- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
function testWordCount ($in) {
$is_match = preg_match('/^(\b[^\s]+\s*){2,40}$/', $in);
return (boolean)$is_match;
}
echo "1 words returns:\r\n";
var_dump(testWordCount('1'));
echo "\r\n";
echo "3 words returns:\r\n";
var_dump(testWordCount('1 2 3'));
echo "\r\n";
echo "40 words returns:\r\n";
var_dump(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'));
echo "\r\n";
echo "41 words returns:\r\n";
var_dump(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 41'));
echo "\r\n";