Check a binary Unicode property for a code point

# IntlChar::hasBinaryProperty

(PHP 7)

IntlChar::hasBinaryProperty — Check a binary Unicode property for a code point

### 説明

public static IntlChar::hasBinaryProperty ( mixed `$codepoint` , int `$property` ) : bool

Checks a binary Unicode property for a code point.

Unicode, especially in version 3.2, defines many more properties than the original set in UnicodeData.txt.

The properties APIs are intended to reflect Unicode properties as defined in the Unicode Character Database (UCD) and Unicode Technical Reports (UTR). For details about the properties see » http://www.unicode.org/ucd/. For names of Unicode properties see the UCD file PropertyAliases.txt.

### パラメータ

`codepoint`

  コードポイントを表す integer 型の値 (例: U+2603 SNOWMAN を表す 0x2603)、あるいは UTF-8 文字列としてエンコードされた文字 (例: "\u{2603}")。

`property`

  調べたい Unicode プロパティ (定数 IntlChar::PROPERTY_* を参照ください)。

### 返り値

Returns `TRUE` or `FALSE` according to the binary Unicode property value for `codepoint`. Also `FALSE` if `property` is out of bounds or if the Unicode version does not have data for the property at all, or not for this code point.

### 例

例1 さまざまなプロパティの例

`<?php
var_dump(IntlChar::hasBinaryProperty("A", IntlChar::PROPERTY_ALPHABETIC));
var_dump(IntlChar::hasBinaryProperty("A", IntlChar::PROPERTY_CASE_SENSITIVE));
var_dump(IntlChar::hasBinaryProperty("A", IntlChar::PROPERTY_BIDI_MIRRORED));
var_dump(IntlChar::hasBinaryProperty("[", IntlChar::PROPERTY_ALPHABETIC));
var_dump(IntlChar::hasBinaryProperty("[", IntlChar::PROPERTY_CASE_SENSITIVE));
var_dump(IntlChar::hasBinaryProperty("[", IntlChar::PROPERTY_BIDI_MIRRORED));
?>`

上の例の出力は以下となります。

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

### 参考

- IntlChar::getIntPropertyValue() - Get the value for a Unicode property for a code point
- IntlChar::getUnicodeVersion() - Get the Unicode version