ctype_punct

PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
ctype_punct - Check for any printable character which is not whitespace or an alphanumeric character
Manual
Code Examples

Example #1 A ctype_punct example

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

Character type checking Functions

Most used PHP functions