3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo(string $str){ var_dump("I am a string --> ", $str); } foo(false);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PXt64
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                                   'foo'
          1        SEND_VAL                                                     <false>
          2        DO_FCALL                                          0          
          3      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PXt64
function name:  foo
number of ops:  6
compiled vars:  !0 = $str
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        INIT_FCALL                                                   'var_dump'
          2        SEND_VAL                                                     'I+am+a+string+--%3E+'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                                     
    5     5      > RETURN                                                       null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
172.09 ms | 2892 KiB | 15 Q