ctype_digitctype_graph
(PHP 4 >= 4.0.4, PHP 5)
ctype_graph — Controlla ogni carattere stampabile tranne lo spazio
Descrizione
bool ctype_graph
( string $testo
)
Restituisce TRUE se ogni carattere di testo è stampabile e crea un output realmente visibile (senza spazi bianchi), FALSE in caso contrario.
Example #1 Esempio di uso di ctype_graph()
<?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";
}
}
?>
Questo esempio visualizzerà :
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.
Vedere anche ctype_alnum(), ctype_print() e ctype_punct().
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