ctype_punct --
Check for any printable character which is not whitespace or an
alphanumeric character
Description
bool ctype_punct ( string text )
Checks if all of the characters in the provided string,
text, are punctuation character.
Parameters
text
The tested string.
Return Values
Returns TRUE if every character in text
is printable, but neither letter, digit or blank, FALSE otherwise.
Examples
Example 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 $testcase does not consist of all punctuation.\n"; } } ?>
The above example will output:
The string ABasdk!@!$# does not consist of all punctuation.
The string !@ # $ does not consist of all punctuation.
The string *&$() consists of all punctuation.
