<?php
function is_str_lowercase($str1)
{
for ($sc = 0; $sc < strlen($str1); $sc++) {
if (ord($str1[$sc]) >= ord('A') &&
ord($str1[$sc]) <= ord('Z')) {
return false;
}
}
return true;
}
var_dump(is_str_lowercase('abc def ghi'));
var_dump(is_str_lowercase('abc dEf ghi'));
?>
- 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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
- bool(true)
bool(false)
preferences:
271.25 ms | 405 KiB | 368 Q