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run code in 200+ php & hhvm versions
Bugs & Features
<?php $var = 'sa'; var_dump(empty($var)); $var = null; var_dump(empty($var)); $var = 1; var_dump(empty($var)); $var = 0; var_dump(empty($var)); $var = "sa"; var_dump(empty($var)); $var = false; var_dump(empty($var));
based on Ukj51
Output for 4.3.0 - 7.2.0
bool(false) bool(true) bool(false) bool(true) bool(false) bool(true)