IntlChar
PHP Manual

IntlChar::isWhitespace

(PHP 7)

IntlChar::isWhitespace — Check if code point is a whitespace character according to ICU

Description

public static bool IntlChar::isWhitespace ( mixed $codepoint )

Determines if the specified code point is a whitespace character according to ICU.

A character is considered to be a Java whitespace character if and only if it satisfies one of the following criteria:

Parameters

codepoint

The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

Return Values

Returns TRUE if codepoint is a whitespace character according to ICU, FALSE if not.

Examples

Example #1 Testing different code points

<?php
var_dump(IntlChar::iswhitespace("A"));
var_dump(IntlChar::iswhitespace(" "));
var_dump(IntlChar::iswhitespace("\n"));
var_dump(IntlChar::iswhitespace("\t"));
var_dump(IntlChar::iswhitespace("\u{00A0}"));
?>

The above example will output:

bool(false)
bool(true)
bool(true)
bool(true)
bool(false)

See Also

IntlChar
PHP Manual