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+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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+  <title>Email Helper &mdash; CodeIgniter 3.1.10 documentation</title>
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+    <link rel="shortcut icon" href="../_static/ci-icon.ico"/>
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+    <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" />
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+        <link rel="next" title="File Helper" href="file_helper.html"/>
+        <link rel="prev" title="Download Helper" href="download_helper.html"/> 
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
+</ul>
+</li>
+</ul>
+<ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Helpers</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="array_helper.html">Array Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="captcha_helper.html">CAPTCHA Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cookie_helper.html">Cookie Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="date_helper.html">Date Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="download_helper.html">Download Helper</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Email Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="file_helper.html">File Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
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+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
+</ul>
+</li>
+</ul>
+<ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Helpers</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="array_helper.html">Array Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="captcha_helper.html">CAPTCHA Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cookie_helper.html">Cookie Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="date_helper.html">Date Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="directory_helper.html">Directory Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="download_helper.html">Download Helper</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Email Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="file_helper.html">File Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="form_helper.html">Form Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="html_helper.html">HTML Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="inflector_helper.html">Inflector Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="language_helper.html">Language Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="number_helper.html">Number Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="path_helper.html">Path Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="security_helper.html">Security Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="smiley_helper.html">Smiley Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="string_helper.html">String Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="text_helper.html">Text Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="typography_helper.html">Typography Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="url_helper.html">URL Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="xml_helper.html">XML Helper</a></li>
+</ul>
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+</ul>
+
+          
+        
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+
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+      
+      <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
+        <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+        <a href="../index.html">CodeIgniter</a>
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+  <ul class="wy-breadcrumbs">
+    <li><a href="../index.html">Docs</a> &raquo;</li>
+      
+        <li><a href="index.html">Helpers</a> &raquo;</li>
+      
+    <li>Email Helper</li>
+    <li class="wy-breadcrumbs-aside">
+      
+    </li>
+    <div style="float:right;margin-left:5px;" id="closeMe">
+      <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
+    </div>
+  </ul>
+  <hr/>
+</div>
+          <div role="main" class="document">
+            
+  <div class="section" id="email-helper">
+<h1>Email Helper<a class="headerlink" href="#email-helper" title="Permalink to this headline">¶</a></h1>
+<p>The Email Helper provides some assistive functions for working with
+Email. For a more robust email solution, see CodeIgniter’s <a class="reference internal" href="../libraries/email.html"><span class="doc">Email
+Class</span></a>.</p>
+<div class="admonition important">
+<p class="first admonition-title">Important</p>
+<p class="last">The Email helper is DEPRECATED and is currently
+only kept for backwards compatibility.</p>
+</div>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#loading-this-helper" id="id1">Loading this Helper</a></li>
+<li><a class="reference internal" href="#available-functions" id="id2">Available Functions</a></li>
+</ul>
+</div>
+<div class="custom-index container"></div><div class="section" id="loading-this-helper">
+<h2><a class="toc-backref" href="#id1">Loading this Helper</a><a class="headerlink" href="#loading-this-helper" title="Permalink to this headline">¶</a></h2>
+<p>This helper is loaded using the following code:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;email&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="available-functions">
+<h2><a class="toc-backref" href="#id2">Available Functions</a><a class="headerlink" href="#available-functions" title="Permalink to this headline">¶</a></h2>
+<p>The following functions are available:</p>
+<dl class="function">
+<dt id="valid_email">
+<code class="descname">valid_email</code><span class="sig-paren">(</span><em>$email</em><span class="sig-paren">)</span><a class="headerlink" href="#valid_email" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$email</strong> (<em>string</em>) – E-mail address</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if a valid email is supplied, FALSE otherwise</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Checks if the input is a correctly formatted e-mail address. Note that is
+doesn’t actually prove that the address will be able recieve mail, but
+simply that it is a validly formed address.</p>
+<p>Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nx">valid_email</span><span class="p">(</span><span class="s1">&#39;email@somesite.com&#39;</span><span class="p">))</span>
+<span class="p">{</span>
+        <span class="k">echo</span> <span class="s1">&#39;email is valid&#39;</span><span class="p">;</span>
+<span class="p">}</span>
+<span class="k">else</span>
+<span class="p">{</span>
+        <span class="k">echo</span> <span class="s1">&#39;email is not valid&#39;</span><span class="p">;</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>All that this function does is to use PHP’s native <code class="docutils literal"><span class="pre">filter_var()</span></code>:</p>
+<div class="last highlight-ci"><div class="highlight"><pre><span></span><span class="p">(</span><span class="nx">bool</span><span class="p">)</span> <span class="nb">filter_var</span><span class="p">(</span><span class="nv">$email</span><span class="p">,</span> <span class="nx">FILTER_VALIDATE_EMAIL</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+</dd></dl>
+
+<dl class="function">
+<dt id="send_email">
+<code class="descname">send_email</code><span class="sig-paren">(</span><em>$recipient</em>, <em>$subject</em>, <em>$message</em><span class="sig-paren">)</span><a class="headerlink" href="#send_email" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$recipient</strong> (<em>string</em>) – E-mail address</li>
+<li><strong>$subject</strong> (<em>string</em>) – Mail subject</li>
+<li><strong>$message</strong> (<em>string</em>) – Message body</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if the mail was successfully sent, FALSE in case of an error</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sends an email using PHP’s native <a class="reference external" href="http://php.net/function.mail">mail()</a>
+function.</p>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p>All that this function does is to use PHP’s native <code class="docutils literal"><span class="pre">mail</span></code></p>
+<div class="last highlight-ci"><div class="highlight"><pre><span></span><span class="nb">mail</span><span class="p">(</span><span class="nv">$recipient</span><span class="p">,</span> <span class="nv">$subject</span><span class="p">,</span> <span class="nv">$message</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<p>For a more robust email solution, see CodeIgniter’s <a class="reference internal" href="../libraries/email.html"><span class="doc">Email Library</span></a>.</p>
+</dd></dl>
+
+</div>
+</div>
+
+
+          </div>
+          <footer>
+  
+    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
+      
+        <a href="file_helper.html" class="btn btn-neutral float-right" title="File Helper">Next <span class="fa fa-arrow-circle-right"></span></a>
+      
+      
+        <a href="download_helper.html" class="btn btn-neutral" title="Download Helper"><span class="fa fa-arrow-circle-left"></span> Previous</a>
+      
+    </div>
+  
+
+  <hr/>
+
+  <div role="contentinfo">
+    <p>
+        &copy; Copyright 2014 - 2019, British Columbia Institute of Technology.
+      Last updated on Jan 16, 2019.
+    </p>
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+
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