如何判断php mysqli扩展类是否开启
2017-02-16 20:09:50
php
php高级版本都支持mysqli扩展类,但是默认情况下,mysqli扩展类是没有开启的,本文章向大家介绍php如何判断mysqli扩展类是否开启,需要的朋友可以参考一下
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如何判断php mysqli扩展类是否开启
php判断mysqli扩展类是否开启,源码如下:
<?php /* by http://www.manongjc.com/article/1206.html */ function mysqlinstalled (){ if (function_exists ("mysql_connect")){ return true; } else { return false; } } function mysqliinstalled (){ if (function_exists ("mysqli_connect")){ return true; } else { return false; } } if (mysqlinstalled()){ echo "<p>The mysql extension is installed.</p>"; } else { echo "<p>The mysql extension is not installed..</p>"; } if (mysqliinstalled()){ echo "<p>The mysqli extension is installed.</p>"; } else { echo "<p>The mysqli extension is not installed..</p>"; } ?> |