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<?php $bob = function($x, $y = 10){ return $x + $y; }; $functionReflection = new ReflectionFunction($bob); $parameters = $functionReflection->getParameters(); foreach($parameters as $param) { echo $param->name . ' '; echo intval($param->isOptional()) . ' '; echo $param->getDefaultValue(); echo "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
x 0 Fatal error: Uncaught ReflectionException: Internal error: Failed to retrieve the default value in /in/KJTbg:13 Stack trace: #0 /in/KJTbg(13): ReflectionParameter->getDefaultValue() #1 {main} thrown in /in/KJTbg on line 13
Process exited with code 255.

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