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<?php $arr = array( array( ), array() ); $filter = array_filter($arr); print_r($filter); var_dump(empty($filter));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QLZFT
function name:  (null)
number of ops:  13
compiled vars:  !0 = $arr, !1 = $filter
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    7     1        INIT_FCALL                                               'array_filter'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    8     5        INIT_FCALL                                               'print_r'
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                                 
    9     8        INIT_FCALL                                               'var_dump'
          9        ISSET_ISEMPTY_CV                                 ~6      !1
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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