Funcții Ctype
PHP Manual

ctype_lower

(PHP 4 >= 4.0.4, PHP 5)

ctype_lowerCheck for lowercase character(s)

Descrierea

bool ctype_lower ( string $text )

Checks if all of the characters in the provided string, text, are lowercase letters.

Parametri

text

The tested string.

Valorile întoarse

Returns TRUE if every character in text is a lowercase letter in the current locale.

Exemple

Example #1 A ctype_lower() example (using the default locale)

<?php
$strings 
= array('aac123''qiutoas''QASsdks');
foreach (
$strings as $testcase) {
    if (
ctype_lower($testcase)) {
        echo 
"The string $testcase consists of all lowercase letters.\n";
    } else {
        echo 
"The string $testcase does not consist of all lowercase letters.\n";
    }
}
?>

Exemplul de mai sus va afișa:

The string aac123 does not consist of all lowercase letters.
The string qiutoas consists of all lowercase letters.
The string QASsdks does not consist of all lowercase letters.

Vedeți de asemenea


Funcții Ctype
PHP Manual