Simple Function Example in PHP

<?php 
function first () {
function second() {
echo 'I am  first function.';
}
echo 'I am  second function.<br/>';
} // here it must first you call function first()  then second()  function 
first(); // Print I am  second function 
second(); // Print I am  first function 
?>
This example use for handle to multiple Function In php

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