3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ["600" => 0, "aaa" => 1]; ksort($array, SORT_REGULAR); var_dump($array); var_dump(array_key_first($array) <=> array_key_last($array));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NUN7o
function name:  (null)
number of ops:  19
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'ksort'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 0
          4        DO_ICALL                                                 
    6     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    7     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'array_key_first'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $4      
         12        INIT_FCALL                                               'array_key_last'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                         $5      
         15        SPACESHIP                                        ~6      $4, $5
         16        SEND_VAL                                                 ~6
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.62 ms | 1394 KiB | 21 Q