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<?php $class="OC_App"; echo strpos($class, 'OC_');
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/cYhR0
function name:  (null)
number of ops:  7
compiled vars:  !0 = $class
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, 'OC_App'
   3     1        INIT_FCALL                                               'strpos'
         2        SEND_VAR                                                 !0
         3        SEND_VAL                                                 'OC_'
         4        DO_ICALL                                         $2      
         5        ECHO                                                     $2
         6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0