Req #75977 [Opn]: Trim internal whitespace from string

Edit report at https://bugs.php.net/bug.php?id=75977&edit=1 ID: 75977 Updated by: jhdxr@php.net Reported by: olafvdspek at gmail dot com Summary: Trim internal whitespace from string Status: Open Type: Feature/Change Request Package: Unknown/Other Function PHP Version: Irrelevant Block user comment: N Private report: N New Comment: what's the problem with ``` preg_replace('/\s+/', ' ', $str); ``` Previous Comments: ------------------------------------------------------------------------ [2018-02-18 08:50:23] olafvdspek at gmail dot com Description: ------------ A function to trim / merge whitespace inside a string (so not just at the begin, end) would be nice to have and especially useful for single-line input. It should replace all sequences of 1 or more whitespace characters by a single space. Test script: --------------- echo trim_all('A B \t C \n D'); Expected result: ---------------- A B C D Actual result: -------------- A B \t C D ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75977&edit=1