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<?php if ( "0" === NULL ) { echo "da"; } else { echo "nu"; }
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = 1, Position 2 = 3
Branch analysis from position: 1
Jump found. Position 1 = 4
Branch analysis from position: 4
Jump found. Position 1 = -2
Branch analysis from position: 3
Jump found. Position 1 = -2
filename:       /in/XWE55
function name:  (null)
number of ops:  5
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E > > JMPZ                                                     <false>, ->3
         1    >   ECHO                                                     'da'
         2      > JMP                                                      ->4
         3    >   ECHO                                                     'nu'
         4    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0