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Bugs & Features
<?php var_export( getimagesize( 'data:image/png;base64,iVBORw0KGgoAAA ANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4 //8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU 5ErkJggg==' ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hMq3O
function name:  (null)
number of ops:  7
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'var_export'
   4     1        INIT_FCALL                                               'getimagesize'
   5     2        SEND_VAL                                                 'data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAA%0AANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4%0A%2F%2F8%2Fw38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU%0A5ErkJggg%3D%3D'
         3        DO_ICALL                                         $0      
         4        SEND_VAR                                                 $0
         5        DO_ICALL                                                 
  10     6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0