How to make it support Chinese?

Here is the program segment:
$bool_var=preg_match("/\b$search_item\b/i", $contents);


$search_item is the word I need to search in the $contents
It returns TRUE when $contents contains the word we want to search

in this case:
if I search for apple
apple is true, but apples is not true

but Why can't I search for Chinese words?
cmkplAsked:
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FataquiConnect With a Mentor Commented:
Hi

If you are using $var(s) inside your preg_match search regex string then you need to make the function understand that your $var(s) are a reference to another value! Maybe you might understand what I mean so I will give you an example....

If I was to do this................ ECHO(s) -> NOT FOUND

<?

$content = 'just some text that contains the word ¥¢¥Ã¥×¥ë¥Ñ¥¤ <- "apple". Can pre_match find it?';

$search = '¥¢¥Ã¥×¥ë¥Ñ¥¤';

if ( preg_match ( '!$search!', $content ) )
{

echo 'FOUND';

}
else
{

echo 'NOT FOUND';

}


?>



The function would echo "NOT FOUND", because it is not looking for the value of $search but the literally word 'search'. Now because you are searching different character set you should 'quote' the value passed to your preg_match function! This way the function will work, example....


If I was to do this................ ECHO(s) -> FOUND

<?

$content = 'just some text that contains the word ¥¢¥Ã¥×¥ë¥Ñ¥¤ <- "apple". Can pre_match find it?';

$search = '¥¢¥Ã¥×¥ë¥Ñ¥¤';

if ( preg_match ( '!' . preg_quote ( $search ) . '!', $content ) )
{

echo 'FOUND';

}
else
{

echo 'NOT FOUND';

}


?>


Fataqui!

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