3v4l.org

run code in 500+ PHP versions simultaneously
<?php if ($var = "a string value" && 1 == 1) { var_dump($var); } if ($var = "a string value" and 1 == 1) { var_dump($var); } if (($var = "a string value") && 1 == 1) { var_dump($var); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 46) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 12
Branch analysis from position: 9
2 jumps found. (Code = 46) Position 1 = 14, Position 2 = 15
Branch analysis from position: 14
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 19
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
Branch analysis from position: 15
Branch analysis from position: 12
Branch analysis from position: 8
Branch analysis from position: 5
filename:       /in/so2bX
function name:  (null)
number of ops:  20
compiled vars:  !0 = $var
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                               ~1      !0, <true>
          1      > JMPZ                                                         ~1, ->5
    4     2    >   INIT_FCALL                                                   'var_dump'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                                     
    7     5    >   ASSIGN                                               ~3      !0, 'a+string+value'
          6      > JMPZ_EX                                              ~3      ~3, ->8
          7    >   BOOL                                                 ~3      <true>
          8    > > JMPZ                                                         ~3, ->12
    8     9    >   INIT_FCALL                                                   'var_dump'
         10        SEND_VAR                                                     !0
         11        DO_ICALL                                                     
   11    12    >   ASSIGN                                               ~5      !0, 'a+string+value'
         13      > JMPZ_EX                                              ~5      ~5, ->15
         14    >   BOOL                                                 ~5      <true>
         15    > > JMPZ                                                         ~5, ->19
   12    16    >   INIT_FCALL                                                   'var_dump'
         17        SEND_VAR                                                     !0
         18        DO_ICALL                                                     
   13    19    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
168.29 ms | 2068 KiB | 14 Q