Php/docs/function.ctype-punct
ctype_punct
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
ctype_punct — Check for any printable character which is not whitespace or an alphanumeric character
Description
ctype_punct
( mixed $text
) : bool
Checks if all of the characters in the provided string,
text, are punctuation character.
Parameters
textThe tested string.
Note:
If an int between -128 and 255 inclusive is provided, it is interpreted as the ASCII value of a single character (negative values have 256 added in order to allow characters in the Extended ASCII range). Any other integer is interpreted as a string containing the decimal digits of the integer.
Return Values
Returns TRUE if every character in text
is printable, but neither letter, digit or blank, FALSE otherwise.
Examples
Example #1 A ctype_punct() example
<?php$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.
See Also
- ctype_cntrl() - Check for control character(s)
- ctype_graph() - Check for any printable character(s) except space
