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<?php $str = " Hi, my name is Petr"; echo preg_replace(array('/^\s+/', '/\s+/'), array('', ' '), $str) . "\n"; echo preg_replace('/(?<=^|\s)\s+/', '', $str);
Output for 7.1.26 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Hi, my name is Petr Hi, my name is Petr
preferences:
99.57 ms | 1480 KiB | 4 Q