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<?php $id = '1--2--3'; var_dump(implode('--',array_pop(explode('--',$id))));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ARsW0
function name:  (null)
number of ops:  16
compiled vars:  !0 = $id
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1--2--3'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'implode'
          3        SEND_VAL                                                 '--'
          4        INIT_FCALL                                               'array_pop'
          5        INIT_FCALL                                               'explode'
          6        SEND_VAL                                                 '--'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $2      
          9        SEND_VAR_NO_REF                               0          $2
         10        DO_ICALL                                         $3      
         11        SEND_VAR                                                 $3
         12        DO_ICALL                                         $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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