Bug #77112 [Opn]: tested on PHP <= 7.2.4

Edit report at https://bugs.php.net/bug.php?id=77112&edit=1 ID: 77112 User updated by: php at pawlowicz dot it Reported by: php at pawlowicz dot it -Summary: tested on PHP >= 7.2.4 +Summary: tested on PHP <= 7.2.4 Status: Open Type: Bug Package: PHP Language Specification Operating System: all PHP Version: 7.2.11 Block user comment: N Private report: N New Comment: php lower equal 7.2.4 Previous Comments: ------------------------------------------------------------------------ [2018-11-06 07:28:48] php at pawlowicz dot it Description: ------------ Substr returns "" on string_length + 1 instead of "false" Test script: --------------- <?php var_dump(substr("test", 3)); // "t" in PHP 5, "t" in PHP 7.* var_dump(substr("test1", 4)); // "1" in PHP 5, "1" in PHP 7.* // BUG START!! var_dump(substr("test", 4)); // false in PHP 5, "" in PHP 7.* var_dump(substr("test1", 5)); // false in PHP 5, "" in PHP 7.* // BUG END var_dump(substr("test", 5)); // false in PHP 5, false in PHP 7.* var_dump(substr("test1", 6)); // false in PHP 5, false in PHP 7.* Expected result: ---------------- var_dump(substr("test", 4)); // false var_dump(substr("test1", 5)); // false Actual result: -------------- var_dump(substr("test", 4)); // "" in PHP 7.* var_dump(substr("test1", 5)); // "" in PHP 7.* ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=77112&edit=1