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PHP : Function Reference : Character Type Functions : ctype_punct

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 )

Checks if all of the characters in the provided string, text, are punctuation character.

Parameters

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 423. A ctype_punct() example

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<?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:

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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()

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ctype_alnum
ctype_alpha
ctype_cntrl
ctype_digit
ctype_graph
ctype_lower
ctype_print
ctype_punct
ctype_space
ctype_upper
ctype_xdigit

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