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# PHP Function ctype_graph()

## Syntax

ctype_graph ( $text );

## Definition and Usage

This function checks if all of the characters in the provided string, text, creates visible output.

## Paramters

Parameter | Description
--- | ---
text | Required. The tested string.

## Return Value

Returns TRUE if every character in text is printable and actually creates visible output (no white space), FALSE otherwise.

## Example

Try out following example:

    <?php
    $strings = array('asdf\n\r\t', 'arf12', 'LKA#@%.54');
    foreach ($strings as $testcase) {
     if (ctype_graph($testcase)) {
         echo "$testcase consists of all
                            (visibly) printable characters<br />";
     } else {
         echo "$testcase does not have all
                            (visibly) printable characters.<br />";
     }
    }
    ?>

This will produce following result:

    asdf\n\r\t does not have all (visibly) printable characters.
    arf12 consists of all (visibly) printable characters
    LKA#@%.54 consists of all (visibly) printable characters

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