chore: drop PHP 5.x, PHPUnit 5.x and PHPUnit polyfill (#19)

Author: keradus

.github/workflows/ci.yaml

@@ -28,9 +28,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - php-version: '5.6'
-            composer-flags: '--prefer-stable --prefer-lowest'
           - php-version: '7.0'
+            composer-flags: '--prefer-stable --prefer-lowest'
           - php-version: '7.1'
           - php-version: '7.2'
           - php-version: '7.3'

composer.json

@@ -13,11 +13,10 @@
         }
     ],
     "require": {
-        "php": "^5.5 || ^7.0 || ^8.0",
+        "php": "^7.0 || ^8.0",
         "ext-dom": "*",
         "ext-libxml": "*",
-        "phpunit/phpunit": "^5.7.27 || ^6.5.14 || ^7.5.20 || ^8.0 || ^9.0 || ^10.0",
-        "phpunitgoodpractices/polyfill": "^1.4"
+        "phpunit/phpunit": "^6.5.14 || ^7.5.20 || ^8.0 || ^9.0 || ^10.0"
     },
     "autoload": {
         "psr-4": {

src/Constraint/XmlMatchesXsdForV5.php

@@ -51,17 +51,11 @@ public function __construct($xsd)
         $this->xsd = $xsd;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function toString()
     {
         return 'matches XSD';
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function failureDescription($other)
     {
         if (\is_string($other)) {
@@ -79,15 +73,11 @@ protected function failureDescription($other)
         return $type.' '.$this->toString();
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function matches($other)
     {
         return \is_string($other)
             ? $this->stringMatches($other)
-            : false
-        ;
+            : false;
     }
 
     /**

src/Constraint/XmlMatchesXsdForV7.php

@@ -47,17 +47,11 @@ public function __construct($xsd)
         $this->xsd = $xsd;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function toString(): string
     {
         return 'matches XSD';
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function failureDescription($other): string
     {
         if (\is_string($other)) {
@@ -75,15 +69,11 @@ protected function failureDescription($other): string
         return $type.' '.$this->toString();
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function matches($other): bool
     {
         return \is_string($other)
             ? $this->stringMatches($other)
-            : false
-        ;
+            : false;
     }
 
     /**

src/Constraint/XmlMatchesXsdForV8.php

@@ -45,17 +45,11 @@ public function __construct($xsd)
         $this->xsd = $xsd;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function toString(): string
     {
         return 'matches XSD';
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function failureDescription($other): string
     {
         if (\is_string($other)) {
@@ -73,15 +67,11 @@ protected function failureDescription($other): string
         return $type.' '.$this->toString();
     }
 
-    /**
-     * {@inheritdoc}
-     */
     protected function matches($other): bool
     {
         return \is_string($other)
             ? $this->stringMatches($other)
-            : false
-        ;
+            : false;
     }
 
     /**

tests/Constraint/XmlMatchesXsdTest.php

@@ -39,14 +39,14 @@ public function testAssertXMLMatchesXSD()
         }
 
         $constraint->evaluate($content); // should not throw an exception
-        static::assertTrue($constraint->evaluate($content, '', true));
+        self::assertTrue($constraint->evaluate($content, '', true));
     }
 
     public function testXMLValidConstraintBasics()
     {
         $constraint = new XmlMatchesXsd('');
-        static::assertSame(1, $constraint->count());
-        static::assertSame('matches XSD', $constraint->toString());
+        self::assertSame(1, $constraint->count());
+        self::assertSame('matches XSD', $constraint->toString());
     }
 
     public function testXMLValidConstraintFalse()