3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = new \ReflectionClass(\DateTime::class); $p = $r->getConstructor()->getParameters(); foreach($p as $arg){ var_dump($arg->getName()); var_dump($arg->isDefaultValueAvailable()); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 22
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 22
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 22
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 22
filename:       /in/TAYFd
function name:  (null)
number of ops:  24
compiled vars:  !0 = $r, !1 = $p, !2 = $arg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   NEW                                              $3      'ReflectionClass'
          1        SEND_VAL_EX                                              'DateTime'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    7     4        INIT_METHOD_CALL                                         !0, 'getConstructor'
          5        DO_FCALL                                      0  $6      
          6        INIT_METHOD_CALL                                         $6, 'getParameters'
          7        DO_FCALL                                      0  $7      
          8        ASSIGN                                                   !1, $7
    9     9      > FE_RESET_R                                       $9      !1, ->22
         10    > > FE_FETCH_R                                               $9, !2, ->22
   10    11    >   INIT_FCALL                                               'var_dump'
         12        INIT_METHOD_CALL                                         !2, 'getName'
         13        DO_FCALL                                      0  $10     
         14        SEND_VAR                                                 $10
         15        DO_ICALL                                                 
   11    16        INIT_FCALL                                               'var_dump'
         17        INIT_METHOD_CALL                                         !2, 'isDefaultValueAvailable'
         18        DO_FCALL                                      0  $12     
         19        SEND_VAR                                                 $12
         20        DO_ICALL                                                 
    9    21      > JMP                                                      ->10
         22    >   FE_FREE                                                  $9
   12    23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.01 ms | 1005 KiB | 14 Q