<?php
function check_int($i) {
if (preg_match('[^0-9]', $i)) {
return 0;
} else {
return 1;
}
}
function check_int1($i) {
return (strval((int)$i) === strval($i));
}
echo check_int1("1-0") ? "It's an int\n" : "It's not an int\n";
echo check_int("1-0") ? "It's an int\n" : "It's not an int\n";
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- It's not an int
It's an int
preferences:
222.84 ms | 405 KiB | 306 Q