The IntlChar::charFromName() function is an inbuilt function in PHP which is used to find Unicode character by name and returns the code point value. If Unicode character name does not match to a code point, then it returns NULL.
Syntax:
int IntlChar::charFromName( $characterName, $nameChoice = IntlChar::UNICODE_CHAR_NAME )
Parameters: This function accepts two parameters as mentioned above and described below:
- $characterName: This parameter is used to hold the full Unicode character name.
- $nameChoice: It is used to hold the names for lookup. The list of $nameChoice are given below:
- IntlChar::UNICODE_CHAR_NAME (default)
- IntlChar::UNICODE_10_CHAR_NAME
- IntlChar::EXTENDED_CHAR_NAME
- IntlChar::CHAR_NAME_ALIAS
- IntlChar::CHAR_NAME_CHOICE_COUNT
Return Value: This function returns the Unicode value of the code point on success or NULL if no code point exists.
Below programs illustrate the IntlChar::charFromName() function in PHP:
Example 1:
<?php   // PHP code to illustrate // IntlChar::charFromName ()function      // Input symbol of codepoint value  // with constraint UNICODE_CHAR_NAME var_dump(IntlChar::charFromName( "LATIN CAPITAL LETTER G" ));   var_dump(IntlChar::charFromName( "SNOWMAN" ));   var_dump(IntlChar::charFromName( "GEEKSFORGEEKS" ));   var_dump(IntlChar::charFromName( "^" , IntlChar::CHAR_NAME_ALIAS ));   ?> |
int(71) int(9731) NULL NULL
Example 2:
<?php   // PHP code to illustrate // IntlChar::charFromName() function   // Declare an array $arr with constraint // UNICODE_CHAR_NAME $arr = array (             "LATIN CAPITAL LETTER G" ,             "SNOWMAN" ,             "GEEKSFORGEEKS"         );   // Loop run for every array element foreach ( $arr as $val ) {           // Check each element as code point data     var_dump(IntlChar::charFromName( $val )); } ?> |
int(71) int(9731) NULL
Reference: http://php.net/manual/en/intlchar.charfromname.php