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<?php $x = 'ciao </container> e <container tipo="autore"> ciao'; $string = preg_replace('#\s?([^\>]+)\s?\<container tipo="autore"\>#', 'X\1X', $x); echo $string;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9W6bK
function name:  (null)
number of ops:  9
compiled vars:  !0 = $x, !1 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'ciao%0A%3C%2Fcontainer%3E%0Ae%0A%3Ccontainer+tipo%3D%22autore%22%3E%0Aciao'
    9     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%23%5Cs%3F%28%5B%5E%5C%3E%5D%2B%29%5Cs%3F%5C%3Ccontainer+tipo%3D%22autore%22%5C%3E%23'
          3        SEND_VAL                                                 'X%5C1X'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
   11     7        ECHO                                                     !1
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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