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<?php $array = [ 'Adolf', 'Doe', 'adept', 'Done', 'dear', 'adopt', 'Deer' ]; $startsWith = 'do'; array_multisort( array_map(fn($v) => stripos($v, $startsWith) !== 0, $array), $array, SORT_STRING | SORT_FLAG_CASE, $array ); var_export($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/E7knk
function name:  (null)
number of ops:  18
compiled vars:  !0 = $array, !1 = $startsWith
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   13     1        ASSIGN                                                   !1, 'do'
   15     2        INIT_FCALL                                               'array_multisort'
   16     3        INIT_FCALL                                               'array_map'
          4        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
          5        BIND_LEXICAL                                             ~4, !1
          6        SEND_VAL                                                 ~4
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $5      
          9        SEND_VAL                                                 $5
   17    10        SEND_REF                                                 !0
   18    11        SEND_VAL                                                 10
   19    12        SEND_REF                                                 !0
   15    13        DO_ICALL                                                 
   21    14        INIT_FCALL                                               'var_export'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
         17      > 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/E7knk
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $v, !1 = $startsWith
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2        INIT_FCALL                                               'stripos'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_ICALL                                         $2      
          6        IS_NOT_IDENTICAL                                 ~3      $2, 0
          7      > RETURN                                                   ~3
          8*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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