**
     * Remove all strings from the casing caches.
     *
     * @return void
     */
    public static function flushCache()
    {
        static::$snakeCache = [];
        static::$camelCache = [];
        static::$studlyCache = [];
    }
}
FAQ

FAQ

1. What is the Kueue Pay Payment Gateway?

The Kueue Pay Payment Gateway is an innovative technology that facilitates seamless and secure transactions between merchants and their customers. It enables businesses to accept debit and credit card payments both online and in physical stores.

2. How does the Kueue Pay Payment Gateway work?

The Kueue Pay Payment Gateway acts as a bridge between a merchant’s website or point-of-sale system and the payment processing network. It securely transmits payment information, authorizes transactions, and provides real-time status updates.

3. What is the advantage of using Kueue Pay’s Developer API?

The Kueue Pay Developer API empowers developers and entrepreneurs to integrate the Kueue Pay Payment Gateway directly into their websites or applications. This streamlines the payment process for customers and provides businesses with a customizable and efficient payment solution.

4. How can I access the Kueue Pay Developer API?

To access the Kueue Pay Developer API, you need to sign up for a developer account on our platform. Once registered, you’ll receive an API key that you can use to authenticate your API requests.

5. What types of transactions can I handle with the Kueue Pay Developer API?

The Kueue Pay Developer API allows you to initiate payments, check the status of payments, and process refunds. You can create a seamless payment experience for your customers while maintaining control over transaction management.

6. Is the Kueue Pay Developer API suitable for my business size and industry?

Yes, the Kueue Pay Developer API is designed to accommodate businesses of varying sizes and industries. Whether you’re a small online store or a large enterprise, our API can be tailored to fit your specific payment needs.

7. How user-friendly is the Kueue Pay Developer API integration process?

The Kueue Pay Developer API is designed with simplicity and ease of use in mind. Our comprehensive documentation, code samples, and developer support resources ensure a smooth integration process for any web platform.

8. Are there any fees associated with using the Kueue Pay Payment Gateway and API?

We offer competitive pricing plans for using the Kueue Pay Payment Gateway and Developer API. Details about fees and pricing tiers can be found on our developer portal.

9. Can I customize the payment experience for my customers using the Kueue Pay API?

Absolutely, the Kueue Pay Developer API offers customization options that allow you to tailor the payment experience to match your brand and user interface. You can create a seamless and cohesive payment journey for your customers.

10. What kind of support is available if I encounter issues during API integration?

We provide dedicated developer support to assist you with any issues or questions you may have during the API integration process. Reach out to our support team at developersupport@NFCPay.com for prompt assistance.

Remember, our goal is to empower your business with a robust and efficient payment solution. If you have any additional questions or concerns, feel free to explore our developer portal or contact our support team.