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<?php var_dump(!!('' != null)); var_dump((null != '')); var_dump(!!(''));
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/ITSmU
function name:  (null)
number of ops:  10
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'var_dump'
         1        SEND_VAL                                                 <false>
         2        DO_ICALL                                                 
   4     3        INIT_FCALL                                               'var_dump'
         4        SEND_VAL                                                 <false>
         5        DO_ICALL                                                 
   5     6        INIT_FCALL                                               'var_dump'
         7        SEND_VAL                                                 <false>
         8        DO_ICALL                                                 
         9      > RETURN                                                   1

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