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<?php function sort_start_ascending( $a, $b ) { return $a['start'] - $b['start']; } $array = array( array( 'name' => 'first', 'start' => 4 ), array( 'name' => 'second', 'start' => 4 ), ); usort( $array, 'sort_start_ascending' ); print_r( $array );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JO7urg
function name:  (null)
number of ops:  9
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, <array>
   17     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'sort_start_ascending'
          4        DO_ICALL                                                 
   19     5        INIT_FCALL                                               'print_r'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function sort_start_ascending:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JO7urg
function name:  sort_start_ascending
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        FETCH_DIM_R                                      ~2      !0, 'start'
          3        FETCH_DIM_R                                      ~3      !1, 'start'
          4        SUB                                              ~4      ~2, ~3
          5      > RETURN                                                   ~4
    5     6*     > RETURN                                                   null

End of function sort_start_ascending

Generated using Vulcan Logic Dumper, using php 8.0.0


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