string comparison

[susapra]

hi

i am writing a small application where a user enters a phrase in the textfield and i would like to display all the files present in the root directory which consists of the keyword or keywords entered by the user.

i have used a few comparison functions but i am not getting the expected result.

$my_file = file_get_contents("filename.html");
what ever the user enters whether it is a single word or few words i would like to compare with $my_file in a case insensitive manner.

can anyone suggest the best method and how to go about.

thanks.

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[Nile]

http://us3.php.net/manual/en/function.stristr.php
http://us3.php.net/substr
http://us2.php.net/strpos
Try one of those.