Syntax
| ctype_lower ( $text ); |
Definition and Usage
Thsi function checkes if all of the characters in the provided string, text, are lowercase letters.
Paramters
| Parameter | Description |
|---|---|
| text | Required. The tested string. |
Return Value
Returns TRUE if every character in text is a lowercase letter in the current locale.
Example
Try out following example:
<?php
$strings = array('aac123', 'testing', "testin IS Done");
foreach ($strings as $testcase) {
if (ctype_lower($testcase)) {
echo "$testcase consists of all lowercase letters.<br />";
} else {
echo "$testcase does not have all lowercase letters.<br />";
}
}
?>
|
This will produce following result:
aac123 does not have all lowercase letters. testing consists of all lowercase letters. testin IS Done does not have all lowercase letters. |
No comments:
Post a Comment