ctype_punct

(PHP 4 >= 4.0.4, PHP 5)

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

Leírás

bool ctype_punct ( string text )

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

Paraméterek

text

The tested string.

Visszatérési értékek

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

Példák

Példa 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";
    }
}
?>

A fenti példa a következő kimenetet adja:

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

Lásd még

ctype_cntrl()
ctype_graph()