#44821 [Com]: Accessing NULL as an Array does not produce error

ID: 44821 Comment by: florian dot ember at gmail dot com Reported By: mcarpent at zenwerx dot com Status: Open Bug Type: Arrays related Operating System: Windows XP PHP Version: 5.2.5 New Comment: http://php.net/language.types.string#language.types.string.substr "Note: Accessing variables of other types using [] or {} silently returns NULL." Typecasting only happens when you explicitly do it with (array). Previous Comments: ------------------------------------------------------------------------ [2008-04-24 16:50:49] mcarpent at zenwerx dot com At least this is my understanding from the Array documentation which states: Converting NULL to an array results in an empty array. If this is the case and the NULL is converted to an empty array, should PHP not display a notice for the undefined index. ------------------------------------------------------------------------ [2008-04-24 16:46:36] mcarpent at zenwerx dot com Description: ------------ Accessing a null value as an array does not produce an error or even a warning. It resolves to null and the script continues. Reproduce code: --------------- <?php $foo = null; echo "Foo: {$foo['bar']}"; $foo = array(); echo "Foo: {$foo['bar']}"; ?> Expected result: ---------------- Notice: Undefined index: bar in c:\test\test.php on line 4 Foo: Notice: Undefined index: bar in c:\test\test.php on line 7 Foo: Actual result: -------------- Foo: Notice: Undefined index: bar in c:\test\test.php on line 7 Foo: ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=44821&edit=1