3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('@(?=\pL)@u', '*', 'م'); // prints: '*م' ✓ echo preg_replace('@(?=\pL)@u', '*', 'ض'); // prints: '*ض' ✓ echo preg_replace('@(?=\pL)@u', '*', 'غ'); // prints: '*�*�' ✗ echo preg_replace('@(?=\pL)@u', '*', 'ص'); // prints: '*�*�' ✗
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/P4G9f
function name:  (null)
number of ops:  25
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_replace'
          1        SEND_VAL                                                 '%40%28%3F%3D%5CpL%29%40u'
          2        SEND_VAL                                                 '%2A'
          3        SEND_VAL                                                 '%D9%85'
          4        DO_ICALL                                         $0      
          5        ECHO                                                     $0
    3     6        INIT_FCALL                                               'preg_replace'
          7        SEND_VAL                                                 '%40%28%3F%3D%5CpL%29%40u'
          8        SEND_VAL                                                 '%2A'
          9        SEND_VAL                                                 '%D8%B6'
         10        DO_ICALL                                         $1      
         11        ECHO                                                     $1
    4    12        INIT_FCALL                                               'preg_replace'
         13        SEND_VAL                                                 '%40%28%3F%3D%5CpL%29%40u'
         14        SEND_VAL                                                 '%2A'
         15        SEND_VAL                                                 '%D8%BA'
         16        DO_ICALL                                         $2      
         17        ECHO                                                     $2
    5    18        INIT_FCALL                                               'preg_replace'
         19        SEND_VAL                                                 '%40%28%3F%3D%5CpL%29%40u'
         20        SEND_VAL                                                 '%2A'
         21        SEND_VAL                                                 '%D8%B5'
         22        DO_ICALL                                         $3      
         23        ECHO                                                     $3
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.95 ms | 1395 KiB | 15 Q