3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($ip_address) { if ($ip_address !== null) return $ip_address ? $ip_address : null; } echo x(123);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MD8QA
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'x'
          1        SEND_VAL                                                 123
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4      > RETURN                                                   1

Function x:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MD8QA
function name:  x
number of ops:  9
compiled vars:  !0 = $ip_address
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        TYPE_CHECK                                  1020          !0
          2      > JMPZ                                                     ~1, ->8
          3    > > JMPZ                                                     !0, ->6
          4    >   QM_ASSIGN                                        ~2      !0
          5      > JMP                                                      ->7
          6    >   QM_ASSIGN                                        ~2      null
          7    > > RETURN                                                   ~2
          8    > > RETURN                                                   null

End of function x

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.75 ms | 1397 KiB | 14 Q