RE: [PHP] odd behavior of stripos() with === operator *LAST POST*

From: Date: Tue, 21 Nov 2006 00:41:38 +0000
Subject: RE: [PHP] odd behavior of stripos() with === operator *LAST POST*
References: 1  Groups: php.general 
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On Mon, 2006-11-20 at 17:23 -0700, Michael wrote: > > in other words do not try to test for === TRUE, only test for !== FALSE > > and the warning in the manual ... > Warning > This function may return Boolean FALSE, but may also return a non-Boolean value > which evaluates to FALSE, such as 0 or "". Please read the section on Booleans > for more information. Use the === operator for testing the return value of this > function. > > should read "...use the !== operator for testing..." > > because if you use ===, you will NOT get the expected results if needle is > found in haystack at position 0. However, !== will always work correctly. That REALLY depends on what you want to test: <?php if( strpos( 'abcdef', 'abc' ) === 0 ) { echo <<<_ ;) _; } ?> Granted the context where they write === is quite ambiguous :) Cheers, Rob. -- .------------------------------------------------------------. | InterJinn Application Framework - http://www.interjinn.com | :------------------------------------------------------------: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `------------------------------------------------------------'

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