Merge branch '3.4' into 4.0

* 3.4:
  minor symfony#25421 grammar typo in docs (michaelKaefer)
  Extend Argon2i support check to account for sodium_compat

Author: chalasr

src/Symfony/Component/Lock/StoreInterface.php

@@ -31,7 +31,7 @@ interface StoreInterface
     public function save(Key $key);
 
     /**
-     * Waits a key becomes free, then stores the resource.
+     * Waits until a key becomes free, then stores the resource.
      *
      * If the store does not support this feature it should throw a NotSupportedException.
      *

src/Symfony/Component/Security/Core/Encoder/Argon2iPasswordEncoder.php

@@ -22,9 +22,15 @@ class Argon2iPasswordEncoder extends BasePasswordEncoder implements SelfSaltingE
 {
     public static function isSupported()
     {
-        return (\PHP_VERSION_ID >= 70200 && \defined('PASSWORD_ARGON2I'))
-            || \function_exists('sodium_crypto_pwhash_str')
-            || \extension_loaded('libsodium');
+        if (\defined('PASSWORD_ARGON2I')) {
+            return true;
+        }
+
+        if (\class_exists('ParagonIE_Sodium_Compat') && \method_exists('ParagonIE_Sodium_Compat', 'crypto_pwhash_is_available')) {
+            return \ParagonIE_Sodium_Compat::crypto_pwhash_is_available();
+        }
+
+        return \function_exists('sodium_crypto_pwhash_str') || \extension_loaded('libsodium');
     }
 
     /**