Scriere in document txt cu PHP

[Andrei Luca]

Uite o idee

$keyword = "masini";
$gasit = false;
$txt = fopen("cautari.txt","r");
while (!feof($txt)){
$line = fgets($txt);
if (preg_match("/".$keyword."/",$line)) {
$gasit = true;
}
} 

Daca $gasit returneaza false -> scrii in fisier.