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<?php $str = '{code}var a = 1;{code} then, {noformat}a = 5;{noformat} and, {code}a -= 4;{code}'; $codePatterns = [ '/{code}(.*?){code}/', '/{noformat}(.*?){noformat}/' ]; echo preg_replace($codePatterns, '<code>$1</code>', $str);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/defXR
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str, !1 = $codePatterns
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%7Bcode%7Dvar+a+%3D+1%3B%7Bcode%7D+then%2C+%7Bnoformat%7Da+%3D+5%3B%7Bnoformat%7D+and%2C+%7Bcode%7Da+-%3D+4%3B%7Bcode%7D'
    4     1        ASSIGN                                                   !1, <array>
    9     2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAR                                                 !1
          4        SEND_VAL                                                 '%3Ccode%3E%241%3C%2Fcode%3E'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        ECHO                                                     $4
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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