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<?php $filtered = array_filter(['1', '2'], function(){ return true; }); echo end($filtered);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pheUv
function name:  (null)
number of ops:  11
compiled vars:  !0 = $filtered
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'array_filter'
          1        SEND_VAL                                                 <array>
          2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FpheUv%3A3%240'
    5     3        SEND_VAL                                                 ~1
          4        DO_ICALL                                         $2      
    3     5        ASSIGN                                                   !0, $2
    6     6        INIT_FCALL                                               'end'
          7        SEND_REF                                                 !0
          8        DO_ICALL                                         $4      
          9        ECHO                                                     $4
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FpheUv%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pheUv
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                   <true>
    5     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FpheUv%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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