3v4l.org

run code in 300+ PHP versions simultaneously
<?PHP $paths = [ '/cars$', '.*/cars$', '^cars/.*/', '/trucks$', '.*/trucks$' ]; $url = 'some-site.com/cars'; foreach($paths AS $v) { if (preg_match('~'.$v.'~', $url)) { echo $v.' matched'; break; } } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 15
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 14
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 15
Branch analysis from position: 15
filename:       /in/UO4IN
function name:  (null)
number of ops:  17
compiled vars:  !0 = $paths, !1 = $url, !2 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1        ASSIGN                                                   !1, 'some-site.com%2Fcars'
   13     2      > FE_RESET_R                                       $5      !0, ->15
          3    > > FE_FETCH_R                                               $5, !2, ->15
   14     4    >   INIT_FCALL                                               'preg_match'
          5        CONCAT                                           ~6      '%7E', !2
          6        CONCAT                                           ~7      ~6, '%7E'
          7        SEND_VAL                                                 ~7
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $8      
         10      > JMPZ                                                     $8, ->14
   15    11    >   CONCAT                                           ~9      !2, '+matched'
         12        ECHO                                                     ~9
         13      > JMP                                                      ->15
   13    14    > > JMP                                                      ->3
         15    >   FE_FREE                                                  $5
   20    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.03 ms | 1399 KiB | 15 Q