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<?php $string = 'ab.cd.ef.gh.ij.kl.mn.op.qr'; $split = array_map( function($value) { return implode('.', $value); }, array_chunk(explode('.', $string), 2) ); var_dump($split);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fe4kt
function name:  (null)
number of ops:  19
compiled vars:  !0 = $string, !1 = $split
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'ab.cd.ef.gh.ij.kl.mn.op.qr'
    5     1        INIT_FCALL                                                   'array_map'
    6     2        DECLARE_LAMBDA_FUNCTION                              ~3      [0]
    8     3        SEND_VAL                                                     ~3
    9     4        INIT_FCALL                                                   'array_chunk'
          5        INIT_FCALL                                                   'explode'
          6        SEND_VAL                                                     '.'
          7        SEND_VAR                                                     !0
          8        DO_ICALL                                             $4      
          9        SEND_VAR                                                     $4
         10        SEND_VAL                                                     2
         11        DO_ICALL                                             $5      
         12        SEND_VAR                                                     $5
    5    13        DO_ICALL                                             $6      
         14        ASSIGN                                                       !1, $6
   12    15        INIT_FCALL                                                   'var_dump'
         16        SEND_VAR                                                     !1
         17        DO_ICALL                                                     
         18      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fe4kt
function name:  {closure:/in/fe4kt:6}
number of ops:  4
compiled vars:  !0 = $value
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
    7     1        FRAMELESS_ICALL_2                implode             ~1      '.', !0
          2      > RETURN                                                       ~1
    8     3*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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174.16 ms | 2791 KiB | 17 Q