ctype_space

(PHP 4 >= 4.0.4, PHP 5)

ctype_space — Check for whitespace character(s)

Description

bool ctype_space ( string $text )

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

Parameters

text

The tested string.

Return Values

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.

Examples

Example #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";
    }
}
?>

The above example will output:

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.

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