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ctype_punct ctype_lower

Last updated: Sat, 27 Jan 2007

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# ctype_print

(PHP 4 >= 4.0.4, PHP 5)

ctype_print -- Check for printable character(s)

## Описание

bool ctype_print ( string text )

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

## Список параметров

`text`

  The tested string.

## Возвращаемые значения

Returns `TRUE` if every character in `text` will actually create output (including blanks). Returns `FALSE` if `text` contains control characters or characters that do not have any output or control function at all.

## Примеры

Пример 1. A ctype_print() example

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

Результат выполнения данного примера:

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

## Смотрите также

ctype_cntrl()
ctype_graph()
ctype_punct()

add a note User Contributed Notes
ctype_print
flatline at greyhat dot nl
03-Mar-2004 04:58
`It seems that this function does not recognize characters such as '�', '�', '�', '�' as printable.
Depends on your locale settings, in the default "C" locale they are
indeed not printable as it is 7bit ASCII based. (hartmut)`
add a note
ctype_punct ctype_lower

Last updated: Sat, 27 Jan 2007
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