3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($bar, ...$baz) { var_dump(array_merge([$bar], $baz)); } foo('a', ...[0 => 'b', 2 => 'c']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/d5RvE
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 'a'
          2        SEND_UNPACK                                              <array>
          3        CHECK_UNDEF_ARGS                                         
          4        DO_FCALL                                      1          
          5      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/d5RvE
function name:  foo
number of ops:  11
compiled vars:  !0 = $bar, !1 = $baz
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_VARIADIC                                    !1      
    4     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'array_merge'
          4        INIT_ARRAY                                       ~2      !0
          5        SEND_VAL                                                 ~2
          6        SEND_VAR                                                 !1
          7        DO_ICALL                                         $3      
          8        SEND_VAR                                                 $3
          9        DO_ICALL                                                 
    5    10      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
134.07 ms | 1013 KiB | 16 Q