3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(json_decode('{"this":true, "that":false}')); var_dump(json_decode('{"this":true, "that":false}'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q6KpZ
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'json_decode'
          2        SEND_VAL                                                 '%7B%22this%22%3Atrue%2C+%22that%22%3Afalse%7D'
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'json_decode'
          8        SEND_VAL                                                 '%7B%22this%22%3Atrue%2C+%22that%22%3Afalse%7D'
          9        DO_ICALL                                         $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.2 ms | 1394 KiB | 19 Q