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Last updated: Sat, 27 Jan 2007

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# ctype_graph

(PHP 4 >= 4.0.4, PHP 5)

ctype_graph -- Check for any printable character(s) except space

## Описание

bool ctype_graph ( string text )

Checks if all of the characters in the provided string, `text`, creates visible output.

## Список параметров

`text`

  The tested string.

## Возвращаемые значения

Returns `TRUE` if every character in `text` is printable and actually creates visible output (no white space), `FALSE` otherwise.

## Примеры

Пример 1. A ctype_graph() example

`<?php
$strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54');
foreach ($strings as $name => $testcase) {
if (ctype_graph($testcase)) {
echo "The string '$name' consists of all (visibly) printable characters.\n";
} else {
echo "The string '$name' does not consist of all (visibly) printable characters.\n";
}
}
?>`

Результат выполнения данного примера:

    The string 'string1' does not consist of all (visibly) printable characters.
    The string 'string2' consists of all (visibly) printable characters.
    The string 'string3' consists of all (visibly) printable characters.

## Смотрите также

ctype_alnum()
ctype_print()
ctype_punct()

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ctype_lower ctype_digit

Last updated: Sat, 27 Jan 2007
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