如何使用jQuery ajax调用PHP函数？

如何使用jQuery ajax调用PHP函数？

在PHP中

<?php// create a list of approved function calls$approved_functions = array('sendForm','fn2');// check the $_GET['function'] and see if it matches an approved functionif(in_array($_GET['function'], $approved_functions)){    // call the approved function    $_GET['function']();}function sendForm(){    //save form}function fn2(){ //do something}

在AJAX中

// specify which function to callurl: "myfunctions.php?function=sendForm",