3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = "Hello, 1992 world! Today's 2016! That's 24 years!"; preg_match_all('!\d+!', $str, $matches); print_r($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/d8F18
function name:  (null)
number of ops:  10
compiled vars:  !0 = $str, !1 = $matches
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, 'Hello%2C+1992+world%21+Today%27s+2016%21+That%27s+24+years%21'
    3     1        INIT_FCALL                                                   'preg_match_all'
          2        SEND_VAL                                                     '%21%5Cd%2B%21'
          3        SEND_VAR                                                     !0
          4        SEND_REF                                                     !1
          5        DO_ICALL                                                     
    4     6        INIT_FCALL                                                   'print_r'
          7        SEND_VAR                                                     !1
          8        DO_ICALL                                                     
          9      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
166.39 ms | 2131 KiB | 15 Q