3v4l.org

run code in 500+ PHP versions simultaneously
<?php $text = '"x", "x,y" , "x,y,h"'; echo preg_replace_callback('/"[^"]+"/', fn($m) => str_replace(',', '', $m[0]), $text);
Output for 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
"x", "xy" , "xyh"

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66.07 ms | 975 KiB | 4 Q