ctype_print

(PHP 4 >= 4.0.4, PHP 5)

ctype_print -- Check for printable character(s)

Descrição

bool ctype_print ( string text )

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

Parâmetros

text

The tested string.

Valores de retornado

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.

Exemplos

Exemplo 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";
    }
}
?>

O exemplo acima irá imprimir:

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.

Veja também

ctype_cntrl()
ctype_graph()
ctype_punct()