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oracles/base.php

@@ -0,0 +1,36 @@
+<?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;
+	}
+}
+
+?>