ctype_spacectype_upper
(PHP 4 >= 4.0.4, PHP 5)
ctype_upper — Check for uppercase character(s)
Popis
bool ctype_upper ( string $text )Checks if all of the characters in the provided string, text, are uppercase characters.
Seznam parametrů
- text
The tested string.
Návratové hodnoty
Returns TRUE if every character in text is an uppercase letter in the current locale.
Příklady
Příklad 314. 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";
}
}
?>
Výše uvedený příklad vypíše:
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.
Viz také
| ctype_alpha() |
| ctype_lower() |
| setlocale() |
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