Efficient way to test string for certain words

Question

I have a bunch of banned words and want to check if string A contains any of these words.

For example:

$banned_words = \"dog cat horse bird mouse mon         


        

Answer 1

Wouldn't it be better if the $banned_w would be an array?

Then you could explode() the string you want to check for banned words, then for every exploded piece use in_array() to check if it's a banned word.

Edit: You could use: similar_text for the comparisons, if one modifies the bad word a bit.