3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = array( '#tag', 'text #tag text', 'text #tag', 'text#tag', ); $res = preg_grep('/#(\S{1,24}+)/u', $var); print_r($res);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DQVDD
function name:  (null)
number of ops:  10
compiled vars:  !0 = $var, !1 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'preg_grep'
          2        SEND_VAL                                                 '%2F%23%28%5CS%7B1%2C24%7D%2B%29%2Fu'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    9     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.41 ms | 1393 KiB | 17 Q