3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("&", "^", "|", "~"); array_walk($a, "preg_quote"); $b = implode("|", $a); echo $b;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lv42t
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_walk'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'preg_quote'
          4        DO_ICALL                                                 
    6     5        INIT_FCALL                                               'implode'
          6        SEND_VAL                                                 '%7C'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $4      
          9        ASSIGN                                                   !1, $4
    8    10        ECHO                                                     !1
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.13 ms | 1394 KiB | 17 Q