3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = " line 1 line 2 line 3\r line 4 "; $str_cleared = join("\n", array_map('trim', explode("\n", $str))); var_dump($str); var_dump($str_cleared);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(50) " line 1 line 2 line 3 line 4 " string(29) " line 1 line 2 line 3 line 4 "

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133.89 ms | 407 KiB | 5 Q