3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "\nFall 1:"; if (0 == 0) { echo "TRUE"; } else { echo "false"; } echo "\nFall 2:"; if (0 == "0") { echo "TRUE"; } else { echo "false"; } echo "\nFall 3:"; if (0 == "1") { echo "TRUE"; } else { echo "false"; } echo "\nFall 4:"; if (0 == "") { echo "TRUE"; } else { echo "false"; } echo "\nFall 5:"; if ("abc123" == true) { echo "TRUE"; } else { echo "false"; } echo "\nFall 6:"; if (456 == "456abc") { echo "TRUE"; } else { echo "false"; } echo "\nFall 7:"; if (0 == "Chuck Norris") { echo "TRUE"; } else { echo "false"; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 29
Branch analysis from position: 27
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 43) Position 1 = 32, Position 2 = 34
Branch analysis from position: 32
1 jumps found. (Code = 42) Position 1 = 35
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 34
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
2 jumps found. (Code = 43) Position 1 = 32, Position 2 = 34
Branch analysis from position: 32
Branch analysis from position: 34
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 27, Position 2 = 29
Branch analysis from position: 27
Branch analysis from position: 29
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
Branch analysis from position: 24
Branch analysis from position: 14
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
Branch analysis from position: 19
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
Branch analysis from position: 14
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
Branch analysis from position: 9
filename:       /in/U0Kbv
function name:  (null)
number of ops:  36
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     '%0AFall+1%3A'
    3     1      > JMPZ                                                     <true>, ->4
    4     2    >   ECHO                                                     'TRUE'
          3      > JMP                                                      ->5
    6     4    >   ECHO                                                     'false'
    8     5    >   ECHO                                                     '%0AFall+2%3A'
    9     6      > JMPZ                                                     <true>, ->9
   10     7    >   ECHO                                                     'TRUE'
          8      > JMP                                                      ->10
   12     9    >   ECHO                                                     'false'
   14    10    >   ECHO                                                     '%0AFall+3%3A'
   15    11      > JMPZ                                                     <false>, ->14
   16    12    >   ECHO                                                     'TRUE'
         13      > JMP                                                      ->15
   18    14    >   ECHO                                                     'false'
   20    15    >   ECHO                                                     '%0AFall+4%3A'
   21    16      > JMPZ                                                     <false>, ->19
   22    17    >   ECHO                                                     'TRUE'
         18      > JMP                                                      ->20
   24    19    >   ECHO                                                     'false'
   26    20    >   ECHO                                                     '%0AFall+5%3A'
   27    21      > JMPZ                                                     <true>, ->24
   28    22    >   ECHO                                                     'TRUE'
         23      > JMP                                                      ->25
   30    24    >   ECHO                                                     'false'
   32    25    >   ECHO                                                     '%0AFall+6%3A'
   33    26      > JMPZ                                                     <false>, ->29
   34    27    >   ECHO                                                     'TRUE'
         28      > JMP                                                      ->30
   36    29    >   ECHO                                                     'false'
   38    30    >   ECHO                                                     '%0AFall+7%3A'
   39    31      > JMPZ                                                     <false>, ->34
   40    32    >   ECHO                                                     'TRUE'
         33      > JMP                                                      ->35
   42    34    >   ECHO                                                     'false'
   44    35    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.58 ms | 1399 KiB | 13 Q