Developer
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\CodeCleaner;
use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\Array_;
use PhpParser\Node\Expr\ArrayDimFetch;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\Variable;
use Psy\Exception\FatalErrorException;
/**
* Validate that only variables (and variable-like things) are passed by reference.
*/
class PassableByReferencePass extends CodeCleanerPass
{
const EXCEPTION_MESSAGE = 'Only variables can be passed by reference';
/**
* @throws FatalErrorException if non-variables are passed by reference
*
* @param Node $node
*
* @return int|Node|null Replacement node (or special return value)
*/
public function enterNode(Node $node)
{
// @todo support MethodCall and StaticCall as well.
if ($node instanceof FuncCall) {
// if function name is an expression or a variable, give it a pass for now.
if ($node->name instanceof Expr || $node->name instanceof Variable) {
return;
}
$name = (string) $node->name;
if ($name === 'array_multisort') {
return $this->validateArrayMultisort($node);
}
try {
$refl = new \ReflectionFunction($name);
} catch (\ReflectionException $e) {
// Well, we gave it a shot!
return;
}
foreach ($refl->getParameters() as $key => $param) {
if (\array_key_exists($key, $node->args)) {
$arg = $node->args[$key];
if ($param->isPassedByReference() && !$this->isPassableByReference($arg)) {
throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getStartLine());
}
}
}
}
}
private function isPassableByReference(Node $arg): bool
{
// Unpacked arrays can be passed by reference
if ($arg->value instanceof Array_) {
return $arg->unpack;
}
// FuncCall, MethodCall and StaticCall are all PHP _warnings_ not fatal errors, so we'll let
// PHP handle those ones :)
return $arg->value instanceof ClassConstFetch ||
$arg->value instanceof PropertyFetch ||
$arg->value instanceof Variable ||
$arg->value instanceof FuncCall ||
$arg->value instanceof MethodCall ||
$arg->value instanceof StaticCall ||
$arg->value instanceof ArrayDimFetch;
}
/**
* Because array_multisort has a problematic signature...
*
* The argument order is all sorts of wonky, and whether something is passed
* by reference or not depends on the values of the two arguments before it.
* We'll do a good faith attempt at validating this, but err on the side of
* permissive.
*
* This is why you don't design languages where core code and extensions can
* implement APIs that wouldn't be possible in userland code.
*
* @throws FatalErrorException for clearly invalid arguments
*
* @param Node $node
*/
private function validateArrayMultisort(Node $node)
{
$nonPassable = 2; // start with 2 because the first one has to be passable by reference
foreach ($node->args as $arg) {
if ($this->isPassableByReference($arg)) {
$nonPassable = 0;
} elseif (++$nonPassable > 2) {
// There can be *at most* two non-passable-by-reference args in a row. This is about
// as close as we can get to validating the arguments for this function :-/
throw new FatalErrorException(self::EXCEPTION_MESSAGE, 0, \E_ERROR, null, $node->getStartLine());
}
}
}
}
Developer
Get access token to initiates payment transaction.
| Parameter | Type | Comments |
|---|---|---|
| client_id | string | Enter merchant API client/primary key |
| secret_id | string | Enter merchant API secret key |
| env | string | Enter merchant API environment |
| merchant_id | string | Enter merchant API merchant id |
Request Example (guzzle)
<?php
require_once('vendor/autoload.php');
$client = new \GuzzleHttp\Client();
$response = $client->request('POST', $base_url. 'v1/generate-token', [
'headers' => [
'accept' => 'application/json',
'content-type' => 'application/json',
],
'form_params' => [
'client_id' => '$client_id',
'secret_id' => 'secret_id',
'env' => 'env',
'merchant_id' => 'merchant_id',
],
]);
echo $response->getBody();
**Response: SUCCESS (200 OK)**
{
"message": {
"success": [
"Successfully token is generated"
]
},
"data": {
"token":"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
IyZmQzNDY1IiwidGFnIjoiIn0=",
},
"type": "success"
}
**Response: ERROR (400 FAILED)**
{
"message": {
"error": [
"Invalid credentials."
]
},
"data": null,
"type": "error"
}