Support PHP advanced version.

composer.json

@@ -13,8 +13,8 @@
         }
     ],
     "require": {
-        "php": ">=5.3.1",
-        "symfony/process": "~2.1|~3.0"
+        "php": ">=7.1",
+        "symfony/process": "~4.0"
     },
     "conflict": {
         "twig/twig": "<1.27"
@@ -29,7 +29,7 @@
         "phpunit/phpunit": "~4.8 || ^5.6",
         "psr/log": "~1.0",
         "ptachoire/cssembed": "~1.0",
-        "symfony/phpunit-bridge": "~2.7|~3.0",
+        "symfony/phpunit-bridge": "~4.0",
         "twig/twig": "~1.23|~2.0",
         "yfix/packager": "dev-master"
     },

src/Assetic/Asset/AssetCache.php

@@ -157,11 +157,10 @@ private static function getCacheKey(AssetInterface $asset, FilterInterface $addi
         $cacheKey .= $asset->getLastModified();
 
         foreach ($asset->getFilters() as $filter) {
-            if ($filter instanceof HashableInterface) {
-                $cacheKey .= $filter->hash();
-            } else {
-                $cacheKey .= serialize($filter);
-            }
+
+            $cacheKey .= $filter instanceof HashableInterface
+                ? $filter->hash()
+                : serialize($filter);
         }
 
         if ($values = $asset->getValues()) {

src/Assetic/Asset/AssetCollection.php

@@ -40,9 +40,9 @@ class AssetCollection implements \IteratorAggregate, AssetCollectionInterface
      * @param string $sourceRoot The root directory
      * @param array  $vars
      */
-    public function __construct($assets = array(), $filters = array(), $sourceRoot = null, array $vars = array())
+    public function __construct($assets = [], $filters = [], $sourceRoot = null, array $vars = [])
     {
-        $this->assets = array();
+        $this->assets = [];
         foreach ($assets as $asset) {
             $this->add($asset);
         }
@@ -51,7 +51,7 @@ public function __construct($assets = array(), $filters = array(), $sourceRoot =
         $this->sourceRoot = $sourceRoot;
         $this->clones = new \SplObjectStorage();
         $this->vars = $vars;
-        $this->values = array();
+        $this->values = [];
     }
 
     public function __clone()
@@ -73,8 +73,8 @@ public function add(AssetInterface $asset)
     public function removeLeaf(AssetInterface $needle, $graceful = false)
     {
         foreach ($this->assets as $i => $asset) {
-            $clone = isset($this->clones[$asset]) ? $this->clones[$asset] : null;
-            if (in_array($needle, array($asset, $clone), true)) {
+            $clone = $this->clones[$asset] ?? null;
+            if (in_array($needle, [$asset, $clone], true)) {
                 unset($this->clones[$asset], $this->assets[$i]);
 
                 return true;
@@ -95,8 +95,8 @@ public function removeLeaf(AssetInterface $needle, $graceful = false)
     public function replaceLeaf(AssetInterface $needle, AssetInterface $replacement, $graceful = false)
     {
         foreach ($this->assets as $i => $asset) {
-            $clone = isset($this->clones[$asset]) ? $this->clones[$asset] : null;
-            if (in_array($needle, array($asset, $clone), true)) {
+            $clone = $this->clones[$asset] ?? null;
+            if (in_array($needle, [$asset, $clone], true)) {
                 unset($this->clones[$asset]);
                 $this->assets[$i] = $replacement;
 
@@ -134,7 +134,7 @@ public function clearFilters()
     public function load(FilterInterface $additionalFilter = null)
     {
         // loop through leaves and load each asset
-        $parts = array();
+        $parts = [];
         foreach ($this as $asset) {
             $asset->load($additionalFilter);
             $parts[] = $asset->getContent();
@@ -146,7 +146,7 @@ public function load(FilterInterface $additionalFilter = null)
     public function dump(FilterInterface $additionalFilter = null)
     {
         // loop through leaves and dump each asset
-        $parts = array();
+        $parts = [];
         foreach ($this as $asset) {
             $parts[] = $asset->dump($additionalFilter);
         }

src/Assetic/Asset/AssetReference.php

@@ -23,7 +23,7 @@ class AssetReference implements AssetInterface
 {
     private $am;
     private $name;
-    private $filters = array();
+    private $filters = [];
     private $clone = false;
     private $asset;
 
@@ -56,22 +56,22 @@ public function getFilters()
 
     public function clearFilters()
     {
-        $this->filters = array();
+        $this->filters = [];
         $this->callAsset(__FUNCTION__);
     }
 
     public function load(FilterInterface $additionalFilter = null)
     {
         $this->flushFilters();
 
-        return $this->callAsset(__FUNCTION__, array($additionalFilter));
+        return $this->callAsset(__FUNCTION__, [$additionalFilter]);
     }
 
     public function dump(FilterInterface $additionalFilter = null)
     {
         $this->flushFilters();
 
-        return $this->callAsset(__FUNCTION__, array($additionalFilter));
+        return $this->callAsset(__FUNCTION__, [$additionalFilter]);
     }
 
     public function getContent()
@@ -81,7 +81,7 @@ public function getContent()
 
     public function setContent($content)
     {
-        $this->callAsset(__FUNCTION__, array($content));
+        $this->callAsset(__FUNCTION__, [$content]);
     }
 
     public function getSourceRoot()
@@ -106,7 +106,7 @@ public function getTargetPath()
 
     public function setTargetPath($targetPath)
     {
-        $this->callAsset(__FUNCTION__, array($targetPath));
+        $this->callAsset(__FUNCTION__, [$targetPath]);
     }
 
     public function getLastModified()
@@ -126,16 +126,16 @@ public function getValues()
 
     public function setValues(array $values)
     {
-        $this->callAsset(__FUNCTION__, array($values));
+        $this->callAsset(__FUNCTION__, [$values]);
     }
 
     // private
 
-    private function callAsset($method, $arguments = array())
+    private function callAsset($method, $arguments = [])
     {
         $asset = $this->resolve();
 
-        return call_user_func_array(array($asset, $method), $arguments);
+        return call_user_func_array([$asset, $method], $arguments);
     }
 
     private function flushFilters()

src/Assetic/Asset/BaseAsset.php

@@ -42,7 +42,7 @@ abstract class BaseAsset implements AssetInterface
      * @param string $sourcePath The asset path
      * @param array  $vars
      */
-    public function __construct($filters = array(), $sourceRoot = null, $sourcePath = null, array $vars = array())
+    public function __construct($filters = [], $sourceRoot = null, $sourcePath = null, array $vars = [])
     {
         $this->filters = new FilterCollection($filters);
         $this->sourceRoot = $sourceRoot;
@@ -51,7 +51,7 @@ public function __construct($filters = array(), $sourceRoot = null, $sourcePath
             $this->sourceDir = dirname("$sourceRoot/$sourcePath");
         }
         $this->vars = $vars;
-        $this->values = array();
+        $this->values = [];
         $this->loaded = false;
     }
 

src/Assetic/Asset/FileAsset.php

@@ -34,7 +34,7 @@ class FileAsset extends BaseAsset
      *
      * @throws \InvalidArgumentException If the supplied root doesn't match the source when guessing the path
      */
-    public function __construct($source, $filters = array(), $sourceRoot = null, $sourcePath = null, array $vars = array())
+    public function __construct($source, $filters = [], $sourceRoot = null, $sourcePath = null, array $vars = [])
     {
         if (null === $sourceRoot) {
             $sourceRoot = dirname($source);

src/Assetic/Asset/GlobAsset.php

@@ -32,12 +32,12 @@ class GlobAsset extends AssetCollection
      * @param string       $root    The root directory
      * @param array        $vars
      */
-    public function __construct($globs, $filters = array(), $root = null, array $vars = array())
+    public function __construct($globs, $filters = [], $root = null, array $vars = [])
     {
         $this->globs = (array) $globs;
         $this->initialized = false;
 
-        parent::__construct(array(), $filters, $root, $vars);
+        parent::__construct([], $filters, $root, $vars);
     }
 
     public function all()
@@ -102,7 +102,7 @@ private function initialize()
             if (false !== $paths = glob($glob)) {
                 foreach ($paths as $path) {
                     if (is_file($path)) {
-                        $asset = new FileAsset($path, array(), $this->getSourceRoot(), null, $this->getVars());
+                        $asset = new FileAsset($path, [], $this->getSourceRoot(), null, $this->getVars());
                         $asset->setValues($this->getValues());
                         $this->add($asset);
                     }

src/Assetic/Asset/HttpAsset.php

@@ -34,7 +34,7 @@ class HttpAsset extends BaseAsset
      *
      * @throws \InvalidArgumentException If the first argument is not an URL
      */
-    public function __construct($sourceUrl, $filters = array(), $ignoreErrors = false, array $vars = array())
+    public function __construct($sourceUrl, $filters = [], $ignoreErrors = false, array $vars = [])
     {
         if (0 === strpos($sourceUrl, '//')) {
             $sourceUrl = 'http:'.$sourceUrl;
@@ -66,7 +66,7 @@ public function load(FilterInterface $additionalFilter = null)
 
     public function getLastModified()
     {
-        if (false !== @file_get_contents($this->sourceUrl, false, stream_context_create(array('http' => array('method' => 'HEAD'))))) {
+        if (false !== @file_get_contents($this->sourceUrl, false, stream_context_create(['http' => ['method' => 'HEAD']]))) {
             foreach ($http_response_header as $header) {
                 if (0 === stripos($header, 'Last-Modified: ')) {
                     list(, $mtime) = explode(':', $header, 2);

src/Assetic/Asset/Iterator/AssetCollectionFilterIterator.php

@@ -31,7 +31,7 @@ class AssetCollectionFilterIterator extends \RecursiveFilterIterator
      * @param array                   $visited  An array of visited asset objects
      * @param array                   $sources  An array of visited source strings
      */
-    public function __construct(AssetCollectionIterator $iterator, array $visited = array(), array $sources = array())
+    public function __construct(AssetCollectionIterator $iterator, array $visited = [], array $sources = [])
     {
         parent::__construct($iterator);
 

src/Assetic/Asset/StringAsset.php

@@ -31,7 +31,7 @@ class StringAsset extends BaseAsset
      * @param string $sourceRoot The source asset root directory
      * @param string $sourcePath The source asset path
      */
-    public function __construct($content, $filters = array(), $sourceRoot = null, $sourcePath = null)
+    public function __construct($content, $filters = [], $sourceRoot = null, $sourcePath = null)
     {
         $this->string = $content;
 

src/Assetic/AssetManager.php

@@ -20,7 +20,7 @@
  */
 class AssetManager
 {
-    private $assets = array();
+    private $assets = [];
 
     /**
      * Gets an asset by name.
@@ -84,6 +84,6 @@ public function getNames()
      */
     public function clear()
     {
-        $this->assets = array();
+        $this->assets = [];
     }
 }

src/Assetic/AssetWriter.php

@@ -33,7 +33,7 @@ class AssetWriter
      *
      * @throws \InvalidArgumentException if a variable value is not a string
      */
-    public function __construct($dir, array $values = array())
+    public function __construct($dir, array $values = [])
     {
         foreach ($values as $var => $vals) {
             foreach ($vals as $value) {

src/Assetic/Cache/ArrayCache.php

@@ -18,7 +18,7 @@
  */
 class ArrayCache implements CacheInterface
 {
-    private $cache = array();
+    private $cache = [];
 
     /**
      * @see CacheInterface::has()

src/Assetic/Extension/Twig/AsseticExtension.php

@@ -20,33 +20,32 @@ class AsseticExtension extends \Twig_Extension implements \Twig_Extension_Global
     protected $functions;
     protected $valueSupplier;
 
-    public function __construct(AssetFactory $factory, $functions = array(), ValueSupplierInterface $valueSupplier = null)
+    public function __construct(AssetFactory $factory, $functions = [], ValueSupplierInterface $valueSupplier = null)
     {
         $this->factory = $factory;
-        $this->functions = array();
+        $this->functions = [];
         $this->valueSupplier = $valueSupplier;
 
         foreach ($functions as $function => $options) {
-            if (is_integer($function) && is_string($options)) {
-                $this->functions[$options] = array('filter' => $options);
-            } else {
-                $this->functions[$function] = $options + array('filter' => $function);
-            }
+
+            $this->functions[$options] = is_integer($function) && is_string($options)
+                ? ['filter' => $options]
+                : $options + ['filter' => $function];
         }
     }
 
     public function getTokenParsers()
     {
-        return array(
+        return [
             new AsseticTokenParser($this->factory, 'javascripts', 'js/*.js'),
             new AsseticTokenParser($this->factory, 'stylesheets', 'css/*.css'),
             new AsseticTokenParser($this->factory, 'image', 'images/*', true),
-        );
+        ];
     }
 
     public function getFunctions()
     {
-        $functions = array();
+        $functions = [];
         foreach ($this->functions as $function => $filter) {
             $functions[] = new AsseticFilterFunction($function);
         }
@@ -56,12 +55,12 @@ public function getFunctions()
 
     public function getGlobals()
     {
-        return array(
-            'assetic' => array(
+        return [
+            'assetic' => [
                 'debug' => $this->factory->isDebug(),
-                'vars'  => null !== $this->valueSupplier ? new ValueContainer($this->valueSupplier) : array(),
-            ),
-        );
+                'vars'  => null !== $this->valueSupplier ? new ValueContainer($this->valueSupplier) : [],
+            ],
+        ];
     }
 
     public function getFilterInvoker($function)

src/Assetic/Extension/Twig/AsseticFilterFunction.php

@@ -13,12 +13,12 @@
 
 class AsseticFilterFunction extends \Twig_SimpleFunction
 {
-    public function __construct($name, $options = array())
+    public function __construct($name, $options = [])
     {
-        parent::__construct($name, null, array_merge($options, array(
-            'needs_environment' => false,
+        parent::__construct($name, null, array_merge($options, [
+        	'needs_environment' => false,
             'needs_context' => false,
             'node_class' => '\Assetic\Extension\Twig\AsseticFilterNode',
-        )));
+        ]));
     }
 }

src/Assetic/Extension/Twig/AsseticFilterInvoker.php

@@ -26,12 +26,11 @@ public function __construct($factory, $filter)
     {
         $this->factory = $factory;
 
+        $this->filters = (array) $filter;
+        $this->options = [];
         if (is_array($filter) && isset($filter['filter'])) {
             $this->filters = (array) $filter['filter'];
-            $this->options = isset($filter['options']) ? (array) $filter['options'] : array();
-        } else {
-            $this->filters = (array) $filter;
-            $this->options = array();
+            $this->options = (array) $filter['options'] ?? [];
         }
     }
 
@@ -50,7 +49,7 @@ public function getOptions()
         return $this->options;
     }
 
-    public function invoke($input, array $options = array())
+    public function invoke($input, array $options = [])
     {
         $asset = $this->factory->createAsset($input, $this->filters, $options + $this->options);