3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar { class a {} class b {} function a() { var_dump(__FUNCTION__); } function b() { var_dump(__FUNCTION__); } const a = 1; const b = 2; } namespace PrePhp7 { use Foo\Bar\a; use Foo\Bar\b; use function Foo\Bar\a; use function Foo\Bar\b; use const Foo\Bar\a; use const Foo\Bar\b; echo "\n" . __NAMESPACE__ . "\n"; var_dump(new a()); var_dump(new b()); a(); b(); var_dump(a); var_dump(b); } namespace Php7 { use Foo\Bar\{a, b}; use function Foo\Bar\{a, b}; use const Foo\Bar\{a, b}; echo "\n" . __NAMESPACE__ . "\n"; var_dump(new a()); var_dump(new b()); a(); b(); var_dump(a); var_dump(b); } namespace Php7Mixed { use Foo\Bar\{a, b, function a, function b, const a, const b}; echo "\n" . __NAMESPACE__ . "\n"; var_dump(new a()); var_dump(new b()); a(); b(); var_dump(a); var_dump(b); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BFrkc
function name:  (null)
number of ops:  72
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   DECLARE_CONST                                            'Foo%5CBar%5Ca', 1
    9     1        DECLARE_CONST                                            'Foo%5CBar%5Cb', 2
   20     2        ECHO                                                     '%0APrePhp7%0A'
   21     3        INIT_NS_FCALL_BY_NAME                                    'PrePhp7%5Cvar_dump'
          4        NEW                                              $0      'Foo%5CBar%5Ca'
          5        DO_FCALL                                      0          
          6        SEND_VAR_NO_REF_EX                                       $0
          7        DO_FCALL                                      0          
   22     8        INIT_NS_FCALL_BY_NAME                                    'PrePhp7%5Cvar_dump'
          9        NEW                                              $3      'Foo%5CBar%5Cb'
         10        DO_FCALL                                      0          
         11        SEND_VAR_NO_REF_EX                                       $3
         12        DO_FCALL                                      0          
   23    13        INIT_FCALL                                               'foo%5Cbar%5Ca'
         14        DO_FCALL                                      0          
   24    15        INIT_FCALL                                               'foo%5Cbar%5Cb'
         16        DO_FCALL                                      0          
   25    17        INIT_NS_FCALL_BY_NAME                                    'PrePhp7%5Cvar_dump'
         18        FETCH_CONSTANT                                   ~8      'Foo%5CBar%5Ca'
         19        SEND_VAL_EX                                              ~8
         20        DO_FCALL                                      0          
   26    21        INIT_NS_FCALL_BY_NAME                                    'PrePhp7%5Cvar_dump'
         22        FETCH_CONSTANT                                   ~10     'Foo%5CBar%5Cb'
         23        SEND_VAL_EX                                              ~10
         24        DO_FCALL                                      0          
   34    25        ECHO                                                     '%0APhp7%0A'
   35    26        INIT_NS_FCALL_BY_NAME                                    'Php7%5Cvar_dump'
         27        NEW                                              $12     'Foo%5CBar%5Ca'
         28        DO_FCALL                                      0          
         29        SEND_VAR_NO_REF_EX                                       $12
         30        DO_FCALL                                      0          
   36    31        INIT_NS_FCALL_BY_NAME                                    'Php7%5Cvar_dump'
         32        NEW                                              $15     'Foo%5CBar%5Cb'
         33        DO_FCALL                                      0          
         34        SEND_VAR_NO_REF_EX                                       $15
         35        DO_FCALL                                      0          
   37    36        INIT_FCALL                                               'foo%5Cbar%5Ca'
         37        DO_FCALL                                      0          
   38    38        INIT_FCALL                                               'foo%5Cbar%5Cb'
         39        DO_FCALL                                      0          
   39    40        INIT_NS_FCALL_BY_NAME                                    'Php7%5Cvar_dump'
         41        FETCH_CONSTANT                                   ~20     'Foo%5CBar%5Ca'
         42        SEND_VAL_EX                                              ~20
         43        DO_FCALL                                      0          
   40    44        INIT_NS_FCALL_BY_NAME                                    'Php7%5Cvar_dump'
         45        FETCH_CONSTANT                                   ~22     'Foo%5CBar%5Cb'
         46        SEND_VAL_EX                                              ~22
         47        DO_FCALL                                      0          
   46    48        ECHO                                                     '%0APhp7Mixed%0A'
   47    49        INIT_NS_FCALL_BY_NAME                                    'Php7Mixed%5Cvar_dump'
         50        NEW                                              $24     'Foo%5CBar%5Ca'
         51        DO_FCALL                                      0          
         52        SEND_VAR_NO_REF_EX                                       $24
         53        DO_FCALL                                      0          
   48    54        INIT_NS_FCALL_BY_NAME                                    'Php7Mixed%5Cvar_dump'
         55        NEW                                              $27     'Foo%5CBar%5Cb'
         56        DO_FCALL                                      0          
         57        SEND_VAR_NO_REF_EX                                       $27
         58        DO_FCALL                                      0          
   49    59        INIT_FCALL                                               'foo%5Cbar%5Ca'
         60        DO_FCALL                                      0          
   50    61        INIT_FCALL                                               'foo%5Cbar%5Cb'
         62        DO_FCALL                                      0          
   51    63        INIT_NS_FCALL_BY_NAME                                    'Php7Mixed%5Cvar_dump'
         64        FETCH_CONSTANT                                   ~32     'Foo%5CBar%5Ca'
         65        SEND_VAL_EX                                              ~32
         66        DO_FCALL                                      0          
   52    67        INIT_NS_FCALL_BY_NAME                                    'Php7Mixed%5Cvar_dump'
         68        FETCH_CONSTANT                                   ~34     'Foo%5CBar%5Cb'
         69        SEND_VAL_EX                                              ~34
         70        DO_FCALL                                      0          
   53    71      > RETURN                                                   1

Function foo%5Cbar%5Ca:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BFrkc
function name:  Foo\Bar\a
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_NS_FCALL_BY_NAME                                    'Foo%5CBar%5Cvar_dump'
          1        SEND_VAL_EX                                              'Foo%5CBar%5Ca'
          2        DO_FCALL                                      0          
          3      > RETURN                                                   null

End of function foo%5Cbar%5Ca

Function foo%5Cbar%5Cb:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BFrkc
function name:  Foo\Bar\b
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_NS_FCALL_BY_NAME                                    'Foo%5CBar%5Cvar_dump'
          1        SEND_VAL_EX                                              'Foo%5CBar%5Cb'
          2        DO_FCALL                                      0          
          3      > RETURN                                                   null

End of function foo%5Cbar%5Cb

Class Foo\Bar\a: [no user functions]
Class Foo\Bar\b: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.62 ms | 1407 KiB | 21 Q