There (mostly) can't be statements outside of namespaces-----<?phpecho1;namespaceA;-----Namespacedeclarationstatementhastobetheveryfirststatementinthescriptonline3-----<?phpnamespaceA{}echo1;-----Nocodemayexistoutsideofnamespace{}online3-----<?phpnamespaceA{}declare(ticks=1);namespaceB{}-----Nocodemayexistoutsideofnamespace{}online3