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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 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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.
Output for 5.4.7 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
x 0 Fatal error: Uncaught exception 'ReflectionException' with message '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.
Output for 5.3.0 - 5.3.16, 5.4.0 - 5.4.6
x 0 Fatal error: Uncaught exception 'ReflectionException' with message 'Parameter is not optional' 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.
Output for 5.3.17 - 5.3.29
x 0 Fatal error: Uncaught exception 'ReflectionException' with message 'Internal error' 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.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/KJTbg on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/KJTbg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/KJTbg on line 3
Process exited with code 255.
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