3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($a, $b) { return $a + $b; } for ($i = 0; $i < 1000000; $i++) { $c = test($i, $i + 1); } echo $c;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 2
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 2
Branch analysis from position: 11
Branch analysis from position: 2
filename:       /in/BgoLs
function name:  (null)
number of ops:  13
compiled vars:  !0 = $i, !1 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->9
    8     2    >   INIT_FCALL                                               'test'
          3        SEND_VAR                                                 !0
          4        ADD                                              ~3      !0, 1
          5        SEND_VAL                                                 ~3
          6        DO_FCALL                                      0  $4      
          7        ASSIGN                                                   !1, $4
    7     8        PRE_INC                                                  !0
          9    >   IS_SMALLER                                               !0, 1000000
         10      > JMPNZ                                                    ~7, ->2
   11    11    >   ECHO                                                     !1
         12      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BgoLs
function name:  test
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        ADD                                              ~2      !0, !1
          3      > RETURN                                                   ~2
    5     4*     > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.35 ms | 1398 KiB | 14 Q