feat: Add usage instructions

2 files changed, 12 insertions, 1 deletions

diff --git a/2024/PHP/README.md b/2024/PHP/README.md
new file mode 100644
index 0000000..6aeb9d6
--- /dev/null
+++ b/2024/PHP/README.md
@@ -0,0 +1,11 @@
+# PHP 2024
+
+## Getting Started
+
+### How to Run
+
+Run the php script directly, e.g.
+
+```sh
+php day_XX/part_YY.php
+```
diff --git a/2024/PHP/day_04/part_01.php b/2024/PHP/day_04/part_01.php
index 250da0c..ae67a4f 100644
--- a/2024/PHP/day_04/part_01.php
+++ b/2024/PHP/day_04/part_01.php
@@ -5,7 +5,7 @@ declare(strict_types=1);
 spl_autoload_register(fn(string $className) => require "{$className}.php");
 
 // Assumes executed from workspace root
-$input = new Input('input/day_04.txt');
+$input = new Input('../_input/day_04.txt');
 if ($input->contents === "") {
     throw new RuntimeException("File not found");
 }