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<?php function example($foo) { print $foo; } // Prints ``, nothing. example(null); // Prints `1`, boolean is cast to integer and cast to a string. example(true); // Prints `0` example(0); // Fatal error: Object of class stdClass could not be converted to string. example(new \stdClass);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ih38v
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                                   'example'
          1        SEND_VAL                                                     null
          2        DO_FCALL                                          0          
   12     3        INIT_FCALL                                                   'example'
          4        SEND_VAL                                                     <true>
          5        DO_FCALL                                          0          
   15     6        INIT_FCALL                                                   'example'
          7        SEND_VAL                                                     0
          8        DO_FCALL                                          0          
   18     9        INIT_FCALL                                                   'example'
         10        NEW                                                  $3      'stdClass'
         11        DO_FCALL                                          0          
         12        SEND_VAR                                                     $3
         13        DO_FCALL                                          0          
         14      > RETURN                                                       1

Function example:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ih38v
function name:  example
number of ops:  3
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    5     1        ECHO                                                         !0
    6     2      > RETURN                                                       null

End of function example

Generated using Vulcan Logic Dumper, using php 8.5.0


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