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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:
<?php $a = 1; function b(&$c) { $c++; return $c; } $d=b($a); $d++; echo($a); ?>
Output: 2
Example 2:
<?php $a = 1; function &b(&$c) { $c++; return $c; } $d=&b($a); $d++; echo($a); ?>
Output: 3
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I hope this article will be helpful to everyone in PHP programming.