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<?php $query = "'to_date('20-Jan-1970 4:00 AM','DD-MON-YYYY HH:MI AM')'"; $result = preg_replace("/(['])(to_date[(].*[)])(['])/i", "${2}", $query); var_dump($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vMs1S
function name:  (null)
number of ops:  12
compiled vars:  !0 = $query, !1 = $result, !2 = $2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%27to_date%28%2720-Jan-1970+4%3A00+AM%27%2C%27DD-MON-YYYY+HH%3AMI+AM%27%29%27'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%28%5B%27%5D%29%28to_date%5B%28%5D.%2A%5B%29%5D%29%28%5B%27%5D%29%2Fi'
          3        CAST                                          6  ~4      !2
          4        SEND_VAL                                                 ~4
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !1, $5
    5     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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