Merge pull request #3 from widoz/develop

Want to release the first version

src/BemPrefixed.php

@@ -36,6 +36,8 @@
  */
 final class BemPrefixed implements Bem, HasPrefix
 {
+    const FILTER_VALUE = 'bem.value';
+
     /**
      * Block
      *
@@ -101,12 +103,12 @@ public function value(): string
         }
 
         // Apply the element.
-        if (!$this->modifiers and $this->element) {
+        if (!$this->modifiers && $this->element) {
             $bem .= "__{$this->element}";
         }
 
         // Allow to be used outside of WordPress.
-        if (function_exists('apply_filters')) {
+        if (\function_exists('apply_filters')) {
             /**
              * Bem Filter
              *
@@ -115,7 +117,7 @@ public function value(): string
              * @param string $bem The bem value.
              * @param Bem $this The instance of the class.
              */
-            $bem = apply_filters('bem', $bem, $this);
+            $bem = apply_filters(self::FILTER_VALUE, $bem, $this);
         }
 
         // Sanitize the class name.
@@ -209,7 +211,7 @@ private function sanitizeHtmlClass(string $class): string
     {
         $classes = explode(' ', $class);
 
-        if (function_exists('sanitize_html_class')) {
+        if (\function_exists('sanitize_html_class')) {
             return implode(' ', array_map('sanitize_html_class', $classes));
         }