3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $coverageList = [1=>0]; var_dump(array_flip($a)); var_dump($coverageList); var_dump(array_diff_key(array_flip($a), $coverageList)); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t3al2
function name:  (null)
number of ops:  22
compiled vars:  !0 = $a, !1 = $coverageList
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    5     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'array_flip'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
    7    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'array_diff_key'
         13        INIT_FCALL                                               'array_flip'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                         $7      
         16        SEND_VAR                                                 $7
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                         $8      
         19        SEND_VAR                                                 $8
         20        DO_ICALL                                                 
    9    21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
183.95 ms | 1395 KiB | 19 Q