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<?php
abstract class oracle {
// some info to spit out alongside the result, so the user knows
// what exactly is giving out the answer. prevents confusion
// about what oracle is answering them for ambiguous queries.
public $info = [
"name" => "some oracle"
];
// this function should take in a query string search from $_GET,
// and return a bool determining whether or not it is a question
// intended for the oracle.
public function check_query($q) {
return false;
}
// produce the correct answer for the query using the oracle.
// note: if it becomes apparent /during generation/ that the
// query is not in fact for the oracle, returning an empty
// string will kill the oracle pane.
// answer format: ["ans1 title" => "ans1", ...]
public function generate_response($q) {
return "";
}
}
// backwards compatibility
if (!function_exists('str_starts_with')) {
function str_starts_with($haystack, $needle) {
return strncmp($haystack, $needle, strlen($needle)) === 0;;
}
}
if (!function_exists('str_contains')) {
function str_contains($haystack, $needle) {
return strpos((string)$haystack, (string)$needle) !== false;
}
}
?>
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