leilukin-tumbleblog/includes/lib/Twig/Util/ReflectionCallable.php

89 lines
2.7 KiB
PHP

<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Util;
/**
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
final class ReflectionCallable
{
private $reflector;
private $callable = null;
private $name;
public function __construct($callable, string $debugType = 'unknown', string $debugName = 'unknown')
{
if (\is_string($callable) && false !== $pos = strpos($callable, '::')) {
$callable = [substr($callable, 0, $pos), substr($callable, 2 + $pos)];
}
if (\is_array($callable) && method_exists($callable[0], $callable[1])) {
$this->reflector = $r = new \ReflectionMethod($callable[0], $callable[1]);
$this->callable = $callable;
$this->name = $r->class.'::'.$r->name;
return;
}
$checkVisibility = $callable instanceof \Closure;
try {
$closure = \Closure::fromCallable($callable);
} catch (\TypeError $e) {
throw new \LogicException(\sprintf('Callback for %s "%s" is not callable in the current scope.', $debugType, $debugName), 0, $e);
}
$this->reflector = $r = new \ReflectionFunction($closure);
if (str_contains($r->name, '{closure')) {
$this->callable = $callable;
$this->name = 'Closure';
return;
}
if ($object = $r->getClosureThis()) {
$callable = [$object, $r->name];
$this->name = get_debug_type($object).'::'.$r->name;
} elseif (\PHP_VERSION_ID >= 80111 && $class = $r->getClosureCalledClass()) {
$callable = [$class->name, $r->name];
$this->name = $class->name.'::'.$r->name;
} elseif (\PHP_VERSION_ID < 80111 && $class = $r->getClosureScopeClass()) {
$callable = [\is_array($callable) ? $callable[0] : $class->name, $r->name];
$this->name = (\is_array($callable) ? $callable[0] : $class->name).'::'.$r->name;
} else {
$callable = $this->name = $r->name;
}
if ($checkVisibility && \is_array($callable) && method_exists(...$callable) && !(new \ReflectionMethod(...$callable))->isPublic()) {
$callable = $r->getClosure();
}
$this->callable = $callable;
}
public function getReflector(): \ReflectionFunctionAbstract
{
return $this->reflector;
}
public function getCallable()
{
return $this->callable;
}
public function getName(): string
{
return $this->name;
}
}