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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strlen(array(1)));
based on oWmZ0
Output for 5.3.0 - 7.2.0
Warning: strlen() expects parameter 1 to be string, array given in /in/7OkNf on line 3 NULL
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/7OkNf on line 3 int(5)