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<?php $input; var_dump(count($input));
based on sQETi
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/VJVpU
function name:  (null)
number of ops:  7
compiled vars:  !0 = $input
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   4     0  E >   INIT_FCALL                                               'var_dump'
         1        INIT_FCALL                                               'count'
         2        SEND_VAR                                                 !0
         3        DO_ICALL                                         $1      
         4        SEND_VAR                                                 $1
         5        DO_ICALL                                                 
         6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0