Initial Import
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+<td><h1>Code Igniter User Guide Version 1.4.0</h1></td>

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+<a href="http://www.codeigniter.com/">Code Igniter Home</a> &nbsp;&#8250;&nbsp;

+<a href="../index.html">User Guide Home</a> &nbsp;&#8250;&nbsp;

+Text Helper

+</td>

+<td id="searchbox"><form method="get" action="http://www.google.com/search"><input type="hidden" name="as_sitesearch" id="as_sitesearch" value="www.codeigniter.com/user_guide/" />Search User Guide&nbsp; <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" />&nbsp;<input type="submit" class="submit" name="sa" value="Go" /></form></td>

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+<!-- START CONTENT -->

+<div id="content">

+

+

+<h1>Text Helper</h1>

+

+<p>The Text Helper file contains functions that assist in working with text.</p>

+

+

+<h2>Loading this Helper</h2>

+

+<p>This helper is loaded using the following code:</p>

+<code>$this->load->helper('text');</code>

+

+<p>The following functions are available:</p>

+

+

+<h2>word_limiter()</h2>

+

+<p>Truncates a string to the number of <strong>words</strong> specified.  Example:</p>

+

+<code>

+$str = "Here is a nice text string consisting of eleven words.";<br />

+<br />

+$string = word_limiter($string, 4);<br /><br />

+

+// Returns:  Here is a nice&#8230;

+</code>

+

+<p>The third parameter is an optional suffix added to the string.  By default it add an ellipsis.</p>

+

+

+<h2>character_limiter()</h2>

+

+<p>Truncates a string to the number of <strong>characters</strong> specified.  It maintains the integrity

+of words so the character count may be slightly more or less then what you specify. Example:</p>

+

+<code>

+$str = "Here is a nice text string consisting of eleven words.";<br />

+<br />

+$string = char_limiter($string, 20);<br /><br />

+

+// Returns:  Here is a nice text string&#8230;

+</code>

+

+<p>The third parameter is an optional suffix added to the string.  By default it add an ellipsis.</p>

+

+

+

+<h2>ascii_to_entities()</h2>

+

+<p>Converts ASCII values to character entities, including high ASCII and MS Word characters that can cause problems when used in a web page,

+so that they can be shown consistently regardless of browser settings or stored reliably in a database.

+There is some dependance on your server's supported character sets, so it may not be 100% reliable in all cases, but for the most

+part it should correctly identify characters outside the normal range (like accented characters). Example:</p>

+

+<code>$string = ascii_to_entities($string);</code>

+

+

+<h2>entities_to_ascii()</h2>

+

+<p>This function does the opposite of the previous one; it turns character entities back into ASCII.</p>

+

+

+<h2>word_censor()</h2>

+

+<p>Enables you to censor words within a text string.  The first parameter will contain the original string.  The

+second will contain an array of words which you disallow.  The third (optional) parameter can contain a replacement value

+for the words.  If not specified they are replaced with pound signs: ####.  Example:</p>

+

+<code>

+$disallowed = array('darn', 'shucks', 'golly', 'phooey');<br />

+<br />

+$string = word_censor($string, $disallowed, 'Beep!');</code>

+

+

+<h2>highlight_code()</h2>

+

+<p>Colorizes a string of code (PHP, HTML, etc.).  Example:</p>

+

+<code>$string = highlight_code($string);</code>

+

+<p>The function uses PHP's highlight_string() function, so the colors used are the ones specified in your php.ini file.</p>

+

+

+<h2>highlight_phrase()</h2>

+

+<p>Will highlight a phrase within a text string.  The first parameter will contain the original string, the second will

+contain the phrase you wish to highlight.  The third and fourth parameters will contain the opening/closing HTML tags

+you would like the phrase wrapped in.  Example:</p>

+

+<code>

+$str = "Here is a nice text string about nothing in particular.";<br />

+<br />

+$string = highlight_phrase($string, "nice text", '&lt;span style="color:#990000">', '&lt;/span>');

+</code>

+

+<p>The above text returns:</p>

+

+<p>Here is a <span style="color:#990000">nice text</span> string about nothing in particular.</p>

+

+

+

+<h2>word_wrap()</h2>

+

+<p>Wraps text at the specified <strong>character</strong> count while maintaining complete words.  Example:</p>

+

+<code>$string = "Here is a simple string of text that will help us demonstrate this function.";<br />

+<br />

+echo word_wrap($string, 25);<br />

+<br />

+// Would produce:<br />

+<br />

+Here is a simple string<br />

+of text that will help<br />

+us demonstrate this<br />

+function</code>

+

+

+

+

+</div>

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