3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo x(); exit; if (false) { function x() { return 42; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 79) Position 1 = -2
filename:       /in/JFf8Q
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   INIT_FCALL_BY_NAME                                       'x'
          1        DO_FCALL                                      0  $0      
          2        ECHO                                                     $0
          3      > EXIT                                                     
          4*       JMPZ                                                     <false>, ->6
          5*       DECLARE_FUNCTION                                         'x'
          6*     > RETURN                                                   1

Function %00x%2Fin%2FJFf8Q%3A1%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JFf8Q
function name:  x
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E > > RETURN                                                   42
          1*     > RETURN                                                   null

End of function %00x%2Fin%2FJFf8Q%3A1%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
139.14 ms | 1384 KiB | 13 Q