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run code in 150+ php & hhvm versions
Bugs & Features
<?php $cl = 'strpos'; var_dump(is_callable($cl)); var_dump(is_callable($cl,true)); var_dump($cl instanceof Closure);
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true) bool(true) bool(false)
Output for 5.0.0 - 5.0.5
bool(true) bool(true) Fatal error: Class 'Closure' not found in /in/nJJIN on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/nJJIN on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/nJJIN on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nJJIN on line 7
Process exited with code 255.