3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bad_json = '[{ "key": "value" }] [ [{ "key": "value", "obj": {} }, {} ] ] [{ "key": "value", "obj": {} }]'; $valid_json = "[" . preg_replace("~]\K(?=\s*\[)~", ",", $bad_json) . "]"; var_export(json_decode($valid_json, true));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3tTSY
function name:  (null)
number of ops:  17
compiled vars:  !0 = $bad_json, !1 = $valid_json
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%5B%7B%0A++++%22key%22%3A+%22value%22%0A%7D%5D%0A%5B%0A++++%5B%7B%0A++++++++++++%22key%22%3A+%22value%22%2C%0A++++++++++++%22obj%22%3A+%7B%7D%0A++++++++%7D%2C%0A++++++++%7B%7D%0A++++%5D%0A%5D%0A%5B%7B%0A++++%22key%22%3A+%22value%22%2C%0A++++%22obj%22%3A+%7B%7D%0A%7D%5D'
   17     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%7E%5D%5CK%28%3F%3D%5Cs%2A%5C%5B%29%7E'
          3        SEND_VAL                                                 '%2C'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        CONCAT                                           ~4      '%5B', $3
          7        CONCAT                                           ~5      ~4, '%5D'
          8        ASSIGN                                                   !1, ~5
   19     9        INIT_FCALL                                               'var_export'
         10        INIT_FCALL                                               'json_decode'
         11        SEND_VAR                                                 !1
         12        SEND_VAL                                                 <true>
         13        DO_ICALL                                         $7      
         14        SEND_VAR                                                 $7
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
144.98 ms | 1001 KiB | 16 Q