CTYPE_PUNCT(3) 1 CTYPE_PUNCT(3)
ctype_punct - Check for any printable character which is not whitespace or an alphanumeric character
SYNOPSIS
bool ctype_punct (string $text)
DESCRIPTION
Checks if all of the characters in the provided string, $text, are punctuation character.
PARAMETERS
o $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(3) example
<?php
$strings = array('ABasdk!@!$#', '!@ # $', '*&$()');
foreach ($strings as $testcase) {
if (ctype_punct($testcase)) {
echo "The string $testcase consists of all punctuation.
";
} else {
echo "The string $testcase does not consist of all punctuation.
";
}
}
?>
The above example will output:
The string ABasdk!@!$# does not consist of all punctuation.
The string !@ # $ does not consist of all punctuation.
The string *&$() consists of all punctuation.
NOTES
Note
If an integer between -128 and 255 inclusive is provided, it is interpreted as the ASCII value of a single character (negative val-
ues have 256 added in order to allow characters in the Extended ASCII range). Any other integer is interpreted as a string contain-
ing the decimal digits of the integer.
SEE ALSO
ctype_cntrl(3), ctype_graph(3).
PHP Documentation Group CTYPE_PUNCT(3)