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<?php $a = json_decode('{"7":"value1","8":"value2","9":"value3","13":"value4"}',TRUE); var_export($a); var_dump(isset($a[7]), isset($a['7']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YuF9B
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'json_decode'
          1        SEND_VAL                                                 '%7B%227%22%3A%22value1%22%2C%228%22%3A%22value2%22%2C%229%22%3A%22value3%22%2C%2213%22%3A%22value4%22%7D'
          2        SEND_VAL                                                 <true>
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
    4     5        INIT_FCALL                                               'var_export'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        ISSET_ISEMPTY_DIM_OBJ                         0  ~4      !0, 7
         10        SEND_VAL                                                 ~4
         11        ISSET_ISEMPTY_DIM_OBJ                         0  ~5      !0, 7
         12        SEND_VAL                                                 ~5
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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209.81 ms | 1011 KiB | 16 Q