3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = new Memcached(); $m->addServer('localhost', 11211); $m->set('counter', 5); $n = $m->decrement('counter'); var_dump($n); $n = $m->decrement('counter', 10); var_dump($n); var_dump($m->get('counter')); $m->set('counter', 'abc'); $n = $m->increment('counter'); // ^ will fail due to item value not being numeric var_dump($n); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XhZO9
function name:  (null)
number of ops:  44
compiled vars:  !0 = $m, !1 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'Memcached'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    3     3        INIT_METHOD_CALL                                         !0, 'addServer'
          4        SEND_VAL_EX                                              'localhost'
          5        SEND_VAL_EX                                              11211
          6        DO_FCALL                                      0          
    5     7        INIT_METHOD_CALL                                         !0, 'set'
          8        SEND_VAL_EX                                              'counter'
          9        SEND_VAL_EX                                              5
         10        DO_FCALL                                      0          
    6    11        INIT_METHOD_CALL                                         !0, 'decrement'
         12        SEND_VAL_EX                                              'counter'
         13        DO_FCALL                                      0  $7      
         14        ASSIGN                                                   !1, $7
    7    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                                 
    9    18        INIT_METHOD_CALL                                         !0, 'decrement'
         19        SEND_VAL_EX                                              'counter'
         20        SEND_VAL_EX                                              10
         21        DO_FCALL                                      0  $10     
         22        ASSIGN                                                   !1, $10
   10    23        INIT_FCALL                                               'var_dump'
         24        SEND_VAR                                                 !1
         25        DO_ICALL                                                 
   12    26        INIT_FCALL                                               'var_dump'
         27        INIT_METHOD_CALL                                         !0, 'get'
         28        SEND_VAL_EX                                              'counter'
         29        DO_FCALL                                      0  $13     
         30        SEND_VAR                                                 $13
         31        DO_ICALL                                                 
   14    32        INIT_METHOD_CALL                                         !0, 'set'
         33        SEND_VAL_EX                                              'counter'
         34        SEND_VAL_EX                                              'abc'
         35        DO_FCALL                                      0          
   15    36        INIT_METHOD_CALL                                         !0, 'increment'
         37        SEND_VAL_EX                                              'counter'
         38        DO_FCALL                                      0  $16     
         39        ASSIGN                                                   !1, $16
   17    40        INIT_FCALL                                               'var_dump'
         41        SEND_VAR                                                 !1
         42        DO_ICALL                                                 
   18    43      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.26 ms | 1396 KiB | 15 Q