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run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); function containsString($str, $cont = array()) { $arr = ( ! is_array($cont)) ? array($cont) : $cont; // turn the string into an array foreach ($arr as $char) { if (strstr($str, $char)) { return true; } } return false; } function containsString_mlocati($str, $cont = array()) { $arr = is_array($cont) ? $cont : array($cont); foreach($arr as $item) { if(strstr($str, $item) !== false) { return true; } } return false; } $str = 'Number of items: 0'; echo "Usually works:\n"; $cont = 'not-existing'; var_dump(containsString($str, $cont)); var_dump(containsString_mlocati($str, $cont)); $cont = 'items'; var_dump(containsString($str, $cont)); var_dump(containsString_mlocati($str, $cont)); echo "\n\n"; echo "**BUT:\n"; $cont = '0'; var_dump(containsString($str, $cont)); var_dump(containsString_mlocati($str, $cont));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Usually works: bool(false) bool(false) bool(true) bool(true) **BUT: bool(false) bool(true)