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<?php $a1 = array( 'one', 'two', 'three', 'four' ); $a2 = array_diff($a1, $a1); var_dump($a2); $a2[] = 'five'; var_dump($a2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/saY9l
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a1, !1 = $a2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'array_diff'
          2        SEND_VAR                                                 !0
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
   10     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
   12     9        ASSIGN_DIM                                               !1
         10        OP_DATA                                                  'five'
   13    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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