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<?php $hexColorCode = '#ffffff'; $start = microtime(TRUE); str_replace('#', '', $hexColorCode); $end = microtime(TRUE); echo $end - $start; echo "\n----"; $start = microtime(TRUE); ltrim($hexColorCode, '#'); $end = microtime(TRUE); echo $end - $start;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CoeRT
function name:  (null)
number of ops:  30
compiled vars:  !0 = $hexColorCode, !1 = $start, !2 = $end
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '%23ffffff'
    5     1        INIT_FCALL                                                   'microtime'
          2        SEND_VAL                                                     <true>
          3        DO_ICALL                                             $4      
          4        ASSIGN                                                       !1, $4
    6     5        FRAMELESS_ICALL_3                str_replace         ~6      '%23', ''
          6        OP_DATA                                                      !0
          7        FREE                                                         ~6
    7     8        INIT_FCALL                                                   'microtime'
          9        SEND_VAL                                                     <true>
         10        DO_ICALL                                             $7      
         11        ASSIGN                                                       !2, $7
    8    12        SUB                                                  ~9      !2, !1
         13        ECHO                                                         ~9
    9    14        ECHO                                                         '%0A----'
   10    15        INIT_FCALL                                                   'microtime'
         16        SEND_VAL                                                     <true>
         17        DO_ICALL                                             $10     
         18        ASSIGN                                                       !1, $10
   11    19        INIT_FCALL                                                   'ltrim'
         20        SEND_VAR                                                     !0
         21        SEND_VAL                                                     '%23'
         22        DO_ICALL                                                     
   12    23        INIT_FCALL                                                   'microtime'
         24        SEND_VAL                                                     <true>
         25        DO_ICALL                                             $13     
         26        ASSIGN                                                       !2, $13
   13    27        SUB                                                  ~15     !2, !1
         28        ECHO                                                         ~15
         29      > RETURN                                                       1

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