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ctype_punct

ctype_punct

(PHP 4 >= 4.0.4, PHP 5)

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

Popis

bool ctype_punct ( string text )

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

Seznam parametrů

text

The tested string.

Návratové hodnoty

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

Příklady

Příklad 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";
    }
}
?>

Výše uvedený příklad vypíše:

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