3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = array ( 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'four' ); $comma_separated = implode(", ", $arr); echo preg_replace('/\,([^,]+)$/', ' and $1', $comma_separated);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aNOeD
function name:  (null)
number of ops:  7
compiled vars:  !0 = $arr, !1 = $comma_separated
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    7     1        FRAMELESS_ICALL_2                implode             ~3      '%2C+', !0
          2        ASSIGN                                                       !1, ~3
    8     3        FRAMELESS_ICALL_3                preg_replace        ~5      '%2F%5C%2C%28%5B%5E%2C%5D%2B%29%24%2F', '+and+%241'
          4        OP_DATA                                                      !1
          5        ECHO                                                         ~5
          6      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
155.77 ms | 2233 KiB | 13 Q