PHP | IntlChar charType() Function

The IntlChar::charType() function is an inbuilt function in PHP which is used to get the general category value for a code point. This function returns the general category value for the code point.

Syntax:

int IntlChar::charType ( $codepoint )

Parameters: This function accepts a single parameter $codepoint which is mandatory. The $codepoint value is an integer values or character, which is encoded as a UTF-8 string.

Return Value: This function returns the general category content which are listed below:

• 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

Below programs illustrate the IntlChar::charType() function in PHP:

Program 1:

<?php

// PHP code to illustrate IntlChar::charType()
// function

// Input data is character type
var_dump(IntlChar::charType("A") ===
  IntlChar::CHAR_CATEGORY_UPPERCASE_LETTER);

// Input data is character type
var_dump(IntlChar::charType(".") ===
 IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION);

// Input data is character type
var_dump(IntlChar::charType("\t") ===
      IntlChar::CHAR_CATEGORY_CONTROL_CHAR);

// Input data is unicode character
var_dump(IntlChar::charType("\u{2603}") ===
      IntlChar::CHAR_CATEGORY_OTHER_SYMBOL);

// Input data is string type
var_dump(IntlChar::charType("ABC") ===
 IntlChar::CHAR_CATEGORY_OTHER_PUNCTUATION);

// Input data is character type
var_dump(IntlChar::charType("\n") ===
      IntlChar::CHAR_CATEGORY_CONTROL_CHAR);
?>

Output:

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

Program 2:

<?php

// PHP code to illustrate IntlChar::charType()
// function

// Input data is character type
var_dump(IntlChar::charType("A"));

// Input data is character type
var_dump(IntlChar::charType("."));

// Input data is character type
var_dump(IntlChar::charType("\t"));

// Input data is unicode character
var_dump(IntlChar::charType("\u{2603}"));

// Input data is string type
var_dump(IntlChar::charType("ABC"));

// Input data is character type
var_dump(IntlChar::charType("\n"));
?>

Output:

int(1)
int(23)
int(15)
int(27)
NULL
int(15)

Reference: http://php.net/manual/en/intlchar.chartype.php