3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Direction { static $UNKNOWN = PHP_INT_MAX; public function __construct($direction) { $d = 1 << 1; echo $d; switch ($direction) { case (Direction::NORTH): echo "North"; break; case (Direction::EAST): echo "East"; break; case (Direction::SOUTH): echo "South"; break; case (Direction::WEST): echo "West"; break; case (Direction::UNKNOWN): echo "Unknown"; break; default: echo "No Match"; break; } } } $d = new Direction(Direction::UNKNOWN);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cQWP1
function name:  (null)
number of ops:  6
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   35     0  E >   NEW                                              $1      'Direction'
          1        FETCH_CLASS_CONSTANT                             ~2      'Direction', 'UNKNOWN'
          2        SEND_VAL_EX                                              ~2
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $1
          5      > RETURN                                                   1

Class Direction:
Function __construct:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 19
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 21
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 23
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 25
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 27
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 27
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
filename:       /in/cQWP1
function name:  __construct
number of ops:  32
compiled vars:  !0 = $direction, !1 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    8     1        ASSIGN                                                   !1, 2
    9     2        ECHO                                                     !1
   11     3        FETCH_CLASS_CONSTANT                             ~4      'Direction', 'NORTH'
          4        IS_EQUAL                                                 !0, ~4
          5      > JMPNZ                                                    ~3, ->19
   14     6    >   FETCH_CLASS_CONSTANT                             ~5      'Direction', 'EAST'
          7        IS_EQUAL                                                 !0, ~5
          8      > JMPNZ                                                    ~3, ->21
   17     9    >   FETCH_CLASS_CONSTANT                             ~6      'Direction', 'SOUTH'
         10        IS_EQUAL                                                 !0, ~6
         11      > JMPNZ                                                    ~3, ->23
   20    12    >   FETCH_CLASS_CONSTANT                             ~7      'Direction', 'WEST'
         13        IS_EQUAL                                                 !0, ~7
         14      > JMPNZ                                                    ~3, ->25
   24    15    >   FETCH_CLASS_CONSTANT                             ~8      'Direction', 'UNKNOWN'
         16        IS_EQUAL                                                 !0, ~8
         17      > JMPNZ                                                    ~3, ->27
         18    > > JMP                                                      ->29
   12    19    >   ECHO                                                     'North'
   13    20      > JMP                                                      ->31
   15    21    >   ECHO                                                     'East'
   16    22      > JMP                                                      ->31
   18    23    >   ECHO                                                     'South'
   19    24      > JMP                                                      ->31
   21    25    >   ECHO                                                     'West'
   22    26      > JMP                                                      ->31
   25    27    >   ECHO                                                     'Unknown'
   26    28      > JMP                                                      ->31
   29    29    >   ECHO                                                     'No+Match'
   30    30      > JMP                                                      ->31
   32    31    > > RETURN                                                   null

End of function __construct

End of class Direction.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
166.08 ms | 1390 KiB | 13 Q