3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/(EC)\w{2}|(CC)\w{2}|\w(F)\w{2}|(LT)\w{2}|\w(T)\w{2}/'; $str = 'STAR'; preg_match($re, $str, $matches); // Print the entire match result var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TRYEL
function name:  (null)
number of ops:  11
compiled vars:  !0 = $re, !1 = $str, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2F%28EC%29%5Cw%7B2%7D%7C%28CC%29%5Cw%7B2%7D%7C%5Cw%28F%29%5Cw%7B2%7D%7C%28LT%29%5Cw%7B2%7D%7C%5Cw%28T%29%5Cw%7B2%7D%2F'
    4     1        ASSIGN                                                   !1, 'STAR'
    6     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    9     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.43 ms | 1426 KiB | 15 Q