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<?php register_shutdown_function(function () { var_dump(memory_get_usage()); var_dump(error_get_last()); $lotsOfMemoryLeftThatCanBeUsed = str_repeat(' ', 1000); var_dump(strlen($lotsOfMemoryLeftThatCanBeUsed)); }); function foo() { foo(); } foo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/K2Uq4
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'register_shutdown_function'
          1        DECLARE_LAMBDA_FUNCTION                              ~0      [0]
    9     2        SEND_VAL                                                     ~0
    3     3        DO_ICALL                                                     
   16     4        INIT_FCALL                                                   'foo'
          5        DO_FCALL                                          0          
          6      > 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/K2Uq4
function name:  {closure:/in/K2Uq4:3}
number of ops:  20
compiled vars:  !0 = $lotsOfMemoryLeftThatCanBeUsed
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'memory_get_usage'
          2        DO_ICALL                                             $1      
          3        SEND_VAR                                                     $1
          4        DO_ICALL                                                     
    5     5        INIT_FCALL                                                   'var_dump'
          6        INIT_FCALL                                                   'error_get_last'
          7        DO_ICALL                                             $3      
          8        SEND_VAR                                                     $3
          9        DO_ICALL                                                     
    7    10        INIT_FCALL                                                   'str_repeat'
         11        SEND_VAL                                                     '+'
         12        SEND_VAL                                                     1000
         13        DO_ICALL                                             $5      
         14        ASSIGN                                                       !0, $5
    8    15        INIT_FCALL                                                   'var_dump'
         16        STRLEN                                               ~7      !0
         17        SEND_VAL                                                     ~7
         18        DO_ICALL                                                     
    9    19      > RETURN                                                       null

End of Dynamic Function 0

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/K2Uq4
function name:  foo
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL_BY_NAME                                           'foo'
          1        DO_FCALL                                          0          
   14     2      > RETURN                                                       null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


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