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<?php echo date('F',strtotime("last February"));
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/1Uc0a
function name:  (null)
number of ops:  9
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   INIT_FCALL                                               'date'
         1        SEND_VAL                                                 'F'
         2        INIT_FCALL                                               'strtotime'
         3        SEND_VAL                                                 'last+February'
         4        DO_ICALL                                         $0      
         5        SEND_VAR                                                 $0
         6        DO_ICALL                                         $1      
         7        ECHO                                                     $1
         8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0