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<?php $image = imagecreatefromjpeg('/path/to/picture.jpg'); $matrix = array(array(-1, -1, -1), array(-1, 20, -1), array(-1, -1, -1)); $divisor = array_sum(array_map('array_sum', $matrix)); imageconvolution($image, $matrix, $divisor, 0); echo imagecolorat($image, 0, 0);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Pm4r2
function name:  (null)
number of ops:  26
compiled vars:  !0 = $image, !1 = $matrix, !2 = $divisor
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL_BY_NAME                                       'imagecreatefromjpeg'
          1        SEND_VAL_EX                                              '%2Fpath%2Fto%2Fpicture.jpg'
          2        DO_FCALL                                      0  $3      
          3        ASSIGN                                                   !0, $3
    3     4        ASSIGN                                                   !1, <array>
    4     5        INIT_FCALL                                               'array_sum'
          6        INIT_FCALL                                               'array_map'
          7        SEND_VAL                                                 'array_sum'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $6      
         10        SEND_VAR                                                 $6
         11        DO_ICALL                                         $7      
         12        ASSIGN                                                   !2, $7
    5    13        INIT_FCALL_BY_NAME                                       'imageconvolution'
         14        SEND_VAR_EX                                              !0
         15        SEND_VAR_EX                                              !1
         16        SEND_VAR_EX                                              !2
         17        SEND_VAL_EX                                              0
         18        DO_FCALL                                      0          
    6    19        INIT_FCALL_BY_NAME                                       'imagecolorat'
         20        SEND_VAR_EX                                              !0
         21        SEND_VAL_EX                                              0
         22        SEND_VAL_EX                                              0
         23        DO_FCALL                                      0  $10     
         24        ECHO                                                     $10
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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