ctype_graph -- Check for any printable character(s) except space
Opis
bool ctype_graph ( string text )
Checks if all of the characters in the provided string,
text, creates visible output.
Parametry
text
The tested string.
Zwracane wartości
Returns TRUE if every character in text is
printable and actually creates visible output (no white space), FALSE
otherwise.
Przykłady
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.
