note 83711 added to control-structures.foreach
| From: | php_manual at SPAMNONE dot jessemccarthy dot net | Date: | Sun, 08 Jun 2008 20:10:25 +0000 |
| Subject: | note 83711 added to control-structures.foreach | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-140249@lists.php.net to get a copy of this message | ||
In PHP 4, foreach is broken when used on an undefined array element (see http://bugs.php.net/bug.php?id=41169 ):
<?php
$example = array();
foreach ( $example[ 'element' ] as $value ) {
}
var_dump( $example );
?>
Expected output:
array(0) {
}
Actual output:
array(1) {
["element"]=>
NULL
}
I think this is probably the least painful workaround:
<?php
$example = array();
foreach ( (array) $example[ 'element' ] as $value ) {
}
var_dump( $example );
?>
Output:
array(0) {
}
----
Server IP: 69.147.83.197
Probable Submitter: 71.255.133.253
----
Manual Page -- http://www.php.net/manual/en/control-structures.foreach.php
Edit -- https://master.php.net/note/edit/83711
Del: integrated -- https://master.php.net/note/delete/83711/integrated
Del: useless -- https://master.php.net/note/delete/83711/useless
Del: bad code -- https://master.php.net/note/delete/83711/bad+code
Del: spam -- https://master.php.net/note/delete/83711/spam
Del: non-english -- https://master.php.net/note/delete/83711/non-english
Del: in docs -- https://master.php.net/note/delete/83711/in+docs
Del: other reasons-- https://master.php.net/note/delete/83711
Reject -- https://master.php.net/note/reject/83711
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