<?php
$input = 'Lorem Ipsum is simply dummy text of the printing industry.';
$except = array('and', 'the', 'text', 'simply');
preg_match_all('/(?<match>\w{3,}+)/', $input, $matches, PREG_PATTERN_ORDER);
print_r(array_diff($matches['match'], $except));
Array
(
[0] => Lorem
[1] => Ipsum
[3] => dummy
[6] => printing
[7] => industry
)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Array
(
[0] => Lorem
[1] => Ipsum
[3] => dummy
[6] => printing
[7] => industry
)