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<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f'); //$str = implode(array_walk(array_reverse($arr), function($v,$k){if($k%3==0)$v.=';';})); //print_r(array_map(function($v){if($k%3==0)$v.=';';}), array_reverse($arr)); $str = str_chunk(implode(array_reverse($arr)), 3, ';'); echo $str;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2cjVo
function name:  (null)
number of ops:  15
compiled vars:  !0 = $arr, !1 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL_BY_NAME                                       'str_chunk'
          2        INIT_FCALL                                               'implode'
          3        INIT_FCALL                                               'array_reverse'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        SEND_VAR                                                 $3
          7        DO_ICALL                                         $4      
          8        SEND_VAR_NO_REF_EX                                       $4
          9        SEND_VAL_EX                                              3
         10        SEND_VAL_EX                                              '%3B'
         11        DO_FCALL                                      0  $5      
         12        ASSIGN                                                   !1, $5
    6    13        ECHO                                                     !1
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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