ctype_punct
PHP function
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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
Check for any printable character which is not whitespace or an alphanumeric character
Description
ctype_punct(mixed $text): bool
Checks if all of the characters in the provided string, text, are punctuation character.
Parameters
textThe tested string. Integer Non-string
Return Values
Returns true if every character in text is printable, but neither letter, digit or blank, false otherwise. Empty-string
Examples
A ctype_punct() example
php
<?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 $testcase does not consist of all punctuation.\n";
}
}
?>The above example will output:
output
The string ABasdk!@!$# does not consist of all punctuation.
The string !@ # $ does not consist of all punctuation.
The string *&$() consists of all punctuation.