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run code in 150+ php & hhvm versions
Bugs & Features
<?php class p { function call($cb) { var_dump(is_callable($cb),$cb()); } } class c extends p { protected function cb() { return "cb"; } function __construct() { parent::call(array($this, "cb")); } } $c = new c;
Output for 5.4.0 - 7.1.0
bool(true) string(2) "cb"
Output for 5.0.0 - 5.3.29
Fatal error: Function name must be a string in /in/H3HrB on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/H3HrB on line 9
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/H3HrB on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/H3HrB on line 9
Process exited with code 255.