3v4l.org

run code in 300+ PHP versions simultaneously
<?php // on a besoin de recuperer ce qu'il y a entre () par exemple : dskjdslkjds (13254) preg_match_all('/\(([\d]+)\)/','dsdsq',$matches); var_dump(array_pop($matches)); preg_match_all('/\(([\d]+)\)/','',$matches); var_dump(array_pop($matches)); preg_match_all('/\(([\d]+)\)/',NULL,$matches); var_dump(array_pop($matches));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/udVVo
function name:  (null)
number of ops:  34
compiled vars:  !0 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match_all'
          1        SEND_VAL                                                 '%2F%5C%28%28%5B%5Cd%5D%2B%29%5C%29%2F'
          2        SEND_VAL                                                 'dsdsq'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                                 
    4     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'array_pop'
          7        SEND_REF                                                 !0
          8        DO_ICALL                                         $2      
          9        SEND_VAR                                                 $2
         10        DO_ICALL                                                 
    6    11        INIT_FCALL                                               'preg_match_all'
         12        SEND_VAL                                                 '%2F%5C%28%28%5B%5Cd%5D%2B%29%5C%29%2F'
         13        SEND_VAL                                                 ''
         14        SEND_REF                                                 !0
         15        DO_ICALL                                                 
    7    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'array_pop'
         18        SEND_REF                                                 !0
         19        DO_ICALL                                         $5      
         20        SEND_VAR                                                 $5
         21        DO_ICALL                                                 
    9    22        INIT_FCALL                                               'preg_match_all'
         23        SEND_VAL                                                 '%2F%5C%28%28%5B%5Cd%5D%2B%29%5C%29%2F'
         24        SEND_VAL                                                 null
         25        SEND_REF                                                 !0
         26        DO_ICALL                                                 
   10    27        INIT_FCALL                                               'var_dump'
         28        INIT_FCALL                                               'array_pop'
         29        SEND_REF                                                 !0
         30        DO_ICALL                                         $8      
         31        SEND_VAR                                                 $8
         32        DO_ICALL                                                 
         33      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
143.67 ms | 1388 KiB | 19 Q