& operator creates a reference : Variable Reference « Language Basics « PHP






  1. PHP
  2. Language Basics
  3. Variable Reference

& operator creates a reference

 
<?php

$a = 5;
$b = $a;
$a = 7;
echo "\$a = $a and \$b = $b\n";

$a = 5;
$b = &$a;
$a = 7;
echo "\$a = $a and \$b = $b\n";
?>








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