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Typography Helper
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<h1>Typography Helper</h1>
<p>The Typography Helper file contains functions that help your format text in semantically relevant ways.</p>
<h2>Loading this Helper</h2>
<p>This helper is loaded using the following code:</p>
<code>$this->load->helper('typography');</code>
<p>The following functions are available:</p>
<h2>auto_typography()</h2>
<p>Formats text so that it is semantically and typographically correct HTML. Takes a string as input and returns it with
the following formatting:</p>
<ul>
<li>Surrounds paragraphs within <p></p> (looks for double line breaks to identify paragraphs).</li>
<li>Single line breaks are converted to <br />, except those that appear within <pre> tags.</li>
<li>Block level elements, like <div> tags, are not wrapped within paragraphs, but their contained text is if it contains paragraphs.</li>
<li>Quotes are converted to correctly facing curly quote entities, except those that appear within tags.</li>
<li>Apostrophes are converted to curly apostrophy entities.</li>
<li>Double dashes (either like -- this or like--this) are converted to em—dashes.</li>
<li>Three consecutive periods either preceding or following a word are converted to ellipsis…</li>
<li>Double spaces following sentences are converted to non-breaking spaces to mimic double spacing.</li>
</ul>
<p>Usage example:</p>
<code>$string = auto_typography($string);</code>
<p><strong>Note:</strong> Typographic formatting can be processor intensive, particularly if you have a lot of content being formatted.
If you choose to use this function you may want to consider
<a href="../general/caching.html">caching</a> your pages.</p>
<h2>nl2br_except_pre()</h2>
<p>Converts newlines to <br /> tags unless they appear within <pre> tags.
This function is identical to the native PHP <dfn>nl2br()</dfn> function, except that it ignores <pre> tags.</p>
<p>Usage example:</p>
<code>$string = nl2br_except_pre($string);</code>
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