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
-
text -
The 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
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.ctype-punct.php