Re: Arrays as pointers?

In article <NFBBJIEHOMPJBKCCIPKCIECDCBAA.v0idnull@liquidgrin.com>, v0idnull@liquidgrin.com says... > A friend of mine showed me this code recently. > > function firstLogin_string() { > mt_srand(make_seed()); > $pool = "AaBbCcDdEeFfGgHhIiJjKkLlM"; > $length = 26; > for($i=0; $i < $length; $i++) { > $key .= $pool[mt_rand(0,strlen($pool)-1)]; > } > return $key; > } > > look at the for loop. $pool is not an array but is being treated as such and > the key happens to be the position in $pool and it'll take that letter and > save it to $key. I've never seen this done before. What is this method > called and what other neat tricks can you do in respect to this? > This is documented behaviour - from the manual: String access by character Characters within strings may be accessed by specifying the zero-based offset of the desired character after the string in curly braces. Note: For backwards compatibility, you can still use the array-braces. However, this syntax is deprecated as of PHP 4. Use limitd only by your imagination :-) -- David Robley Temporary Kiwi!