(PHP 4 >= 4.0.4, PHP 5)
ctype_graph — Check for any printable character(s) except space
Checks if all of the characters in the provided string, text, creates visible output.
The tested string.
Returns TRUE if every character in text is printable and actually creates visible output (no white space), FALSE otherwise.
Przykład #1 A ctype_graph() example
<?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";
}
}
?>
Powyższy przykład wyświetli:
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.