3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (isset($fromRequire)) { return; function xxx() {} return; } for ($i = 0; $i < 10 * 1000; $i++) { $fromRequire = true; require __FILE__; if (($i % (1000)) === 0) { gc_collect_cycles(); echo round(memory_get_usage() / (1024 * 1024), 3) . " MiB\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
2 jumps found. (Code = 44) Position 1 = 26, Position 2 = 7
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 23
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 26, Position 2 = 7
Branch analysis from position: 26
Branch analysis from position: 7
Branch analysis from position: 23
filename:       /in/NOejV
function name:  (null)
number of ops:  27
compiled vars:  !0 = $fromRequire, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ISSET_ISEMPTY_CV                                         !0
          1      > JMPZ                                                     ~2, ->5
    4     2    > > RETURN                                                   null
    5     3*       DECLARE_FUNCTION                                         'xxx'
    7     4*       RETURN                                                   null
   10     5    >   ASSIGN                                                   !1, 0
          6      > JMP                                                      ->24
   11     7    >   ASSIGN                                                   !0, <true>
   12     8        INCLUDE_OR_EVAL                                          '%2Fin%2FNOejV', REQUIRE
   14     9        MOD                                              ~6      !1, 1000
         10        IS_IDENTICAL                                             ~6, 0
         11      > JMPZ                                                     ~7, ->23
   15    12    >   INIT_FCALL                                               'gc_collect_cycles'
         13        DO_ICALL                                                 
   16    14        INIT_FCALL                                               'round'
         15        INIT_FCALL                                               'memory_get_usage'
         16        DO_ICALL                                         $9      
         17        DIV                                              ~10     $9, 1048576
         18        SEND_VAL                                                 ~10
         19        SEND_VAL                                                 3
         20        DO_ICALL                                         $11     
         21        CONCAT                                           ~12     $11, '+MiB%0A'
         22        ECHO                                                     ~12
   10    23    >   PRE_INC                                                  !1
         24    >   IS_SMALLER                                               !1, 10000
         25      > JMPNZ                                                    ~14, ->7
   18    26    > > RETURN                                                   1

Function %00xxx%2Fin%2FNOejV%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NOejV
function name:  xxx
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   null

End of function %00xxx%2Fin%2FNOejV%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.59 ms | 1396 KiB | 19 Q