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法律研究PHP 中的 IntlChar charType() 函数
IntlChar charType() 函数用于获取输入值的通用类别值。
语法
int IntlChar::charType (val)
参数
val − 一个整数或编码为 UTF-8 字符串的字符。
返回值
IntlChar charType() 函数返回以下通用类别内容：
IntlChar::CHAR_CATEGORY_UNASSIGNED
IntlChar::CHAR_CATEGORY_GENERAL_OTHER_TYPES
IntlChar::CHAR_CATEGORY_UPPERCASE_LETTER
IntlChar::CHAR_CATEGORY_LOWERCASE_LETTER
IntlChar::CHAR_CATEGORY_TITLECASE_LETTER
IntlChar::CHAR_CATEGORY_MODIFIER_LETTER
IntlChar::CHAR_CATEGORY_OTHER_LETTER
IntlChar::CHAR_CATEGORY_NON_SPACING_MARK
IntlChar::CHAR_CATEGORY_ENCLOSING_MARK
IntlChar::CHAR_CATEGORY_COMBINING_SPACING_MARK
IntlChar::CHAR_CATEGORY_DECIMAL_DIGIT_NUMBER
IntlChar::CHAR_CATEGORY_LETTER_NUMBER
IntlChar::CHAR_CATEGORY_OTHER_NUMBER
IntlChar::CHAR_CATEGORY_SPACE_SEPARATOR
IntlChar::CHAR_CATEGORY_LINE_SEPARATOR
IntlChar::CHAR_CATEGORY_PARAGRAPH_SEPARATOR
IntlChar::CHAR_CATEGORY_CONTROL_CHAR
IntlChar::CHAR_CATEGORY_FORMAT_CHAR
IntlChar::CHAR_CATEGORY_PRIVATE_USE_CHAR
IntlChar::CHAR_CATEGORY_SURROGATE
IntlChar::CHAR_CATEGORY_DASH_PUNCTUATION
IntlChar::CHAR_CATEGORY_START_PUNCTUATION
IntlChar::CHAR_CATEGORY_END_PUNCTUATION
IntlChar::CHAR_CATEGORY_CONNECTOR_PUNCTUATION
IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION
IntlChar::CHAR_CATEGORY_MATH_SYMBOL
IntlChar::CHAR_CATEGORY_CURRENCY_SYMBOL
IntlChar::CHAR_CATEGORY_MODIFIER_SYMBOL
IntlChar::CHAR_CATEGORY_OTHER_SYMBOL
IntlChar::CHAR_CATEGORY_INITIAL_PUNCTUATION
IntlChar::CHAR_CATEGORY_FINAL_PUNCTUATION
IntlChar::CHAR_CATEGORY_CHAR_CATEGORY_COUNT
示例
以下是一个示例：
<?php
var_dump(IntlChar::charType("n") === IntlChar::CHAR_CATEGORY_CONTROL_CHAR);
echo "<br>";
var_dump(IntlChar::charType("jkl") === IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION);
echo "<br>";
var_dump(IntlChar::charType("r") === IntlChar::CHAR_CATEGORY_CONTROL_CHAR);
echo "<br>";
var_dump(IntlChar::charType("Z") === IntlChar::CHAR_CATEGORY_UPPERCASE_LETTER);
echo "<br>";
var_dump(IntlChar::charType(".") === IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION);
echo "<br>";
?>输出
以下是输出：
bool(false) bool(false) bool(false) bool(true) bool(true)
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