ctype_graph -- Check for any printable character(s) except space
Description
bool ctype_graph ( string text)
Returns TRUE if every character in text is printable and actually creates visible output (no white space), FALSE otherwise.
Example 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"; } } ?>
This example will output :
The string 'string1' does not consist of all printable characters. The string 'string2' consists of all printable characters. The string 'string3' consists of all printable characters.
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