PHP | IntlChar charFromName() Function

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:

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<?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 )); 
  
?>

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Output:

int(71)
int(9731)
NULL
NULL

Example 2:

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<?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));
?> 

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Output:

int(71)
int(9731)
NULL

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




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