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<?php $words = array('Le', 'le', 'La', 'la', 'Lu', 'lu'); usort( $words, function ($a, $b) { return mb_strlen($b) - mb_strlen($a); } ); print_r($words);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4tGv6
function name:  (null)
number of ops:  10
compiled vars:  !0 = $words
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'usort'
    5     2        SEND_REF                                                 !0
    6     3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
    8     4        SEND_VAL                                                 ~2
    4     5        DO_ICALL                                                 
   11     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > 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/4tGv6
function name:  {closure}
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    7     2        INIT_FCALL                                               'mb_strlen'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                         $2      
          5        INIT_FCALL                                               'mb_strlen'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $3      
          8        SUB                                              ~4      $2, $3
          9      > RETURN                                                   ~4
    8    10*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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