3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'hello, [how]. please don\'t remove [are] you?'; echo preg_replace("/\[.*?\]/", ' ', $a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8pfIY
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'hello%2C+%5Bhow%5D.+please+don%27t+remove+%5Bare%5D+you%3F'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5C%5B.%2A%3F%5C%5D%2F'
          3        SEND_VAL                                                 '+'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.21 ms | 1385 KiB | 15 Q