Syntax:mixed IntlChar::foldCase ($codepoint, $options = IntlChar::FOLD_CASE_DEFAULT)
Parameters:This function takes two parameters as above and described below:
- $codepoint:this parameter is a character or integer value which is encoded as a UTF-8 string.
- $options:this parameter contains character constants IntlChar::FOLD_CASE_DEFAULT by default or IntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I.
Return value:This function returns the
Simple_Case_Folding code point. If a code point does not have a folding equivalent, then the code point itself is returned.The following program illustrates the
IntlChar::foldCase() functionin PHP:
Program:
// PHP- program for illustrating the IntlChar::foldCase() function var_dump (IntlChar::foldCase ( ’AA’ , IntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I)); var_dump (IntlChar::foldCase ( ’@’ , IntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I)); var_dump (IntlChar::foldCase ( ’& amp;’ , IntlChar::FOLD_CASE_EXCLUDE_SPECIAL_I)); var_dump (IntlChar::foldCase ( ’C’ , IntlChar::FOLD_CASE_DEFAULT)); var_dump (IntlChar::foldCase ( ’Lt’ , IntlChar::FOLD_CASE_DEFAULT)); var_dump (IntlChar::foldCase ( ’/’ , IntlChar::FOLD_CASE_DEFAULT)); var_dump (IntlChar::foldCase ( ’g’ , IntlChar::FOLD_CASE_DEFAULT)); var_dump (IntlChar::foldCase ( ’1’ , IntlChar::FOLD_CASE_DEFAULT));
?> Exit:NULL string ( 1) "@" string (1) "& amp;" string (1) "c" NULL string (1) "/" string (1) "g" string (1) "1"
Link: https://www.php.net/manual/en/intlchar.foldcase.php
