3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject="/hello/カメラ/"; $pattern='#^/hello/([\p{Han}\p{Katakana}\p{Hiragana}\w\-]+)/#u'; $result=preg_match($pattern,$subject); echo $result; // 1 $subject="/hello/カレンダー/"; $pattern='#^/hello/([\p{Han}\p{Katakana}\p{Hiragana}\w\-]+)/#u'; $result=preg_match($pattern,$subject); echo $result; // 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/frX5U
function name:  (null)
number of ops:  17
compiled vars:  !0 = $subject, !1 = $pattern, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2Fhello%2F%E3%82%AB%E3%83%A1%E3%83%A9%2F'
    3     1        ASSIGN                                                   !1, '%23%5E%2Fhello%2F%28%5B%5Cp%7BHan%7D%5Cp%7BKatakana%7D%5Cp%7BHiragana%7D%5Cw%5C-%5D%2B%29%2F%23u'
    4     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !2, $5
    5     7        ECHO                                                     !2
    7     8        ASSIGN                                                   !0, '%2Fhello%2F%E3%82%AB%E3%83%AC%E3%83%B3%E3%83%80%E3%83%BC%2F'
    8     9        ASSIGN                                                   !1, '%23%5E%2Fhello%2F%28%5B%5Cp%7BHan%7D%5Cp%7BKatakana%7D%5Cp%7BHiragana%7D%5Cw%5C-%5D%2B%29%2F%23u'
    9    10        INIT_FCALL                                               'preg_match'
         11        SEND_VAR                                                 !1
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $9      
         14        ASSIGN                                                   !2, $9
   10    15        ECHO                                                     !2
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.69 ms | 1395 KiB | 15 Q