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Reference assignment operator in PHP to assign a reference?

PHP Server Side Programming Programming

Let’s say we have the following value −

$nextValue=100;

Let us take a new variable and assign a reference −

$currentValue = &$nextValue;

To assign a reference, use the reference assignment operator i.e. =&$anyVariableName in PHP.

The PHP code is as follows −

Example

<!DOCTYPE html>
<html>
<body>
<?php
   $nextValue=100;
   $currentValue = &$nextValue;
   echo "Next Value=",$nextValue,"<br>";
   echo "Current Value=",$currentValue,"<br>";
   $nextValue = 45000;
   echo "After changing the value of next will reflect the current value because of =&","<br>";
   echo "Next Value=",$nextValue,"<br>";
   echo "Current Value=",$currentValue;
?>
</body>
</html>

Output

Next Value=100
Current Value=100
After changing the value of next will reflect the current value because of =>
Next Value=45000
Current Value=45000
Updated on: 2026-03-11T22:50:52+05:30

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