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<?php function foo() { return null; yield 1; } var_dump( foo() );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YgDnb
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'foo'
          2        DO_FCALL                                          0  $0      
          3        SEND_VAR                                                     $0
          4        DO_ICALL                                                     
          5      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/YgDnb
function name:  foo
number of ops:  4
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                             
    4     1      > GENERATOR_RETURN                                             
    6     2*       YIELD                                                        1
    7     3*     > GENERATOR_RETURN                                             

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


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