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PHP : Function Reference : Character Type Functions : ctype_graph

ctype_graph

Check for any printable character(s) except space (PHP 4 >= 4.0.4, PHP 5)
bool ctype_graph ( string text )

Checks if all of the characters in the provided string, text, creates visible output.

Parameters

text: The tested string.

Return Values

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

Examples

Example 420. A ctype_graph() example

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<?php

$strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54');

foreach ($strings as $name => $testcase) {

    if (ctype_graph($testcase)) {

        echo "The string '$name' consists of all (visibly) printable characters.\n";

    } else {

        echo "The string '$name' does not consist of all (visibly) printable characters.\n";

    }

}
?>

The above example will output:

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The string 'string1' does not consist of all (visibly) printable characters.

The string 'string2' consists of all (visibly) printable characters.

The string 'string3' consists of all (visibly) printable characters.

See Also

ctype_alnum()

ctype_print()

ctype_punct()

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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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