3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mediaapi_filter_underscoretocamelcase($string) { return array_walk(explode('_', $string), function (&$item) { $item = ucfirst($item); }); } echo mediaapi_filter_underscoretocamelcase(franz_deleon);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "franz_deleon" in /in/vDFt8:10 Stack trace: #0 {main} thrown in /in/vDFt8 on line 10
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: Use of undefined constant franz_deleon - assumed 'franz_deleon' (this will throw an Error in a future version of PHP) in /in/vDFt8 on line 10 Notice: Only variables should be passed by reference in /in/vDFt8 on line 5 1
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant franz_deleon - assumed 'franz_deleon' (this will throw an Error in a future version of PHP) in /in/vDFt8 on line 10 1
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant franz_deleon - assumed 'franz_deleon' in /in/vDFt8 on line 10 Notice: Only variables should be passed by reference in /in/vDFt8 on line 5 1
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Notice: Use of undefined constant franz_deleon - assumed 'franz_deleon' in /in/vDFt8 on line 10 Strict Standards: Only variables should be passed by reference in /in/vDFt8 on line 5 1
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/vDFt8 on line 5
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/vDFt8 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vDFt8 on line 5
Process exited with code 255.

preferences:
234.78 ms | 401 KiB | 385 Q