3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace a; $a = []; if(is_int($a)) { echo 'asd'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/kNdrS
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, <array>
    7     1        INIT_NS_FCALL_BY_NAME                                    'a%5Cis_int'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0  $2      
          4      > JMPZ                                                     $2, ->6
    8     5    >   ECHO                                                     'asd'
    9     6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.72 ms | 1393 KiB | 15 Q