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<?php function gen() { echo 'start'; yield 'middle'; echo 'end'; } // Initial call does not output anything $gen = gen(); // Call to current() resumes the generator, thus "start" is echo'd. // Then the yield expression is hit and the string "middle" is returned // as the result of current() and then echo'd. echo $gen->current(); // Execution of the generator is resumed again, thus echoing "end" $gen->next();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uXWuI
function name:  (null)
number of ops:  9
compiled vars:  !0 = $gen
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'gen'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
   14     3        INIT_METHOD_CALL                                         !0, 'current'
          4        DO_FCALL                                      0  $3      
          5        ECHO                                                     $3
   17     6        INIT_METHOD_CALL                                         !0, 'next'
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/uXWuI
function name:  gen
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1        ECHO                                                     'start'
    4     2        YIELD                                                    'middle'
    5     3        ECHO                                                     'end'
    6     4      > GENERATOR_RETURN                                         

End of function gen

Generated using Vulcan Logic Dumper, using php 8.0.0


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