3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Initial Configuration global $aHash; $i = 0; $tmp = ''; while($i < 10000) { $tmp .= 'a'; ++$i; } $aHash = array_fill(100000000000000000000000, 100, $tmp); unset($i, $tmp); // Test Source function Test1_9() { global $aHash; /* The Test */ $t = microtime(true); reset($aHash); for ($i=0; $i<=5; $i++) echo $aHash[$i]; return (microtime(true) - $t); } // Variable Clean-up function Test1_End() { global $aHash; unset($aHash); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 4
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 44) Position 1 = 8, Position 2 = 4
Branch analysis from position: 8
Branch analysis from position: 4
filename:       /in/mrhEB
function name:  (null)
number of ops:  17
compiled vars:  !0 = $aHash, !1 = $i, !2 = $tmp
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   BIND_GLOBAL                                              !0, 'aHash'
    5     1        ASSIGN                                                   !1, 0
    6     2        ASSIGN                                                   !2, ''
    7     3      > JMP                                                      ->6
    8     4    >   ASSIGN_OP                                     8          !2, 'a'
    9     5        PRE_INC                                                  !1
    7     6    >   IS_SMALLER                                               !1, 10000
          7      > JMPNZ                                                    ~7, ->4
   11     8    >   INIT_FCALL                                               'array_fill'
          9        SEND_VAL                                                 1.0e+23
         10        SEND_VAL                                                 100
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                         $8      
         13        ASSIGN                                                   !0, $8
   12    14        UNSET_CV                                                 !1
         15        UNSET_CV                                                 !2
   31    16      > RETURN                                                   1

Function test1_9:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 10
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 10
Branch analysis from position: 15
Branch analysis from position: 10
filename:       /in/mrhEB
function name:  Test1_9
number of ops:  21
compiled vars:  !0 = $aHash, !1 = $t, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   BIND_GLOBAL                                              !0, 'aHash'
   19     1        INIT_FCALL                                               'microtime'
          2        SEND_VAL                                                 <true>
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
   20     5        INIT_FCALL                                               'reset'
          6        SEND_REF                                                 !0
          7        DO_ICALL                                                 
   22     8        ASSIGN                                                   !2, 0
          9      > JMP                                                      ->13
         10    >   FETCH_DIM_R                                      ~7      !0, !2
         11        ECHO                                                     ~7
         12        PRE_INC                                                  !2
         13    >   IS_SMALLER_OR_EQUAL                                      !2, 5
         14      > JMPNZ                                                    ~9, ->10
   24    15    >   INIT_FCALL                                               'microtime'
         16        SEND_VAL                                                 <true>
         17        DO_ICALL                                         $10     
         18        SUB                                              ~11     $10, !1
         19      > RETURN                                                   ~11
   25    20*     > RETURN                                                   null

End of function test1_9

Function test1_end:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mrhEB
function name:  Test1_End
number of ops:  3
compiled vars:  !0 = $aHash
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   BIND_GLOBAL                                              !0, 'aHash'
   30     1        UNSET_CV                                                 !0
   31     2      > RETURN                                                   null

End of function test1_end

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.96 ms | 1400 KiB | 19 Q