3v4l.org

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

Function takesastring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZitZa
function name:  takesAString
number of ops:  2
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    5     1      > RETURN                                                       null

End of function takesastring

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
157.17 ms | 1779 KiB | 13 Q