3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "BEGIN_DATA_567 329 ... END_DATA_567 BEGIN_DATA 561 .... END_DATA"; preg_match("/\bBEGIN_DATA\b(.+)\bEND_DATA\b/", $str, $match); echo $match[1];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RO7ff
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str, !1 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'BEGIN_DATA_567+329%0A...%0AEND_DATA_567%0A%0ABEGIN_DATA+561%0A....%0AEND_DATA'
   11     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5CbBEGIN_DATA%5Cb%28.%2B%29%5CbEND_DATA%5Cb%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
   13     6        FETCH_DIM_R                                      ~4      !1, 1
          7        ECHO                                                     ~4
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.6 ms | 1385 KiB | 15 Q