04c04-1.php

介绍PHP5的给类型函数应用

<?php
// Create a variable
$pet = 'Wiley';

// Now create a reference to it:
$petref = &$pet;

// Echo out the value of $pet : 'Wiley'
echo "<p>{$pet}</p>";

// Now change the value via the reference
$petref = 'Mimi-ow';

// And echo it out again : 'Mimi-ow'
echo "<p>{$pet}</p>";
?>