From 86aa0f5cf9b4e408d4ccb33608277c8377520b06 Mon Sep 17 00:00:00 2001
From: flashwave <me@flash.moe>
Date: Wed, 27 Feb 2019 13:30:07 +0100
Subject: [PATCH] Don't reprepare already prepared statements.

---
 src/db.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/db.php b/src/db.php
index 84ad75c7..ca2d1b15 100644
--- a/src/db.php
+++ b/src/db.php
@@ -31,6 +31,18 @@ function db_connection(?string $name = null): ?PDO
 }
 
 function db_prepare(string $statement, ?string $connection = null, $options = []): PDOStatement
+{
+    static $stmts = [];
+    $encodedOptions = serialize($options);
+
+    if (!empty($stmts[$connection][$statement][$encodedOptions])) {
+        return $stmts[$connection][$statement][$encodedOptions];
+    }
+
+    return $stmts[$connection][$statement][$encodedOptions] = db_prepare_direct($statement, $connection, $options);
+}
+
+function db_prepare_direct(string $statement, ?string $connection = null, $options = []): PDOStatement
 {
     return db_connection($connection)->prepare($statement, $options);
 }