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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(); $a[] = array('1',null); $a[] = array('1','2'); $a[] = array('2',null); $a[] = array('2','2'); $a[] = array('1',null); $a[] = array('2','2'); print_r(array_map("unserialize", array_unique(array_map("serialize", $a)));
Output for 5.3.0 - 5.4.27
Parse error: syntax error, unexpected ';' in /in/dVit6 on line 11
Process exited with code 255.