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(PHP 7)
IntlChar::charType — Get the general category value for a code point
$codepoint
)Returns the general category value for the code point.
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}")
Returns the general category type, which may be one of the following constants:
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 Example #1 Testing different code points
<?php
var_dump ( IntlChar :: charType ( "A" ) === IntlChar :: CHAR_CATEGORY_UPPERCASE_LETTER );
var_dump ( IntlChar :: charType ( "." ) === IntlChar :: CHAR_CATEGORY_OTHER_PUNCTUATION );
var_dump ( IntlChar :: charType ( "\t" ) === IntlChar :: CHAR_CATEGORY_CONTROL_CHAR );
var_dump ( IntlChar :: charType ( "\u{2603}" ) === IntlChar :: CHAR_CATEGORY_OTHER_SYMBOL );
?> 以上例程会输出:
bool(true) bool(true) bool(true) bool(true)