3v4l.org

run code in 500+ PHP versions simultaneously
<?php $my_find = array ( 0 => '/abc/'); $my_replace = array( 0 => 'xyz' ); $my_subject = array( 'abcdefg' ); $my_subject = preg_replace( $my_find, $my_replace, $my_subject ); echo "first\n"; print_r($my_find); print_r($my_replace); print_r($my_subject); $my_find = array ( 1 => '/abc/'); $my_replace = array( 1 => 'xyz' ); $my_subject = array( 'abcdefg' ); $my_subject = preg_replace( $my_find, $my_replace, $my_subject ); echo "second\n"; print_r($my_find); print_r($my_replace); print_r($my_subject);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zhf6v
function name:  (null)
number of ops:  33
compiled vars:  !0 = $my_find, !1 = $my_replace, !2 = $my_subject
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, <array>
    3     1        ASSIGN                                                       !1, <array>
    4     2        ASSIGN                                                       !2, <array>
    6     3        FRAMELESS_ICALL_3                preg_replace        ~6      !0, !1
          4        OP_DATA                                                      !2
          5        ASSIGN                                                       !2, ~6
    7     6        ECHO                                                         'first%0A'
    8     7        INIT_FCALL                                                   'print_r'
          8        SEND_VAR                                                     !0
          9        DO_ICALL                                                     
    9    10        INIT_FCALL                                                   'print_r'
         11        SEND_VAR                                                     !1
         12        DO_ICALL                                                     
   10    13        INIT_FCALL                                                   'print_r'
         14        SEND_VAR                                                     !2
         15        DO_ICALL                                                     
   12    16        ASSIGN                                                       !0, <array>
   13    17        ASSIGN                                                       !1, <array>
   14    18        ASSIGN                                                       !2, <array>
   16    19        FRAMELESS_ICALL_3                preg_replace        ~14     !0, !1
         20        OP_DATA                                                      !2
         21        ASSIGN                                                       !2, ~14
   17    22        ECHO                                                         'second%0A'
   18    23        INIT_FCALL                                                   'print_r'
         24        SEND_VAR                                                     !0
         25        DO_ICALL                                                     
   19    26        INIT_FCALL                                                   'print_r'
         27        SEND_VAR                                                     !1
         28        DO_ICALL                                                     
   20    29        INIT_FCALL                                                   'print_r'
         30        SEND_VAR                                                     !2
         31        DO_ICALL                                                     
         32      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
218.46 ms | 2754 KiB | 14 Q