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ctype_punct

Manual PHP
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ctype_punct

(PHP 4 >= 4.0.4, PHP 5)

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

Description

bool ctype_punct ( string text)

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

Exemplu 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";
    }
}
?>

This example will output :

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

See also ctype_cntrl() and ctype_graph().