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Last updated: Sat, 27 Jan 2007

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# ctype_upper

(PHP 4 >= 4.0.4, PHP 5)

ctype_upper -- Check for uppercase character(s)

## Описание

bool ctype_upper ( string text )

Checks if all of the characters in the provided string, `text`, are uppercase characters.

## Список параметров

`text`

  The tested string.

## Возвращаемые значения

Returns `TRUE` if every character in `text` is an uppercase letter in the current locale.

## Примеры

Пример 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";
}
}
?>`

Результат выполнения данного примера:

    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.

## Смотрите также

ctype_alpha()
ctype_lower()
setlocale()

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Last updated: Sat, 27 Jan 2007
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