Online PHP editor | vld for mLogS

<?php $list1 = [ [ "first_name" => "Fatima", "last_name" => "A.", "country" => "Algeria", "continent" => "Africa", "age" => 25, "language" => "JavaScript" ], [ "first_name" => "Agustin", "last_name" => "M.", "country" => "Chile", "continent" => "Americas", "age" => 37, "language" => "C" ], [ "first_name" => "Jing", "last_name" => "X", "country" => "China", "continent" => "Asia", "age" => 39, "language" => "Ruby" ], [ "first_name" => "Laia", "last_name" => "P.", "country" => "Andorra", "continent" => "Europe", "age" => 55, "language" => "Ruby" ], [ "first_name" => "Oliver", "last_name" => "Q.", "country" => "Australia", "continent" => "Oceania", "age" => 65, "language" => "PHP" ] ]; var_dump(!array_diff(['Africa', 'Americas', 'Asia', 'Europe', 'Oceania'], array_unique(array_column($list1, 'continent'))));

Finding entry points Branch analysis from position: 0 1 jumps found. (Code = 62) Position 1 = -2 filename: /in/mLogS function name: (null) number of ops: 17 compiled vars: !0 = $list1 line #* E I O op fetch ext return operands ------------------------------------------------------------------------------------- 3 0 E > ASSIGN !0, <array> 46 1 INIT_FCALL 'var_dump' 2 INIT_FCALL 'array_diff' 3 SEND_VAL <array> 4 INIT_FCALL 'array_unique' 5 INIT_FCALL 'array_column' 6 SEND_VAR !0 7 SEND_VAL 'continent' 8 DO_ICALL $2 9 SEND_VAR $2 10 DO_ICALL $3 11 SEND_VAR $3 12 DO_ICALL $4 13 BOOL_NOT ~5 $4 14 SEND_VAL ~5 15 DO_ICALL 16 > RETURN 1