jt2k · December 31, 2015 09:09 · jt2k · Dec 14, 2013
diff --git a/why.php b/why.php
 <?php
 $array = array(0,1,2,3);

 foreach ($array as &$val) {
    $val = $val + 1;
 }
 print_r($array);

 foreach ($array as $foo) {
    echo $foo;
 }
 echo "\n";

 foreach ($array as $val) {
    echo $val;
 }
 echo "\n";

 /* Output:

 Array
 (
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
 )
 1234
 1233
   ^ ?????

 */
	<?php
	$array = array(0,1,2,3);

	foreach ($array as &$val) {
	$val = $val + 1;
	}
	print_r($array);

	foreach ($array as $foo) {
	echo $foo;
	}
	echo "\n";

	foreach ($array as $val) {
	echo $val;
	}
	echo "\n";

	/* Output:

	Array
	(
	[0] => 1
	[1] => 2
	[2] => 3
	[3] => 4
	)
	1234
	1233
	^ ?????

	*/