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Request #75977 Trim internal whitespace from string
Submitted: 2018-02-18 08:50 UTC Modified: 2018-02-19 12:08 UTC
Votes:2
Avg. Score:2.0 ± 1.0
Reproduced:1 of 2 (50.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: olafvdspek at gmail dot com Assigned:
Status: Suspended Package: Unknown/Other Function
PHP Version: Irrelevant OS:
Private report: No CVE-ID: None
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 [2018-02-18 08:50 UTC] 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

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 [2018-02-18 09:25 UTC] jhdxr@php.net 
what's the problem with
```
preg_replace('/\s+/', ' ', $str);
```
 [2018-02-18 13:22 UTC] olafvdspek at gmail dot com 
Readability / teachability maybe. http://php.net/trim got a dedicated function / name as well..
 [2018-02-19 12:08 UTC] cmb@php.net
-Status: Open +Status: Suspended
 [2018-02-19 12:08 UTC] cmb@php.net 
Adding yet another string function to ext/standard is certainly
not uncontroversial (at least I do not see sufficient benefit in
this case) – please, feel free to start the RFC process[1].  I'm
suspending this ticket for the time being.

[1] <https://wiki.php.net/rfc/howto>
 
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