3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = array('a'=>'x', 't'=>'b', 'c'=>'z'); $y = array(1,2,3); var_dump(array_combine($x, $y));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9FGIN
function name:  (null)
number of ops:  10
compiled vars:  !0 = $x, !1 = $y
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   ASSIGN                                                   !0, <array>
   3     1        ASSIGN                                                   !1, <array>
   4     2        INIT_FCALL                                               'var_dump'
         3        INIT_FCALL                                               'array_combine'
         4        SEND_VAR                                                 !0
         5        SEND_VAR                                                 !1
         6        DO_ICALL                                         $4      
         7        SEND_VAR                                                 $4
         8        DO_ICALL                                                 
         9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0