3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = json_decode(''); var_dump(array( 'result' => $result, 'json_last_error' => json_last_error(), 'json_last_error_msg' => json_last_error_msg() ));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b8lAF
function name:  (null)
number of ops:  15
compiled vars:  !0 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'json_decode'
          1        SEND_VAL                                                 ''
          2        DO_ICALL                                         $1      
          3        ASSIGN                                                   !0, $1
    5     4        INIT_FCALL                                               'var_dump'
    6     5        INIT_ARRAY                                       ~3      !0, 'result'
    7     6        INIT_FCALL                                               'json_last_error'
          7        DO_ICALL                                         $4      
          8        ADD_ARRAY_ELEMENT                                ~3      $4, 'json_last_error'
    8     9        INIT_FCALL                                               'json_last_error_msg'
         10        DO_ICALL                                         $5      
         11        ADD_ARRAY_ELEMENT                                ~3      $5, 'json_last_error_msg'
         12        SEND_VAL                                                 ~3
         13        DO_ICALL                                                 
    9    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
174.18 ms | 1394 KiB | 21 Q