From c30135ef6a94c525b419c5fb11f9bd74ff80496d Mon Sep 17 00:00:00 2001
From: Steph <noreply+steph@code.steph.tools>
Date: Thu, 1 Dec 2022 21:02:00 +0100
Subject: [PATCH] Day 6 in php, this was a mistake lol

---
 2021/6/.gitignore |  1 +
 2021/6/growth.php | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 2021/6/.gitignore
 create mode 100644 2021/6/growth.php

diff --git a/2021/6/.gitignore b/2021/6/.gitignore
new file mode 100644
index 0000000..3f9177e
--- /dev/null
+++ b/2021/6/.gitignore
@@ -0,0 +1 @@
+input
diff --git a/2021/6/growth.php b/2021/6/growth.php
new file mode 100644
index 0000000..3955ab3
--- /dev/null
+++ b/2021/6/growth.php
@@ -0,0 +1,28 @@
+#!/usr/bin/env php
+<?php
+
+// This is very hacky
+ini_set('memory_limit', '-1');
+
+$input = file_get_contents("input");
+$input = explode(",", $input);
+
+$days = 256;
+
+for($day=0; $day<$days; $day++){
+
+	echo "\rAt day $day/$days. ".count($input)." lanternfish currently. Memory usage: " . floor(memory_get_peak_usage() / 1024 / 1024) . "MiB.";
+
+	foreach($input as $i => &$v) {
+		$v--;
+		if($v == -1) {
+			$v = 6;
+			$input[] = 9;
+		}
+	}
+
+}
+
+echo "Total number of fish after $days days: " . count($input);
+
+?>