3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'آلمان - غنا یا ایران - آرژانتین'; $pal = 'آابپتثجچحخدذرزژسشصضطظعغفقکگلمنوهیءئـ ؤ'; preg_match('/([' . $pal . ']+)-+([' . $pal . ']+)/', $a, $m); var_dump($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jG1DN
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a, !1 = $pal, !2 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%D8%A2%D9%84%D9%85%D8%A7%D9%86+-+%D8%BA%D9%86%D8%A7+%DB%8C%D8%A7+%D8%A7%DB%8C%D8%B1%D8%A7%D9%86+-+%D8%A2%D8%B1%DA%98%D8%A7%D9%86%D8%AA%DB%8C%D9%86'
    3     1        ASSIGN                                                   !1, '%D8%A2%D8%A7%D8%A8%D9%BE%D8%AA%D8%AB%D8%AC%DA%86%D8%AD%D8%AE%D8%AF%D8%B0%D8%B1%D8%B2%DA%98%D8%B3%D8%B4%D8%B5%D8%B6%D8%B7%D8%B8%D8%B9%D8%BA%D9%81%D9%82%DA%A9%DA%AF%D9%84%D9%85%D9%86%D9%88%D9%87%DB%8C%D8%A1%D8%A6%D9%80+%D8%A4'
    4     2        INIT_FCALL                                               'preg_match'
          3        CONCAT                                           ~5      '%2F%28%5B', !1
          4        CONCAT                                           ~6      ~5, '%5D%2B%29-%2B%28%5B'
          5        CONCAT                                           ~7      ~6, !1
          6        CONCAT                                           ~8      ~7, '%5D%2B%29%2F'
          7        SEND_VAL                                                 ~8
          8        SEND_VAR                                                 !0
          9        SEND_REF                                                 !2
         10        DO_ICALL                                                 
    5    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.97 ms | 1394 KiB | 17 Q