3v4l.org

run code in 300+ PHP versions simultaneously
<?php $q = new SplQueue(); $q->push(1); $q->push(2); $q->push(3); echo $q->next(); $q->push(4); echo $q->next();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mm5mS
function name:  (null)
number of ops:  22
compiled vars:  !0 = $q
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'SplQueue'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        INIT_METHOD_CALL                                         !0, 'push'
          4        SEND_VAL_EX                                              1
          5        DO_FCALL                                      0          
    5     6        INIT_METHOD_CALL                                         !0, 'push'
          7        SEND_VAL_EX                                              2
          8        DO_FCALL                                      0          
    6     9        INIT_METHOD_CALL                                         !0, 'push'
         10        SEND_VAL_EX                                              3
         11        DO_FCALL                                      0          
    7    12        INIT_METHOD_CALL                                         !0, 'next'
         13        DO_FCALL                                      0  $7      
         14        ECHO                                                     $7
    8    15        INIT_METHOD_CALL                                         !0, 'push'
         16        SEND_VAL_EX                                              4
         17        DO_FCALL                                      0          
    9    18        INIT_METHOD_CALL                                         !0, 'next'
         19        DO_FCALL                                      0  $9      
         20        ECHO                                                     $9
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.56 ms | 1393 KiB | 13 Q