3v4l.org

run code in 300+ PHP versions simultaneously
<?php $longString = 'I like apple. You like oranges. We like fruit. I like meat, also.'; $maxLength = 18; var_export( preg_split("/.{0,{$maxLength}}\K(?:\s+|$)/s", $longString, 0, PREG_SPLIT_NO_EMPTY) );

preferences:
26.94 ms | 405 KiB | 5 Q