Passing Arguments and Returning Values by Reference : Return Value « Functions « PHP

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PHP » Functions » Return Value

Passing Arguments and Returning Values by Reference


 

<?php

function add2(&$number) {

    $number += 2;

    return $number;

}



$mynum = 5;

$output = add2($mynum);



$output++;

echo "<p>output = {$output}, mynum = {$mynum}</p>\n";



function &initialize() {

    $new = array_fill(0, 10, array_fill(0, 10, 0));

    return $new;

}



$newarray =& initialize();

echo print_r($newarray, true);

?>

Related examples in the same category

1.	Function return more than one value
2.	Math Function Library
3.	A Function That Returns a Value
4.	Function Requiring Two Arguments
5.	A Function That Returns a Value
6.	Functions that return true or false
7.	Returning a value from a function
8.	Returning an array from a function
9.	Returning a list an array from function
10.	Returning Values by Reference
11.	Returning a Value by Reference
12.	Returning by Reference
13.	Returning More Than One Value
14.	Multiple return statements in a function
15.	return multiple values from a function
16.	Using an array returned from a function
17.	User-Defined Function to Determine a Leap Year

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