简单教程
提交运行
代码编辑器：
<?php $arr2 = array("pic1","pic2","pic10","pic01","pic100","pic20","pic30","pic200"); $arr1 = $arr2; echo "Standard string comparison"."<br>"; usort($arr1,"strcmp"); print_r($arr1); echo "<br>"; echo "Natural order string comparison<br>"; usort($arr2,"strnatcmp"); print_r($arr2);
运行结果：