PHP reference return usage example, php usage example_PHP tutorial

PHP reference return usage examples, php usage examples

The examples in this article describe the usage of PHP reference returns. Share it with everyone for your reference, the details are as follows:

Example 1:

<&#63;php
$a = 1;
function b(&$c)
{
　　$c++;
　　return $c;
}
$d=b($a);
$d++;
echo($a);
&#63;> 

Output: 2

Example 2:

<&#63;php
$a = 1;
function &b(&$c)
{
　　$c++;
　　return $c;
}
$d=&b($a);
$d++;
echo($a);
&#63;>

Output: 3

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I hope this article will be helpful to everyone in PHP programming.