Drop support for PHP 7.0, PHP 7.1, and PHP 7.2

.gitignore

@@ -3,3 +3,4 @@
 /vendor
 /.php_cs
 /.php_cs.cache
+/.phpunit.result.cache

.travis.yml

@@ -1,9 +1,6 @@
 language: php
 
 php:
-  - 7.0
-  - 7.1
-  - 7.2
   - 7.3
   - 7.4
 

ChangeLog.md

@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
+## [4.0.0] - 2020-02-07
+
+### Removed
+
+* This component is no longer supported on PHP 7.0, PHP 7.1, and PHP 7.2
+
 ## [3.1.2] - 2019-09-14
 
 ### Fixed
@@ -12,4 +18,5 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 
 * Remove HHVM-specific code that is no longer needed
 
+[4.0.0]: https://github.com/sebastianbergmann/exporter/compare/3.1.2...master
 [3.1.2]: https://github.com/sebastianbergmann/exporter/compare/3.1.1...3.1.2

composer.json

@@ -27,16 +27,20 @@
         }
     ],
     "config": {
+        "platform": {
+            "php": "7.3.0"
+        },
         "optimize-autoloader": true,
         "sort-packages": true
     },
     "prefer-stable": true,
+    "minimum-stability": "dev",
     "require": {
-        "php": "^7.0",
+        "php": "^7.3",
         "sebastian/recursion-context": "^4.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.0",
+        "phpunit/phpunit": "^9.0",
         "ext-mbstring": "*"
     },
     "autoload": {
@@ -46,7 +50,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.1.x-dev"
+            "dev-master": "4.0-dev"
         }
     }
 }

phpunit.xml

@@ -1,15 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.0/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.0/phpunit.xsd"
          bootstrap="vendor/autoload.php"
+         executionOrder="depends,defects"
          forceCoversAnnotation="true"
          beStrictAboutCoversAnnotation="true"
          beStrictAboutOutputDuringTests="true"
          beStrictAboutTodoAnnotatedTests="true"
          verbose="true">
-    <testsuite>
-        <directory suffix="Test.php">tests</directory>
-    </testsuite>
+    <testsuites>
+        <testsuite name="default">
+            <directory suffix="Test.php">tests</directory>
+        </testsuite>
+    </testsuites>
 
     <filter>
         <whitelist processUncoveredFilesFromWhitelist="true">

tests/ExporterTest.php

@@ -22,12 +22,12 @@ class ExporterTest extends TestCase
      */
     private $exporter;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->exporter = new Exporter;
     }
 
-    public function exportProvider()
+    public function exportProvider(): array
     {
         $obj2      = new \stdClass;
         $obj2->foo = 'bar';
@@ -201,7 +201,7 @@ EOF
     /**
      * @dataProvider exportProvider
      */
-    public function testExport($value, $expected)
+    public function testExport($value, $expected): void
     {
         $this->assertStringMatchesFormat(
             $expected,
@@ -209,12 +209,8 @@ EOF
         );
     }
 
-    public function testExport2()
+    public function testExport2(): void
     {
-        if (\PHP_VERSION === '5.3.3') {
-            $this->markTestSkipped('Skipped due to "Nesting level too deep - recursive dependency?" fatal error');
-        }
-
         $obj      = new \stdClass;
         $obj->foo = 'bar';
 
@@ -293,7 +289,7 @@ EOF;
         );
     }
 
-    public function shortenedExportProvider()
+    public function shortenedExportProvider(): array
     {
         $obj      = new \stdClass;
         $obj->foo = 'bar';
@@ -321,7 +317,7 @@ EOF;
     /**
      * @dataProvider shortenedExportProvider
      */
-    public function testShortenedExport($value, $expected)
+    public function testShortenedExport($value, $expected): void
     {
         $this->assertSame(
             $expected,
@@ -332,7 +328,7 @@ EOF;
     /**
      * @requires extension mbstring
      */
-    public function testShortenedExportForMultibyteCharacters()
+    public function testShortenedExportForMultibyteCharacters(): void
     {
         $oldMbLanguage = \mb_language();
         \mb_language('Japanese');
@@ -355,7 +351,7 @@ EOF;
         \mb_language($oldMbLanguage);
     }
 
-    public function provideNonBinaryMultibyteStrings()
+    public function provideNonBinaryMultibyteStrings(): array
     {
         return [
             [\implode('', \array_map('chr', \range(0x09, 0x0d))), 9],
@@ -367,7 +363,7 @@ EOF;
     /**
      * @dataProvider provideNonBinaryMultibyteStrings
      */
-    public function testNonBinaryStringExport($value, $expectedLength)
+    public function testNonBinaryStringExport($value, $expectedLength): void
     {
         $this->assertRegExp(
             "~'.{{$expectedLength}}'\$~s",
@@ -375,12 +371,12 @@ EOF;
         );
     }
 
-    public function testNonObjectCanBeReturnedAsArray()
+    public function testNonObjectCanBeReturnedAsArray(): void
     {
         $this->assertEquals([true], $this->exporter->toArray(true));
     }
 
-    public function testIgnoreKeysInValue()
+    public function testIgnoreKeysInValue(): void
     {
         // Find out what the actual use case was with the PHP bug
         $array = [];
@@ -389,20 +385,15 @@ EOF;
         $this->assertEquals([], $this->exporter->toArray((object) $array));
     }
 
-    private function trimNewline($string)
-    {
-        return \preg_replace('/[ ]*\n/', "\n", $string);
-    }
-
     /**
      * @dataProvider shortenedRecursiveExportProvider
      */
-    public function testShortenedRecursiveExport(array $value, string $expected)
+    public function testShortenedRecursiveExport(array $value, string $expected): void
     {
         $this->assertEquals($expected, $this->exporter->shortenedRecursiveExport($value));
     }
 
-    public function shortenedRecursiveExportProvider()
+    public function shortenedRecursiveExportProvider(): array
     {
         return [
             'export null'                   => [[null], 'null'],
@@ -419,7 +410,7 @@ EOF;
         ];
     }
 
-    public function testShortenedRecursiveOccurredRecursion()
+    public function testShortenedRecursiveOccurredRecursion(): void
     {
         $recursiveValue = [1];
         $context = new Context();
@@ -429,4 +420,9 @@ EOF;
 
         $this->assertEquals('*RECURSION*', $this->exporter->shortenedRecursiveExport($value, $context));
     }
+
+    private function trimNewline(string $string): string
+    {
+        return \preg_replace('/[ ]*\n/', "\n", $string);
+    }
 }