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ctype_space

ctype_space

(PHP 4 >= 4.0.4, PHP 5)

ctype_space -- Check for whitespace character(s)

Popis

bool ctype_space ( string text )

Checks if all of the characters in the provided string, text, creates whitespace.

Seznam parametrů

text

The tested string.

Návratové hodnoty

Returns TRUE if every character in text creates some sort of white space, FALSE otherwise. Besides the blank character this also includes tab, vertical tab, line feed, carriage return and form feed characters.

Příklady

Příklad 1. A ctype_space() example

<?php
$strings
= array('string1' => "\n\r\t", 'string2' => "\narf12", 'string3' => '\n\r\t');
foreach (
$strings as $name => $testcase) {
    if (
ctype_space($testcase)) {
        echo
"The string '$name' consists of all whitespace characters.\n";
    } else {
        echo
"The string '$name' does not consist of all whitespace characters.\n";
    }
}
?>

Výše uvedený příklad vypíše:

The string 'string1' consists of all whitespace characters.
The string 'string2' does not consist of all whitespace characters.
The string 'string3' does not consist of all whitespace characters.