Only named variables may be assigned by reference. : Variable Reference « Language Basics « PHP






  1. PHP
  2. Language Basics
  3. Variable Reference

Only named variables may be assigned by reference.

 
<?php
    $foo = 25;
    $bar = &$foo; // This is a valid assignment.
    
    function test() {
        return 25;
    }
    $bar = &test(); // Invalid.
?>








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