3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; define('Foo\\null', true, true); define('Foo\\false', true, true); define("Foo\\INF", 1337, true); echo 'null:';if (null) echo "TRUE";else echo "FALSE"; echo "\nfalse:";if (false) echo "TRUE";else echo "FALSE"; echo "\ntrue:";if (true) echo "TRUE";else echo "FALSE"; $n=acos(1.01); echo "\nNAN:".$n;
Finding entry points
Branch analysis from position: 0
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
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
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
filename:       /in/mHv7L
function name:  (null)
number of ops:  37
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_NS_FCALL_BY_NAME                                    'Foo%5Cdefine'
          1        SEND_VAL_EX                                              'Foo%5Cnull'
          2        SEND_VAL_EX                                              <true>
          3        SEND_VAL_EX                                              <true>
          4        DO_FCALL                                      0          
    4     5        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cdefine'
          6        SEND_VAL_EX                                              'Foo%5Cfalse'
          7        SEND_VAL_EX                                              <true>
          8        SEND_VAL_EX                                              <true>
          9        DO_FCALL                                      0          
    5    10        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cdefine'
         11        SEND_VAL_EX                                              'Foo%5CINF'
         12        SEND_VAL_EX                                              1337
         13        SEND_VAL_EX                                              <true>
         14        DO_FCALL                                      0          
    7    15        ECHO                                                     'null%3A'
         16      > JMPZ                                                     null, ->19
         17    >   ECHO                                                     'TRUE'
         18      > JMP                                                      ->20
         19    >   ECHO                                                     'FALSE'
    8    20    >   ECHO                                                     '%0Afalse%3A'
         21      > JMPZ                                                     <false>, ->24
         22    >   ECHO                                                     'TRUE'
         23      > JMP                                                      ->25
         24    >   ECHO                                                     'FALSE'
    9    25    >   ECHO                                                     '%0Atrue%3A'
         26      > JMPZ                                                     <true>, ->29
         27    >   ECHO                                                     'TRUE'
         28      > JMP                                                      ->30
         29    >   ECHO                                                     'FALSE'
   11    30    >   INIT_NS_FCALL_BY_NAME                                    'Foo%5Cacos'
         31        SEND_VAL_EX                                              1.01
         32        DO_FCALL                                      0  $4      
         33        ASSIGN                                                   !0, $4
   13    34        CONCAT                                           ~6      '%0ANAN%3A', !0
         35        ECHO                                                     ~6
         36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.12 ms | 1400 KiB | 17 Q