Adds php port

Author: djonas-noip

composer-lock-diff.php

@@ -0,0 +1,48 @@
+#!/usr/bin/env php
+<?php
+
+print "production packages\n===================\n";
+print_pkgs(diff('packages'));
+
+print "\ndev packages\n============\n";
+print_pkgs(diff('packages-dev'));
+
+function diff($key) {
+
+    $pkgs = array();
+
+    $lines = '';
+    exec('git show HEAD:composer.lock', $lines);
+    $data = json_decode(implode("\n", $lines));
+
+    foreach($data->$key as $pkg) {
+        $pkgs[$pkg->name] = array($pkg->version, 'REMOVED');
+    }
+
+    $data = json_decode(file_get_contents('composer.lock'));
+
+    foreach($data->$key as $pkg) {
+        if (! array_key_exists($pkg->name, $pkgs)) {
+            $pkgs[$pkg->name] = array('NEW', $pkg->version);
+            continue;
+        }
+
+        if ($pkgs[$pkg->name][0] == $pkg->version) {
+            unset($pkgs[$pkg->name]);
+        } else {
+            $pkgs[$pkg->name][1] = $pkg->version;
+        }
+    }
+
+    return $pkgs;
+}
+
+function print_pkgs($pkgs) {
+
+    $pkg_width = max(array_map('strlen', array_keys($pkgs))) + 1;
+    $before_width = max(array_map('strlen', array_map(function($v) { return $v[0]; }, $pkgs)));
+    foreach($pkgs as $name => $v) {
+        printf("%-{$pkg_width}s %-{$before_width}s => %s\n", $name, $v[0], $v[1]);
+    }
+}
+