3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = '<iframe class="vine-embed" src="https://vine.co/v/Mlr5Kt22TKA/embed/simple" width="600" height="600" frameborder="0"></iframe><script async src="//platform.vine.co/static/scripts/embed.js" charset="utf-8"></script>'; preg_match('#(?<=vine.co/v/)[0-9A-Za-z]+#', $content, $matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/neqWO
function name:  (null)
number of ops:  10
compiled vars:  !0 = $content, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3Ciframe+class%3D%22vine-embed%22+src%3D%22https%3A%2F%2Fvine.co%2Fv%2FMlr5Kt22TKA%2Fembed%2Fsimple%22+width%3D%22600%22+height%3D%22600%22+frameborder%3D%220%22%3E%3C%2Fiframe%3E%3Cscript+async+src%3D%22%2F%2Fplatform.vine.co%2Fstatic%2Fscripts%2Fembed.js%22+charset%3D%22utf-8%22%3E%3C%2Fscript%3E'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%23%28%3F%3C%3Dvine.co%2Fv%2F%29%5B0-9A-Za-z%5D%2B%23'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.2 ms | 1385 KiB | 17 Q