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markup language allows the copywriter to break into HTML for particularly complex cases by using

an “{HTML}” tag.

This solution is employed later in the example e-commerce site, but try a quick example of its use now.

Implementing a Custom Markup Translator

1.

Create a new file named

custom_markup.inc.php

in your

seophp/include

folder, and type

this code in:

<?php

function custom_markup_translate($str)

{

// array with regular expressions that match custom tags

$search = array(

‘#\{bold}(.*?)\{/bold}#is’,

‘#\{italic}(.*?)\{/italic}#is’,

‘#\{underline}(.*?)\{/underline}#is’,

‘#\{heading}(.*?)\{/heading}#is’,

‘#\{subheading}(.*?)\{/subheading}#is’,

‘#\{link:(.*?)}(.*?)\{/link}#is’,

‘#\{elink:(.*?)}(.*?)\{/elink}#is’,

‘#\{unordered-list}(.*?)\{/unordered-list}\s*#is’,

‘#\{ordered-list}(.*?)\{/ordered-list}\s*#is’,

‘#\\s*{list-element}(.*?)\{/list-element}\s*#is’,

‘#\{picture:(.*?)}#is’,

‘#\t#‘,

‘#\{comment}(.*?)\{/comment}#is’

);

// array with HTML replacements

$replace = array(

‘<b>\\1</b>’,

‘<i>\\1</i>’,

‘<u>\\1</u>’,

‘<h1 class=some_class>\\1</h1>’,

‘<h2 class=some_other_class>\\1</h2>’,

‘<a href=\‘\\1\‘>\\2</a>’,

‘<a href=\‘\\1\‘ target=”_blank”>\\2</a>’,

‘<ul>\\1</ul>’,

‘<ol>\\1</ol>’,

‘<li>\\1</li>’,

‘<img src=”\\1” border=”0”>’,

‘’,

‘’

);

// perform the replacement

$step_1 = preg_replace($search, $replace, $str);

$step_2 = preg_split(‘#(\{HTML\}.*?\{/HTML\})#is’, $step_1, -1,

PREG_SPLIT_DELIM_CAPTURE);

$return = ‘’;

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Chapter 6: SE-Friendly HTML and JavaScript

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