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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array(1 => 'one', 2.5 => 'two', '3' => 'three', '4.5' => 'four', 'five' => 5); var_export(isset($array['3']));
Output for 4.3.0 - 7.1.0
true