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<?= [preg_match_all('/(.).?/u', 'アローラロコン', $m), implode($m[1])][1] ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7aS79
function name:  (null)
number of ops:  14
compiled vars:  !0 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   INIT_FCALL                                               'preg_match_all'
          1        SEND_VAL                                                 '%2F%28.%29.%3F%2Fu'
          2        SEND_VAL                                                 '%E3%82%A2%E3%83%AD%E3%83%BC%E3%83%A9%E3%83%AD%E3%82%B3%E3%83%B3'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                         $1      
          5        INIT_ARRAY                                       ~2      $1
          6        INIT_FCALL                                               'implode'
          7        FETCH_DIM_R                                      ~3      !0, 1
          8        SEND_VAL                                                 ~3
          9        DO_ICALL                                         $4      
         10        ADD_ARRAY_ELEMENT                                ~2      $4
         11        FETCH_DIM_R                                      ~5      ~2, 1
         12        ECHO                                                     ~5
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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