How to read custom text from external html with fopen in PHP

[vorota-belogorya-ActuarFar]

I wanna read an specified word from an external website, I have an website about mobile phones and I wanna implement price for all models from database, so with help of \[code\]fopen()\[/code\]I will open an etxternal website like \[code\]website.com/nokia5500.html\[/code\] so from website source to get the price (external website is an shopping website)Thanks in advance!