3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array(5.01,5.1,5.2,5.4,5.3,5.5,4.2,4.05,6.9); function sortByOrder($a, $b) { return ceil($a - $b); } usort($test, 'sortByOrder'); print_r($test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KJh1s
function name:  (null)
number of ops:  9
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'usort'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'sortByOrder'
          4        DO_ICALL                                                 
   10     5        INIT_FCALL                                               'print_r'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function sortbyorder:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KJh1s
function name:  sortByOrder
number of ops:  8
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        INIT_FCALL                                               'ceil'
          3        SUB                                              ~2      !0, !1
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                         $3      
          6      > RETURN                                                   $3
    6     7*     > RETURN                                                   null

End of function sortbyorder

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.7 ms | 1395 KiB | 19 Q