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<?php $start = microtime(true); for ($i = 0; $i < 10000000; $i++) { 2 ** 16; } echo "Pow operator: " . (microtime(true) - $start) . "\n"; $start = microtime(true); for ($i = 0; $i < 10000000; $i++) { pow(2, 16); } echo "Pow function: " . (microtime(true) - $start) . "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 6
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
2 jumps found. (Code = 44) Position 1 = 29, Position 2 = 22
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 29, Position 2 = 22
Branch analysis from position: 29
Branch analysis from position: 22
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 6
Branch analysis from position: 9
Branch analysis from position: 6
filename:       /in/LMRcp
function name:  (null)
number of ops:  37
compiled vars:  !0 = $start, !1 = $i
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                                   'microtime'
          1        SEND_VAL                                                     <true>
          2        DO_ICALL                                             $2      
          3        ASSIGN                                                       !0, $2
    3     4        ASSIGN                                                       !1, 0
          5      > JMP                                                          ->7
          6    >   PRE_INC                                                      !1
          7    >   IS_SMALLER                                                   !1, 10000000
          8      > JMPNZ                                                        ~6, ->6
    6     9    >   INIT_FCALL                                                   'microtime'
         10        SEND_VAL                                                     <true>
         11        DO_ICALL                                             $7      
         12        SUB                                                  ~8      $7, !0
         13        CONCAT                                               ~9      'Pow+operator%3A+', ~8
         14        CONCAT                                               ~10     ~9, '%0A'
         15        ECHO                                                         ~10
    8    16        INIT_FCALL                                                   'microtime'
         17        SEND_VAL                                                     <true>
         18        DO_ICALL                                             $11     
         19        ASSIGN                                                       !0, $11
    9    20        ASSIGN                                                       !1, 0
         21      > JMP                                                          ->27
   10    22    >   INIT_FCALL                                                   'pow'
         23        SEND_VAL                                                     2
         24        SEND_VAL                                                     16
         25        DO_ICALL                                                     
    9    26        PRE_INC                                                      !1
         27    >   IS_SMALLER                                                   !1, 10000000
         28      > JMPNZ                                                        ~16, ->22
   12    29    >   INIT_FCALL                                                   'microtime'
         30        SEND_VAL                                                     <true>
         31        DO_ICALL                                             $17     
         32        SUB                                                  ~18     $17, !0
         33        CONCAT                                               ~19     'Pow+function%3A+', ~18
         34        CONCAT                                               ~20     ~19, '%0A'
         35        ECHO                                                         ~20
         36      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
156.86 ms | 1298 KiB | 15 Q