Using PHP

Accessing PHP function using Javascript <?php     function PHPFunction()     {         $str = "I am a PHP function";         return $str;     } ?> <script>     var Xmsg = '<?php $Xmsg = PHPFunction(); echo "$Xmsg" ?>';     document.write(Xmsg); </script>

Arrays (Declaring, Defining and Accessing) in PHP     Usage of arrays in PHP:     //Declaring Single dimention array     $single_dim = array("", "", "", "", "");     //Declaring Multi dimention array     $multi_dim = array(array("", "", "", "", ""));     //Defining/Assigning Single dimention array     $single_dim[0] = "Zero";     $single_dim[1] = "One";     $single_dim[2] = "Two";     $single_dim[3] = "Three";     $single_dim[4] = "Four";     //Defining/Assigning Multi dimention array     //Row1     $multi_dim[0][0] = "Zero";     $multi_dim[0][1] = "One";     $multi_dim[0][2] = "Two";     $multi_dim[0][3] = "Three";     $multi_dim[0][4] = "Four";     //Row2     $multi_dim[1][0] =...