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<?php declare(strict_types=1); var_dump( class_exists( 'MySubclass1' ), class_exists( 'MySubclass2' ), class_exists( 'MyAbstract' ) ); // PHP 7.4.9 = FALSE, true, true (PHP 7.3.21 = TRUE, true, true) class MySubclass1 extends MyAbstract{} abstract class MyAbstract{} class MySubclass2 extends MyAbstract{} var_dump( class_exists( 'MySubclass1' ), class_exists( 'MySubclass2' ), class_exists( 'MyAbstract' ) ); // true, true, true
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bIF1m
function name:  (null)
number of ops:  30
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'class_exists'
          2        SEND_VAL                                                 'MySubclass1'
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        INIT_FCALL                                               'class_exists'
          6        SEND_VAL                                                 'MySubclass2'
          7        DO_ICALL                                         $1      
          8        SEND_VAR                                                 $1
          9        INIT_FCALL                                               'class_exists'
         10        SEND_VAL                                                 'MyAbstract'
         11        DO_ICALL                                         $2      
         12        SEND_VAR                                                 $2
         13        DO_ICALL                                                 
    8    14        DECLARE_CLASS                                            'mysubclass1', 'myabstract'
   12    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'class_exists'
         17        SEND_VAL                                                 'MySubclass1'
         18        DO_ICALL                                         $4      
         19        SEND_VAR                                                 $4
         20        INIT_FCALL                                               'class_exists'
         21        SEND_VAL                                                 'MySubclass2'
         22        DO_ICALL                                         $5      
         23        SEND_VAR                                                 $5
         24        INIT_FCALL                                               'class_exists'
         25        SEND_VAL                                                 'MyAbstract'
         26        DO_ICALL                                         $6      
         27        SEND_VAR                                                 $6
         28        DO_ICALL                                                 
   13    29      > RETURN                                                   1

Class MySubclass1: [no user functions]
Class MyAbstract: [no user functions]
Class MySubclass2: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
193.43 ms | 1395 KiB | 17 Q