Check if string exists in a web page

Question

I\'m trying to use curl to detect whether a piece of text exists in the source code of a remote webpage. For example, I\'m trying to see if this string exists in the source:

Answer 1

The two functions you need are cURL and strpos().

");
if ($test==false)
{
    echo "no";
}
else
{
    echo "yes";
}
?>