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run code in 150+ php & hhvm versions
Bugs & Features
<?php $different_values = array(); for($i=0; $i<10; $i++){ $different_values = uniqid('test-'); } var_dump( count(array_unique($different_values)) );
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: array_unique() expects parameter 1 to be array, string given in /in/cDrf6 on line 7 int(0)
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid operand type was used: expects array(s) in /in/cDrf6 on line 7 int(0)
Output for 4.3.2 - 5.2.17
Warning: array_unique(): The argument should be an array in /in/cDrf6 on line 7 int(1)
Output for 4.3.0 - 4.3.1
Warning: array_unique() [http://www.php.net/function.array-unique]: The argument should be an array in /in/cDrf6 on line 7 int(1)