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ctype_print

(PHP 4 >= 4.0.4, PHP 5)

ctype_print — Check for printable character(s)

Descrierea

bool ctype_print ( string $text )

Checks if all of the characters in the provided string, text , are printable.

Parametri

text

The tested string.

Valorile întroarse

Returns TRUE if every character in text will actually create output (including blanks). Returns FALSE if text contains control characters or characters that do not have any output or control function at all.

Exemple

Example#1 A ctype_print() example

<?php
$strings 
= array('string1' => "asdf\n\r\t"'string2' => 'arf12''string3' => 'LKA#@%.54');
foreach (
$strings as $name => $testcase) {
    if (
ctype_print($testcase)) {
        echo 
"The string '$name' consists of all printable characters.\n";
    } else {
        echo 
"The string '$name' does not consist of all printable characters.\n";
    }
}
?>

Exemplul de mai sus va afişa:

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.