Online PHP editor | refs for U6NUe

<pre><?php $var1 = 'ccc'; $var2 = 'ccc'; echo "separate variables\n"; debug_zval_dump($var1); echo "Copying variable just adds references to the same value\n"; $copy = $var1; debug_zval_dump($var1, $copy); echo "Using a reference adds references to the same value \n"; $reference =& $var2; debug_zval_dump($var2, $reference); echo "Using a copy and a reference of the same value actually creates a clone \n"; $reference2 =& $var1; debug_zval_dump($var1, $copy, $reference2);