如何判斷php mysqli擴展類是否開啟
php判斷mysqli擴展類是否開啟,源碼如下:
<?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>"; } ?>
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