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<?php $psr4 = array( 'my\\first\\ns\\prefix\\' => 0, 'my\\second\\ns\\prefix\\' => 0, 'my\\third\\ns\prefix' => 0, ); foreach ($psr4 as $prefix => &$v) { $v = strlen($prefix); } $classes = array( 'my\\third\\ns\\prefix\\subns\\class', 'another\\ns\\prefix\\subns\\class', ); for ($i = 0; $i < 2000; $i++) { foreach ($classes as $class) { foreach ($psr4 as $prefix => $length) { if (!strncmp($class, $prefix, $length)) { //echo "$class -> $prefix\n"; break; } } } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 7
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 29
Branch analysis from position: 29
2 jumps found. (Code = 44) Position 1 = 31, Position 2 = 11
Branch analysis from position: 31
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
2 jumps found. (Code = 77) Position 1 = 12, Position 2 = 27
Branch analysis from position: 12
2 jumps found. (Code = 78) Position 1 = 13, Position 2 = 27
Branch analysis from position: 13
2 jumps found. (Code = 77) Position 1 = 14, Position 2 = 25
Branch analysis from position: 14
2 jumps found. (Code = 78) Position 1 = 15, Position 2 = 25
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 23, Position 2 = 24
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 25
Branch analysis from position: 25
Branch analysis from position: 27
2 jumps found. (Code = 44) Position 1 = 31, Position 2 = 11
Branch analysis from position: 31
Branch analysis from position: 11
Branch analysis from position: 27
Branch analysis from position: 7
filename:       /in/kJsE1
function name:  (null)
number of ops:  32
compiled vars:  !0 = $psr4, !1 = $v, !2 = $prefix, !3 = $classes, !4 = $i, !5 = $class, !6 = $length
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1      > FE_RESET_RW                                      $8      !0, ->7
          2    > > FE_FETCH_RW                                      ~9      $8, !1, ->7
          3    >   ASSIGN                                                   !2, ~9
    9     4        STRLEN                                           ~11     !2
          5        ASSIGN                                                   !1, ~11
    8     6      > JMP                                                      ->2
          7    >   FE_FREE                                                  $8
   12     8        ASSIGN                                                   !3, <array>
   17     9        ASSIGN                                                   !4, 0
         10      > JMP                                                      ->29
   18    11    > > FE_RESET_R                                       $15     !3, ->27
         12    > > FE_FETCH_R                                               $15, !5, ->27
   19    13    > > FE_RESET_R                                       $16     !0, ->25
         14    > > FE_FETCH_R                                       ~17     $16, !6, ->25
         15    >   ASSIGN                                                   !2, ~17
   20    16        INIT_FCALL                                               'strncmp'
         17        SEND_VAR                                                 !5
         18        SEND_VAR                                                 !2
         19        SEND_VAR                                                 !6
         20        DO_ICALL                                         $19     
         21        BOOL_NOT                                         ~20     $19
         22      > JMPZ                                                     ~20, ->24
   22    23    > > JMP                                                      ->25
   19    24    > > JMP                                                      ->14
         25    >   FE_FREE                                                  $16
   18    26      > JMP                                                      ->12
         27    >   FE_FREE                                                  $15
   17    28        PRE_INC                                                  !4
         29    >   IS_SMALLER                                               !4, 2000
         30      > JMPNZ                                                    ~22, ->11
   26    31    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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322.56 ms | 1400 KiB | 16 Q