- preg_match: documentation ( source)
- print_r: documentation ( source)
<?php
function testWordCount ($in) {
$is_match = preg_match('/^(\b[^\s]+\s*){2,10}$/', $in);
return (boolean)$is_match;
}
echo ("Three words returns:\r\n".print_r(testWordCount('This is three'), true)."\r\n");
echo ("Fourty words returns:\r\n".print_r(testWordCount('1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40'), true)."\r\n");