ctype_punct —
Check for any printable character which is not whitespace or an
alphanumeric character
Description
boolctype_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.