3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '我上的发顺丰testse'; $preg_replace("/([u4e00-u9fa5].)/","p",$a); var_dump($a); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MTEDl
function name:  (null)
number of ops:  10
compiled vars:  !0 = $str, !1 = $preg_replace, !2 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%E6%88%91%E4%B8%8A%E7%9A%84%E5%8F%91%E9%A1%BA%E4%B8%B0testse'
    4     1        INIT_DYNAMIC_CALL                                        !1
          2        SEND_VAL_EX                                              '%2F%28%5Bu4e00-u9fa5%5D.%29%2F'
          3        SEND_VAL_EX                                              'p'
          4        SEND_VAR_EX                                              !2
          5        DO_FCALL                                      0          
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !2
          8        DO_ICALL                                                 
    7     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
191.99 ms | 1385 KiB | 15 Q