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<?php $a = array(); $a[] = 1; $a[] = 2; $a[] = 3; usort($a); var_dump($a);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: usort() expects exactly 2 parameters, 1 given in /in/bt8ci on line 7 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 5.2.3 - 5.2.17
Warning: Wrong parameter count for usort() in /in/bt8ci on line 7 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 4.3.0 - 5.2.2
<br /> <b>Warning</b>: Wrong parameter count for usort() in <b>/in/bt8ci</b> on line <b>7</b><br /> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }