ctype_graph
(PHP 4 >= 4.0.4, PHP 5)
ctype_graph -- Check for any printable character(s) except space
Beskrivelse
bool
ctype_graph ( string text )
Checks if all of the characters in the provided string,
text, creates visible output.
Returneringsværdier
Returns TRUE if every character in text is
printable and actually creates visible output (no white space), FALSE
otherwise.
Eksempler
Eksempel 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"; } } ?>
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Ovenstående eksempel vil udskrive: 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. |
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