3v4l.org

run code in 500+ PHP versions simultaneously
<?php $lall = null; if ($lall != 0) { echo "jep1\n"; } else { echo "nop1\n"; } if ($lall != '0') { echo "jep2\n"; } else { echo "nop2\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
Branch analysis from position: 10
filename:       /in/a4VdC
function name:  (null)
number of ops:  12
compiled vars:  !0 = $lall
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, null
    5     1        IS_NOT_EQUAL                                                 !0, 0
          2      > JMPZ                                                         ~2, ->5
    6     3    >   ECHO                                                         'jep1%0A'
    5     4      > JMP                                                          ->6
    8     5    >   ECHO                                                         'nop1%0A'
   11     6    >   IS_NOT_EQUAL                                                 !0, '0'
          7      > JMPZ                                                         ~3, ->10
   12     8    >   ECHO                                                         'jep2%0A'
   11     9      > JMP                                                          ->11
   14    10    >   ECHO                                                         'nop2%0A'
   15    11    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
163.47 ms | 1849 KiB | 13 Q