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<?php class LazyValue { public function __construct( private Closure $lazy, ){} public function getValue() { static $value = ($this->lazy)(); return $value; } } $t1 = new LazyValue(function () { echo "slow\n"; return "42\n"; }); echo $t1->getValue(); echo $t1->getValue(); echo $t1->getValue();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Dfn5j
function name:  (null)
number of ops:  15
compiled vars:  !0 = $t1
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   17     0  E >   NEW                                                  $1      'LazyValue'
          1        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
   21     2        SEND_VAL_EX                                                  ~2
   17     3        DO_FCALL                                          0          
          4        ASSIGN                                                       !0, $1
   24     5        INIT_METHOD_CALL                                             !0, 'getValue'
          6        DO_FCALL                                          0  $5      
          7        ECHO                                                         $5
   25     8        INIT_METHOD_CALL                                             !0, 'getValue'
          9        DO_FCALL                                          0  $6      
         10        ECHO                                                         $6
   26    11        INIT_METHOD_CALL                                             !0, 'getValue'
         12        DO_FCALL                                          0  $7      
         13        ECHO                                                         $7
         14      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Dfn5j
function name:  {closure:/in/Dfn5j:17}
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E >   ECHO                                                         'slow%0A'
   20     1      > RETURN                                                       '42%0A'
   21     2*     > RETURN                                                       null

End of Dynamic Function 0

Class LazyValue:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Dfn5j
function name:  __construct
number of ops:  4
compiled vars:  !0 = $lazy
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   RECV                                                 !0      
          1        ASSIGN_OBJ                                                   'lazy'
          2        OP_DATA                                                      !0
    7     3      > RETURN                                                       null

End of function __construct

Function getvalue:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Dfn5j
function name:  getValue
number of ops:  7
compiled vars:  !0 = $value
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   11     0  E >   BIND_INIT_STATIC_OR_JMP                                      !0
          1        FETCH_OBJ_R                                          ~1      'lazy'
          2        INIT_DYNAMIC_CALL                                            ~1
          3        DO_FCALL                                          0  $2      
          4        BIND_STATIC                                                  !0, $2
   13     5      > RETURN                                                       !0
   14     6*     > RETURN                                                       null

End of function getvalue

End of class LazyValue.

Generated using Vulcan Logic Dumper, using php 8.5.0


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