✨ Finit le 4eme jour

day_4/part_2.php

@@ -0,0 +1,13 @@
+<?php
+
+include 'passport.php';
+
+$passports = explode("\n\n", file_get_contents('input.txt'));
+$number_of_valid_passports = 0;
+
+foreach ($passports as $passport) {
+    $passport_o = Passport::fromInput($passport);
+    $number_of_valid_passports += ($passport_o->isReallyValid()) ? 1 : 0;
+}
+
+var_dump($number_of_valid_passports);