Doc #71892 [Fbk->NoF]: substr: returns false if len === start, not just len < start

Edit report at https://bugs.php.net/bug.php?id=71892&edit=1 ID: 71892 Updated by: php-bugs@lists.php.net Reported by: fredemmott@php.net Summary: substr: returns false if len === start, not just len < start -Status: Feedback +Status: No Feedback Type: Documentation Problem Package: Strings related Operating System: n/a PHP Version: 7.0.5RC1 Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2016-03-25 21:43:10] bwoebi@php.net Note the changelog section: 7.0.0 If string is equal to start characters long, an empty string will be returned. Prior to this version, FALSE was returned in this case. ------------------------------------------------------------------------ [2016-03-25 01:21:33] requinix@php.net Sure you're testing with PHP 7? https://3v4l.org/lNZ3N ------------------------------------------------------------------------ [2016-03-24 17:26:42] fredemmott@php.net The documentation does explicitly describe the empty string as a special case, however it isn't, given the last example, which is not documented. ------------------------------------------------------------------------ [2016-03-24 17:24:33] fredemmott@php.net Description: ------------ "If string is less than start characters long, FALSE will be returned." - 'less than' should be 'less than or equal to' Test script: --------------- <?php var_dump(substr('a', 0, 2)); // string(1) "a" var_dump(substr('', 0, 2)); // bool(false) var_dump(substr('a', 1)); // bool(false) Expected result: ---------------- Based on the documentation, string(1) "a", string(0) "", string(0) "" Actual result: -------------- string(1) "a" bool(false) bool(false) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=71892&edit=1