3v4l.org

run code in 300+ PHP versions simultaneously
<?php $qMarks = '(?' . str_repeat(', ?', 5 - 1) . ')'; echo $qMarks;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QSJTL
function name:  (null)
number of ops:  9
compiled vars:  !0 = $qMarks
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'str_repeat'
          1        SEND_VAL                                                 '%2C+%3F'
          2        SEND_VAL                                                 4
          3        DO_ICALL                                         $1      
          4        CONCAT                                           ~2      '%28%3F', $1
          5        CONCAT                                           ~3      ~2, '%29'
          6        ASSIGN                                                   !0, ~3
    5     7        ECHO                                                     !0
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.22 ms | 1393 KiB | 15 Q