ctype_punct

(PHP 4 >= 4.0.4, PHP 5)

ctype_punct --  Check for any printable character which is not whitespace or an alphanumeric character

Beskrivelse

bool ctype_punct ( string text )

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

Parameterliste

text

The tested string.

Returneringsværdier

Returns TRUE if every character in text is printable, but neither letter, digit or blank, FALSE otherwise.

Eksempler

Eksempel 1. A ctype_punct() example

<?php
$strings
= array('ABasdk!@!$#', '!@ # $', '*&$()');
foreach (
$strings as $testcase) {
    if (
ctype_punct($testcase)) {
        echo
"The string $testcase consists of all punctuation.\n";
    } else {
        echo
"The string $testcase does not consist of all punctuation.\n";
    }
}
?>

Ovenstående eksempel vil udskrive:

The string ABasdk!@!$# does not consist of all punctuation.
The string !@ # $ does not consist of all punctuation.
The string *&$() consists of all punctuation.

Se også

ctype_cntrl()
ctype_graph()