note 50275 added to function.mb-substr
| From: | drraf at tlen dot pl | Date: | Wed, 23 Feb 2005 14:44:01 +0000 |
| Subject: | note 50275 added to function.mb-substr | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-85438@lists.php.net to get a copy of this message | ||
Note: If borders are out of string - mb_string() returns empty _string_, when function substr()
returns _boolean_ false in this case.
Keep this in mind when using "===" comparisions.
Example code:
<?php
var_dump( substr( 'abc', 5, 2 ) ); // returns "false"
var_dump( mb_substr( 'abc', 5, 2 ) ); // returns ""
?>
It's especially confusing when using mbstring with function overloading turned on.
----
Manual Page -- http://www.php.net/manual/en/function.mb-substr.php
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