Online PHP editor | output for FCD21

<?php function truncate($string, $width, $on = '[break]') { if (strlen($string) > $width && false !== ($p = strpos(wordwrap($string, $width, $on), $on))) { $string = sprintf('%.'. $p . 's', $string); } return $string; } var_dump(truncate('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ', 20)); /* string(36) "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" */ var_dump(truncate("Lorem Ipsum is simply dummy text of the printing and typesetting industry.", 20)); /* string(14) "Lorem Ipsum is" */ var_dump(truncate("Lorem Ipsum\nis simply dummy text of the printing and typesetting industry.", 20)); /* string(14) "Lorem Ipsum is" */ function truncate_strtok($string, $width) { return strtok(wordwrap($string, $width), "\n"); } var_dump(truncate_strtok("Lorem Ipsum\nis simply dummy text of the printing and typesetting industry.", 20)); /* string(11) "Lorem Ipsum" */ var_dump(truncate_strtok("Lorem Ipsum is simply dummy text of the printing and typesetting industry.", 20)); /* string(14) "Lorem Ipsum is" */ function truncate_wrap($string, $width) { if (strlen($string) > $width) { $string = wordwrap($string, $width); $string = substr($string, 0, strpos($string, "\n")); } return $string; } var_dump(truncate_wrap("Lorem Ipsum\nis simply dummy text of the printing and typesetting industry.", 20)); /* string(11) "Lorem Ipsum" */ var_dump(truncate_wrap("Lorem Ipsum is simply dummy text of the printing and typesetting industry.", 20)); /* string(14) "Lorem Ipsum is" */