Posted by Johannes Wienke on 09/28/08 11:41

Am 04.03.2006 19:45 schrieb guttyguppy@gmail.com:
> I know that file('mytext.txt'); will return an array of all the lines
> of text in mytext.txt. What I want is to grab the text from random line
> in mytext.txt.
>
> $lines = file('words.txt');
> $random = rand() % 100;
> echo "line=" . $lines[$random];
>
> The problem is I have a very long text file, and each time the php page
> is loaded there is a delay as it needs to assemble the enormous array.

Depending on your server-config it is perhaps faster to use
unix-commands like cat in combination with head and tail. If the server
allows this, you can use them with exec(). Maybe it is worth a try.

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