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run code in 150+ php & hhvm versions
Bugs & Features
<?php $r = array(); $rr = shuffle(clone $r); var_dump($rr);
based on ki7Mr
Output for 7.1.0
Fatal error: Only variables can be passed by reference in /in/1KEro on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.14
Fatal error: Uncaught Error: __clone method called on non-object in /in/1KEro:4 Stack trace: #0 {main} thrown in /in/1KEro on line 4
Process exited with code 255.
Output for 5.2.5 - 5.6.28
Fatal error: __clone method called on non-object in /in/1KEro on line 4
Process exited with code 255.
Output for 5.1.2 - 5.2.4
Warning: __clone method called on non-object in /in/1KEro on line 4 Strict Standards: Only variables should be passed by reference in /in/1KEro on line 4 Warning: shuffle() expects parameter 1 to be array, null given in /in/1KEro on line 4 bool(false)
Output for 5.0.0 - 5.1.1
Warning: __clone method called on non-object in /in/1KEro on line 4 Warning: shuffle() expects parameter 1 to be array, null given in /in/1KEro on line 4 bool(false)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/1KEro on line 4
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_VARIABLE in /in/1KEro on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/1KEro on line 4
Process exited with code 255.