3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3,4,5,6,1,2,3,4,5,6]; $f = function($a,$b) { return $a <=> $b; }; uasort($a, $f); print_r($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jFpl1
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FjFpl1%3A5%240'
          2        ASSIGN                                                   !1, ~3
    9     3        INIT_FCALL                                               'uasort'
          4        SEND_REF                                                 !0
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                                 
   11     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FjFpl1%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jFpl1
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    6     2        SPACESHIP                                        ~2      !0, !1
          3      > RETURN                                                   ~2
    7     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FjFpl1%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
210.26 ms | 1395 KiB | 17 Q