Podręcznik PHP
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ctype_print

(PHP 4 >= 4.0.4, PHP 5)

ctype_print -- Check for printable character(s)

Opis

bool ctype_print ( string text )

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

Parametry

text

The tested string.

Zwracane wartości

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.

Przykłady

Przykład 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";
    }
}
?>

Powyższy przykład wyświetli:

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.

Patrz także

ctype_cntrl()
ctype_graph()
ctype_punct()

PoprzedniSpis treściNastępny
ctype_lowerPoczątek rozdziałuctype_punct

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Generated: 2007-01-26 18:02:42