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run code in 500+ PHP versions simultaneously
<?php $buffer = <<<HTML <p>This is an XPath: <code>/HTML/BODY/*[1][self::DIV]</code></p> <p>This is a Script:</p> <pre class="wp-block-code"><code>&lt;script> /* example script */ &lt;/script></code></pre> <p data-od-xpath="/HTML/BODY//*[4][self::P]">This has an XPath in a data attribute.</p> <pre class="wp-block-code"><code>&lt;style> /* example style */ &lt;/style></code></pre> HTML; // The following line comes from <https://plugins.trac.wordpress.org/browser/aruba-hispeed-cache/tags/2.0.24/src/AHSC_HtmlOptimizer.php#L16>: $buffer_after_comments_removed = preg_replace( '@\/\*(.*?)\*\/@s', ' ', $buffer ); //remove comment if ( $buffer_after_comments_removed === $buffer ) { echo "PASS\n"; } else { echo "FAIL\n"; } echo "\n"; echo "Result after regex attempts to remove comments:\n"; echo "\n"; echo "$buffer_after_comments_removed";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IEJ0P
function name:  (null)
number of ops:  15
compiled vars:  !0 = $buffer, !1 = $buffer_after_comments_removed
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '++++%3Cp%3EThis+is+an+XPath%3A+%3Ccode%3E%2FHTML%2FBODY%2F%2A%5B1%5D%5Bself%3A%3ADIV%5D%3C%2Fcode%3E%3C%2Fp%3E%0A++++%0A++++%3Cp%3EThis+is+a+Script%3A%3C%2Fp%3E%0A++++%0A++++%3Cpre+class%3D%22wp-block-code%22%3E%3Ccode%3E%26lt%3Bscript%3E%0A++++%2F%2A+example+script+%2A%2F%0A++++%26lt%3B%2Fscript%3E%3C%2Fcode%3E%3C%2Fpre%3E%0A++++%0A++++%3Cp+data-od-xpath%3D%22%2FHTML%2FBODY%2F%2F%2A%5B4%5D%5Bself%3A%3AP%5D%22%3EThis+has+an+XPath+in+a+data+attribute.%3C%2Fp%3E%0A++++%0A++++%3Cpre+class%3D%22wp-block-code%22%3E%3Ccode%3E%26lt%3Bstyle%3E%0A++++%2F%2A+example+style+%2A%2F%0A++++%26lt%3B%2Fstyle%3E%3C%2Fcode%3E%3C%2Fpre%3E'
   20     1        FRAMELESS_ICALL_3                preg_replace        ~3      '%40%5C%2F%5C%2A%28.%2A%3F%29%5C%2A%5C%2F%40s', '+'
          2        OP_DATA                                                      !0
          3        ASSIGN                                                       !1, ~3
   22     4        IS_IDENTICAL                                                 !1, !0
          5      > JMPZ                                                         ~5, ->8
   23     6    >   ECHO                                                         'PASS%0A'
   22     7      > JMP                                                          ->9
   25     8    >   ECHO                                                         'FAIL%0A'
   28     9    >   ECHO                                                         '%0A'
   29    10        ECHO                                                         'Result+after+regex+attempts+to+remove+comments%3A%0A'
   30    11        ECHO                                                         '%0A'
   31    12        CAST                                              6  ~6      !1
         13        ECHO                                                         ~6
         14      > RETURN                                                       1

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