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run code in 150+ php & hhvm versions
Bugs & Features
<?php function byref_function(&$a, &$b) { } $array = array(1, 2); call_user_func_array('byref_function', $array);
Output for 7.1.0
Warning: Parameter 1 to byref_function() expected to be a reference, value given in /in/cCFs0 on line 9 Warning: Parameter 2 to byref_function() expected to be a reference, value given in /in/cCFs0 on line 9
Output for 5.3.0 - 7.0.14
Warning: Parameter 1 to byref_function() expected to be a reference, value given in /in/cCFs0 on line 9
Output for 4.3.0 - 5.2.17