简单教程
提交运行
代码编辑器：
<?php $people = array("Peter", "Joe", "Glenn", "Cleveland", 23); if (in_array("23", $people, TRUE)) { echo "Match found<br>"; } else { echo "Match not found<br>"; } if (in_array("Glenn",$people, TRUE)) { echo "Match found<br>"; } else { echo "Match not found<br>"; } if (in_array(23,$people, TRUE)) { echo "Match found<br>"; } else { echo "Match not found<br>"; }
运行结果：