Create seperate argv parser

includes/argvParser.php

@@ -0,0 +1,50 @@
+<?php
+
+readonly class argvParser
+{
+    /**
+     * @param array<string, string> $options
+     * @param array<string, string> $arguments
+     */
+    public function __construct(
+        private array $options = [],
+        private array $arguments = [],
+    ) {}
+
+    public function getOptionsHelp(): string
+    {
+        $line = '';
+        foreach ($this->options as $option => $description) {
+            $line .= sprintf('[-%s (%s)] ', $option, $description);
+        }
+        foreach ($this->arguments as $argument => $description) {
+            $line .= sprintf('<%s (%s)> ', $argument, $description);
+        }
+        return $line;
+    }
+
+    public function parseArgv(array $argv): false|array
+    {
+        array_shift($argv); // shift the script name
+        if (count($argv) === 0) {
+            return false;
+        }
+
+        $parsed = array_map(fn() => false, $this->options);
+        while (str_starts_with($argv[0], '-')) {
+            $option = substr($argv[0], 1);
+            if ($this->options[$option]) {
+                $parsed[$option] = true;
+            }
+            array_shift($argv);
+        }
+        if (count($argv) !== count($this->arguments)) {
+            return false;
+        }
+        foreach ($this->arguments as $arg => $description) {
+            $parsed[$arg] = array_shift($argv);
+        }
+
+        return $parsed;
+    }
+}