ctype_spacectype_upper
(PHP 4 >= 4.0.4, PHP 5)
ctype_upper — Check for uppercase character(s)
Descrierea
bool ctype_upper
( string $text
)
Checks if all of the characters in the provided string, text , are uppercase characters.
Parametri
- text
-
The tested string.
Valorile întroarse
Returns TRUE if every character in text is an uppercase letter in the current locale.
Exemple
Example #1 A ctype_upper() example (using the default locale)
<?php
$strings = array('AKLWC139', 'LMNSDO', 'akwSKWsm');
foreach ($strings as $testcase) {
if (ctype_upper($testcase)) {
echo "The string $testcase consists of all uppercase letters.\n";
} else {
echo "The string $testcase does not consist of all uppercase letters.\n";
}
}
?>
Exemplul de mai sus va afişa:
The string AKLWC139 does not consist of all uppercase letters. The string LMNSDO consists of all uppercase letters. The string akwSKWsm does not consist of all uppercase letters.
Vedeţi de asemenea
- ctype_alpha() - Check for alphabetic character(s)
- ctype_lower() - Check for lowercase character(s)
- setlocale() - Set locale information
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