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ctype_print

ctype_print

(PHP 4 >= 4.0.4, PHP 5)

ctype_print -- Check for printable character(s)

Popis

bool ctype_print ( string text )

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

Seznam parametrů

text

The tested string.

Návratové hodnoty

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.

Příklady

Příklad 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";
    }
}
?>

Výše uvedený příklad vypíše:

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.