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<?php function replace_spaces ($text) { function replacement ($matches) { return str_replace ($matches[1], ' ', '&nbsp;').' '; } return preg_replace_callback ('/( +) /', replacement, $text); } echo replace_spaces('hello world');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "replacement" in /in/RlHDG:7 Stack trace: #0 /in/RlHDG(10): replace_spaces('hello world') #1 {main} thrown in /in/RlHDG on line 7
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant replacement - assumed 'replacement' (this will throw an Error in a future version of PHP) in /in/RlHDG on line 7 hello world
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant replacement - assumed 'replacement' in /in/RlHDG on line 7 hello world
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354.54 ms | 404 KiB | 459 Q