35 lines
860 B
PHP
35 lines
860 B
PHP
<?php
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declare(strict_types=1);
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namespace Illuminate\Support;
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use Closure;
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use ReflectionFunction;
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trait RebindsCallbacksToSelf
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{
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/**
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* Binds the provided callback to the class instance.
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*
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* @throws \ReflectionException
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*/
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protected function bindCallbackToSelf(Closure $callback): ?Closure
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{
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$reflector = new ReflectionFunction($callback);
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// We only want to rebind anonymous functions.
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if ($reflector->isAnonymous()) {
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if ($reflector->isStatic()) {
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// Static functions are bound without $this.
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$callback = $callback->bindTo(null, static::class);
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} else {
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// Non-static functions are bound to $this.
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$callback = $callback->bindTo($this, static::class);
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}
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}
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return $callback;
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}
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}
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