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<?php // Comparison function function cmp($a, $b) { if ($a == $b) { return 0; } return ($a < $b) ? -1 : 1; } // Array to be sorted $array = array('a' => 4, 'b' => 8, 'c' => -1, 'd' => -9, 'e' => 2, 'f' => 5, 'g' => 3, 'h' => -4); print_r($array); // Sort and print the resulting array uasort($array, 'cmp'); print_r($array); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/umFH6
function name:  (null)
number of ops:  12
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   ASSIGN                                                   !0, <array>
   13     1        INIT_FCALL                                               'print_r'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   16     4        INIT_FCALL                                               'uasort'
          5        SEND_REF                                                 !0
          6        SEND_VAL                                                 'cmp'
          7        DO_ICALL                                                 
   17     8        INIT_FCALL                                               'print_r'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
   19    11      > RETURN                                                   1

Function cmp:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/umFH6
function name:  cmp
number of ops:  12
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        IS_EQUAL                                                 !0, !1
          3      > JMPZ                                                     ~2, ->5
    6     4    > > RETURN                                                   0
    8     5    >   IS_SMALLER                                               !0, !1
          6      > JMPZ                                                     ~3, ->9
          7    >   QM_ASSIGN                                        ~4      -1
          8      > JMP                                                      ->10
          9    >   QM_ASSIGN                                        ~4      1
         10    > > RETURN                                                   ~4
    9    11*     > RETURN                                                   null

End of function cmp

Generated using Vulcan Logic Dumper, using php 8.0.0


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