3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(sprintf('Er zijn %s nieuwe berichten', 5)); $callInfo = array_combine(['Er zijn %s nieuwe berichten'], [5]); var_dump($callInfo); var_dump(call_user_func_array('sprintf', $callInfo));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ApU7T
function name:  (null)
number of ops:  23
compiled vars:  !0 = $callInfo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'sprintf'
          2        SEND_VAL                                                 'Er+zijn+%25s+nieuwe+berichten'
          3        SEND_VAL                                                 5
          4        DO_ICALL                                         $1      
          5        SEND_VAR                                                 $1
          6        DO_ICALL                                                 
    5     7        INIT_FCALL                                               'array_combine'
          8        SEND_VAL                                                 <array>
          9        SEND_VAL                                                 <array>
         10        DO_ICALL                                         $3      
         11        ASSIGN                                                   !0, $3
    7    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
    9    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'sprintf'
         17        SEND_ARRAY                                               !0
         18        CHECK_UNDEF_ARGS                                         
         19        DO_FCALL                                      0  $6      
         20        SEND_VAR                                                 $6
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.57 ms | 1395 KiB | 19 Q