call jquery function in php code code example

Example 1: how to call js function from php

<?php
 if(your condition){
     echo "<script> window.onload = function() {
     yourJavascriptFunction(param1, param2);
 }; </script>";
?>

Example 2: call jquery function in php code

<?php if($_POST["action"] == "memberadd"){?>
	pop_up_box();   // jquery function
<?php } ?>