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IntlChar::isblank

Contents

(PHP 7)

IntlChar::isblank — Check if code point is a "blank" or "horizontal space" character

Description

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

Determines whether the specified code point is a "blank" or "horizontal space", a character that visibly separates words on a line.

The following are equivalent definitions:

  • TRUE for Unicode White_Space characters except for "vertical space controls" where "vertical space controls" are the following characters: U+000A (LF) U+000B (VT) U+000C (FF) U+000D (CR) U+0085 (NEL) U+2028 (LS) U+2029 (PS)
  • TRUE for U+0009 (TAB) and characters with general category "Zs" (space separators) except Zero Width Space (ZWSP, U+200B).

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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}")

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Return Values

Returns TRUE if codepoint is either a "blank" or "horizontal space" character, FALSE if not.

PHP: IntlChar::isblank - Manual Home of Manuel PHP  Contents Haut

Examples

Example #1 Testing different code points

<?php
var_dump(IntlChar::isblank("A"));
var_dump(IntlChar::isblank(" "));
var_dump(IntlChar::isblank("\t"));
?>

The above example will output:

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

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See Also

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