From d7b8921e8e570fb9fc7612910a65c3b11e380f67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Sun, 14 Mar 2021 10:34:13 +0200
Subject: [PATCH 1/6] Add polyfill for \JsonSerializable

---
 composer.json    |  1 +
 src/polyfill.php | 15 +++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 src/polyfill.php

diff --git a/composer.json b/composer.json
index ae978fd..3495b2b 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,7 @@
         "sort-packages": true
     },
     "autoload": {
+        "files": [ "src/polyfill.php" ],
         "classmap": [
             "./"
         ]
diff --git a/src/polyfill.php b/src/polyfill.php
new file mode 100644
index 0000000..79b3049
--- /dev/null
+++ b/src/polyfill.php
@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * Polyfill for PHP < 5.4
+ */
+if (!interface_exists('JsonSerializable', false)) {
+    interface JsonSerializable
+    {
+        /**
+         * @param void
+         * @return mixed
+         */
+        function jsonSerialize();
+    }
+}

From 4dc2e43dbc04fbb5ca086c9e648698cd6baa0ad3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Sun, 14 Mar 2021 10:34:18 +0200
Subject: [PATCH 2/6] Use traditional array syntax

---
 parallel-lint | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/parallel-lint b/parallel-lint
index 0d77fdb..54adb6c 100755
--- a/parallel-lint
+++ b/parallel-lint
@@ -35,14 +35,14 @@ if (!defined('PHP_VERSION_ID') || PHP_VERSION_ID < 50400) {
     exit(254);
 }
 
-$autoloadLocations = [
+$autoloadLocations = array(
     getcwd() . '/vendor/autoload.php',
     getcwd() . '/../../autoload.php',
     __DIR__ . '/vendor/autoload.php',
     __DIR__ . '/../vendor/autoload.php',
     __DIR__ . '/../../../autoload.php',
     __DIR__ . '/../../autoload.php',
-];
+);
 
 $loaded = false;
 foreach ($autoloadLocations as $autoload) {

From 13d8caf0c464f852821e4dd0869676e5d3a9fb7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Sun, 14 Mar 2021 10:34:24 +0200
Subject: [PATCH 3/6] Allow loading script with php 5.3

---
 parallel-lint | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/parallel-lint b/parallel-lint
index 54adb6c..7253179 100755
--- a/parallel-lint
+++ b/parallel-lint
@@ -30,8 +30,8 @@ of the authors and should not be interpreted as representing official policies,
 either expressed or implied, of the FreeBSD Project.
  */
 
-if (!defined('PHP_VERSION_ID') || PHP_VERSION_ID < 50400) {
-    fwrite(STDERR, "PHP Parallel Lint require PHP 5.4.0 or newer." . PHP_EOL);
+if (!defined('PHP_VERSION_ID') || PHP_VERSION_ID < 50300) {
+    fwrite(STDERR, "PHP Parallel Lint requires PHP 5.3.0 or newer." . PHP_EOL);
     exit(254);
 }
 

From c699e2d9486207bc54e43c20a62093a1c934e589 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Sun, 14 Mar 2021 10:34:21 +0200
Subject: [PATCH 4/6] Allow php 5.3 in composer

---
 composer.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/composer.json b/composer.json
index 3495b2b..6ba7932 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
+        "php": ">=5.3.0",
         "ext-json": "*"
     },
     "replace": {

From 1acda5a13fdfbe3f960a9f6f12bb085b99c599b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Sat, 27 Mar 2021 21:05:55 +0200
Subject: [PATCH 5/6] Add php 5.3 to CI and listed as supported

---
 .github/workflows/test.yml | 1 +
 README.md                  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d948369..3bf2aea 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -94,6 +94,7 @@ jobs:
     strategy:
       matrix:
         php:
+          - '5.3'
           - '5.4'
           - '5.5'
           - '5.6'
diff --git a/README.md b/README.md
index 68c99c1..6fe783b 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Additionally `blame` can be used to show commits that introduced the breakage.
 
 Running parallel jobs in PHP is inspired by Nette framework tests.
 
-The application is officially supported for use with PHP 5.4 to 8.0.
+The application is officially supported for use with PHP 5.3 to 8.0.
 
 ## Table of contents
 

From 3f2cc260c18c0fec7dff6d90e35976ae55f4a0e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= <glen@pld-linux.org>
Date: Sun, 28 Mar 2021 13:54:14 +0300
Subject: [PATCH 6/6] Load polyfill from application, not from composer'

This way the polyfill won't be executed when
php-parallel-lint is loaded as composer dependency
but in application only.
---
 composer.json | 1 -
 parallel-lint | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/composer.json b/composer.json
index 6ba7932..6bc745f 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,6 @@
         "sort-packages": true
     },
     "autoload": {
-        "files": [ "src/polyfill.php" ],
         "classmap": [
             "./"
         ]
diff --git a/parallel-lint b/parallel-lint
index 7253179..cdbcab9 100755
--- a/parallel-lint
+++ b/parallel-lint
@@ -61,5 +61,7 @@ if (!$loaded) {
     exit(254);
 }
 
+require_once __DIR__ . '/src/polyfill.php';
+
 $app = new JakubOnderka\PhpParallelLint\Application();
 exit($app->run());