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run code in 150+ php & hhvm versions
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<?php function fixtags($text){ $text = htmlspecialchars($text); $text = preg_replace("/=/", "=\"\"", $text); $text = preg_replace("/&quot;/", "&quot;\"", $text); $tags = "/&lt;(\/|)(\w*)(\ |)(\w*)([\\\=]*)(?|(\")\"&quot;\"|)(?|(.*)?&quot;(\")|)([\ ]?)(\/|)&gt;/i"; $replacement = "<$1$2$3$4$5$6$7$8$9$10>"; $text = preg_replace($tags, $replacement, $text); $text = preg_replace("/=\"\"/", "=", $text); return $text; }?> <?php echo fixtags(' <?php blabla;?> content of website ... <h1> Heading (?= 1 for largest to 6 for smallest, eg h1) </h1> <p> Paragraph of Text </p> <b> Bold Text </b> <form> First name: <input type="text" name="firstname"><br> Last name: <input type="text" name="lastname"> </form> <a href="url"> ... </a> <i> Italic Text </i> <u> Underline Text </u> <strike> Strikeout </strike> <sup> Superscript - Smaller text placed below normal text </sup> <sub> ... </sub>');
Output for 4.4.9, 5.2.4 - 7.1.0
&lt;?php blabla;?&gt; content of website ... <h1> Heading (?= 1 for largest to 6 for smallest, eg h1) </h1> <p> Paragraph of Text </p> <b> Bold Text </b> <form> First name: <input type="text&quot;" name=&quot;"firstname"><br> Last name: <input type="text&quot;" name=&quot;"lastname"> </form> <a href="url"> ... </a> <i> Italic Text </i> <u> Underline Text </u> <strike> Strikeout </strike> <sup> Superscript - Smaller text placed below normal text </sup> <sub> ... </sub>
Output for 4.3.11 - 4.4.8, 5.0.0 - 5.2.3
Warning: preg_replace(): Compilation failed: unrecognized character after (? at offset 34 in /in/KE2Lu on line 9
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (? at offset 34 in /in/KE2Lu on line 9