ctype_graphctype_lower
(PHP 4 >= 4.0.4, PHP 5)
ctype_lower — Check 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 întroarse
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 afişa:
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.
Vedeţi de asemenea
- ctype_alpha() - Check for alphabetic character(s)
- ctype_upper() - Check for uppercase character(s)
- setlocale() - Set locale information
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