3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = ['This is. a. test.', 'This is a. test.', 'This is. a test', 'This is a test', 'This. is. a. test.' ]; foreach ($strings as $string) { if (($dots = substr_count($string, '.')) >= 3) { echo "Yes, 3 or more dots ($string -> $dots)"; } else { echo "Nope, less than 3 dots ($string -> $dots)"; } echo "\n"; }
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Yes, 3 or more dots (This is. a. test. -> 3) Nope, less than 3 dots (This is a. test. -> 2) Nope, less than 3 dots (This is. a test -> 1) Nope, less than 3 dots (This is a test -> 0) Yes, 3 or more dots (This. is. a. test. -> 4)
preferences:
81.86 ms | 408 KiB | 5 Q