[SOLVED] Quick question in relation to mysql_real_escape_string

[mikebyrne]

I know that the following code is used to prevent SQL Injections but what exactly does the trim do? Does it remove the spaces before and after the variable?

 

$name = mysql_real_escape_string(trim($_POST['name']));

 

 

 

[MiCR0]

trim(string,charlist)

The trim() function removes whitespaces and other predefined characters from both sides of a string.

string

    *  Required. Specifies the string to check

charlist

    *  "\0" - NULL

    * "\t" - tab

    * "\n" - new line

    * "\x0B" - vertical tab

    * "\r" - carriage return

    * " " - ordinary white space