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<?php $timeString = "2010-03-18 10:50:57"; echo preg_replace_callback( '~:\K(\d{2}).*~', fn($m) => $m[1] - $m[1] % 15 . ':00', $timeString ); echo "\n---\n"; echo preg_replace_callback( '~:\K(\d{2}).*~', function($m) {return $m[1] - $m[1] % 15 . ':00';}, $timeString );
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
2010-03-18 10:45:00 --- 2010-03-18 10:45:00
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/q7dGU on line 6
Process exited with code 255.
Output for 7.1.25 - 7.1.32, 7.2.0 - 7.2.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ',' or ')' in /in/q7dGU on line 6
Process exited with code 255.
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