Eroare de compilare: user.cpp:1:27: warning: character constant too long for its type [enabled by default] $json = file_get_contents('convertor.in'); ^ user.cpp:4:12: warning: character constant too long for its type [enabled by default] $f = fopen('convertor.out', 'w'); ^ user.cpp:1:1: error: ‘$json’ does not name a type $json = file_get_contents('convertor.in'); ^ user.cpp:2:1: error: ‘$arr’ does not name a type $arr = json_decode($json); ^ user.cpp:4:1: error: ‘$f’ does not name a type $f = fopen('convertor.out', 'w'); ^ user.cpp:7:8: error: expected constructor, destructor, or type conversion before ‘(’ token foreach($arr[0] as $key => $value) ^ user.cpp:13:8: error: expected constructor, destructor, or type conversion before ‘(’ token foreach($arr as $obj) ^