3v4l.org

run code in 500+ PHP versions simultaneously
<?php function autoLoadClass($name) { echo 'spl_autoload_register: ', $name, '<br>'; } spl_autoload_register('autoLoadClass'); class_exists('Foo', false); class_exists('Bar', false); class_exists('Foo\\Bar', false);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KSVXr
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                                   'spl_autoload_register'
          1        SEND_VAL                                                     'autoLoadClass'
          2        DO_ICALL                                                     
    8     3        FRAMELESS_ICALL_2                class_exists        ~1      'Foo', <false>
          4        FREE                                                         ~1
    9     5        FRAMELESS_ICALL_2                class_exists        ~2      'Bar', <false>
          6        FREE                                                         ~2
   10     7        FRAMELESS_ICALL_2                class_exists        ~3      'Foo%5CBar', <false>
          8        FREE                                                         ~3
          9      > RETURN                                                       1

Function autoloadclass:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KSVXr
function name:  autoLoadClass
number of ops:  5
compiled vars:  !0 = $name
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   RECV                                                 !0      
    3     1        ECHO                                                         'spl_autoload_register%3A+'
          2        ECHO                                                         !0
          3        ECHO                                                         '%3Cbr%3E'
    4     4      > RETURN                                                       null

End of function autoloadclass

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
159.93 ms | 2880 KiB | 14 Q