Fixing Travis

Author: moufmouf

.travis.yml

@@ -63,11 +63,11 @@ matrix:
         - postgresql
     - php: 7.3
       env: PREFER_LOWEST="" DB=mysql NO_WEAKREF=1
-    - php: nightly
+    - php: "7.4snapshot"
       env: PREFER_LOWEST="" DB=mysql NO_WEAKREF=1
   allow_failures:
     - php: 7.3 # 7.3 allowed to fail due to an issue with greenlion/PHP-SQL-Parser: https://github.com/greenlion/PHP-SQL-Parser/pull/304
-    - php: nightly
+    - php: "7.4snapshot"
     - php: 7.1
       env: PREFER_LOWEST="" DB=oracle PHPUNITFILE="-c phpunit.oracle.xml"
     - php: 7.1

composer-require-checker.json

@@ -3,7 +3,7 @@
     "null", "true", "false",
     "static", "self", "parent",
     "array", "string", "int", "float", "bool", "iterable", "callable", "void", "object",
-    "WeakRef",
+    "WeakRef", "WeakReference",
     "TheCodingMachine\\TDBM\\Fixtures\\Interfaces\\TestUserDaoInterface",
     "TheCodingMachine\\TDBM\\Fixtures\\Traits\\TestUserDaoTrait",
     "TheCodingMachine\\TDBM\\Fixtures\\Interfaces\\TestUserInterface",