space between string

if i have a string "i am very dumb", how can i convert it to "iamverydumb"
trim() doesn't take out space between word....

 

str_replace(" ", "", "i am very dumb")

Should produce the results your looking for.

http://www.php.net/str_replace

 

it doesn't work for me

this is the code

$searchterm = $_POST['query'];
str_replace(" ", "", $searchterm);

i want take out the space of my vistor's query..but it doesn't work

 

You would need to set your variable to the new string value. Not sure about the syntax, might look like this...

$searchterm == str_replace(" ", "", $searchterm);