Podręcznik PHP
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ctype_space

(PHP 4 >= 4.0.4, PHP 5)

ctype_space -- Check for whitespace character(s)

Opis

bool ctype_space ( string text )

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

Parametry

text

The tested string.

Zwracane wartości

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.

Przykłady

Przykład 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";
    }
}
?>

Powyższy przykład wyświetli:

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.

Patrz także

ctype_cntrl()
ctype_graph()
ctype_punct()

PoprzedniSpis treściNastępny
ctype_punctPoczątek rozdziałuctype_upper

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Generated: 2007-01-26 18:02:42