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ctype_punct
Check for any printable character which is not whitespace or an
alphanumeric character
(PHP 4 >= 4.0.4, PHP 5)
bool ctype_punct ( string text )
Return Values
Returns TRUE if every character in text
is printable, but neither letter, digit or blank, FALSE otherwise.
Examples
Example 423. 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() |
| ctype_graph() |