{"componentChunkName":"component---src-pages-markdown-remark-fields-slug-js","path":"/engineering/how-to-get-email-alerts-for-unhandled-php-exceptions/","result":{"data":{"markdownRemark":{"id":"89af2503-02c3-5a54-aa6f-1c581d095b2d","excerpt":"This tutorial provides a solution to get email alerts, when a unhandled error occurs. For this tutorial, we are using WordPress. Imagine you created a php…","html":"<p>This tutorial provides a solution to get email alerts, when a unhandled error occurs. For this tutorial, we are using WordPress.</p>\n<p>Imagine you created a php application and it’s running fine.  A couple of days later, a user complains about an error which you’re totally unaware of. Such unhandled errors are very common in php applications. So, to find these issues, we are going to send email notifications whenever an error occurs.</p>\n<p><strong>Step 1.</strong> First of all we need to identify a common application file that include at top of application. in this case the file is “wp-config.php” at the root of your wordpress hosting directory.  </p>\n<p><strong>Step 2.</strong> Let’s add the following line of code in this file under php tag.</p>\n<pre class=\"grvsc-container dark-default-dark\" data-language=\"php\" data-index=\"0\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"mtk11\">set_error_handler</span><span class=\"mtk1\">(</span><span class=\"mtk8\">&#39;errorHandler&#39;</span><span class=\"mtk1\">); </span><span class=\"mtk3\">// this line of code sets an error handler custom function to handle any php error. And here we pass our custom function that name “errorHandler”</span></span>\n<span class=\"grvsc-line\"></span>\n<span class=\"grvsc-line\"><span class=\"mtk4\">function</span><span class=\"mtk1\"> </span><span class=\"mtk11\">createTable</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$array</span><span class=\"mtk1\">){</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk15\">if</span><span class=\"mtk1\">(</span><span class=\"mtk11\">is_array</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$array</span><span class=\"mtk1\">) && </span><span class=\"mtk11\">count</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$array</span><span class=\"mtk1\">)&gt;</span><span class=\"mtk7\">0</span><span class=\"mtk1\">){</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">        </span><span class=\"mtk12\">$errorContent</span><span class=\"mtk1\"> = </span><span class=\"mtk8\">&quot;&lt;table border = 1&gt;&lt;tr&gt;&lt;td&gt;&quot;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">        </span><span class=\"mtk15\">foreach</span><span class=\"mtk1\"> (</span><span class=\"mtk12\">$array</span><span class=\"mtk1\"> as </span><span class=\"mtk12\">$key</span><span class=\"mtk1\"> =&gt; </span><span class=\"mtk12\">$val</span><span class=\"mtk1\">) {</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">            </span><span class=\"mtk12\">$errorContent</span><span class=\"mtk1\"> .= </span><span class=\"mtk12\">$key</span><span class=\"mtk1\"> . </span><span class=\"mtk8\">&quot;&lt;/td&gt;&lt;td&gt;&quot;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">            </span><span class=\"mtk15\">if</span><span class=\"mtk1\">(</span><span class=\"mtk11\">is_array</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$val</span><span class=\"mtk1\">) && </span><span class=\"mtk11\">count</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$val</span><span class=\"mtk1\">)&gt;</span><span class=\"mtk7\">0</span><span class=\"mtk1\">){</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">                </span><span class=\"mtk12\">$errorContent</span><span class=\"mtk1\"> .= </span><span class=\"mtk11\">createTable</span><span class=\"mtk1\">(</span><span class=\"mtk11\">json_decode</span><span class=\"mtk1\">(</span><span class=\"mtk11\">json_encode</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$val</span><span class=\"mtk1\">),</span><span class=\"mtk4\">true</span><span class=\"mtk1\">)) ;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">            }</span><span class=\"mtk15\">else</span><span class=\"mtk1\">{</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">                </span><span class=\"mtk12\">$errorContent</span><span class=\"mtk1\"> .= </span><span class=\"mtk11\">print_r</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$val</span><span class=\"mtk1\">, </span><span class=\"mtk4\">true</span><span class=\"mtk1\">) ;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">            }</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">        }</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">        </span><span class=\"mtk12\">$errorContent</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&quot;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">        </span><span class=\"mtk15\">return</span><span class=\"mtk1\"> </span><span class=\"mtk12\">$errorContent</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    }</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk15\">return</span><span class=\"mtk1\"> </span><span class=\"mtk8\">&#39;&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">}</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\"> </span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\">/**</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> * </span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> * </span><span class=\"mtk4\">@param</span><span class=\"mtk3\"> </span><span class=\"mtk10\">type</span><span class=\"mtk3\"> $errorNumber        // This parameter returns error number.</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> * </span><span class=\"mtk4\">@param</span><span class=\"mtk3\"> </span><span class=\"mtk10\">type</span><span class=\"mtk3\"> $errorString           // This parameter returns error string.</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> * </span><span class=\"mtk4\">@param</span><span class=\"mtk3\"> </span><span class=\"mtk10\">type</span><span class=\"mtk3\"> $errorFile               // This parameter returns path of file in which error found.</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> * </span><span class=\"mtk4\">@param</span><span class=\"mtk3\"> </span><span class=\"mtk10\">type</span><span class=\"mtk3\"> $errorLine              // This parameter returns line number of file in which you get an error.</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> * </span><span class=\"mtk4\">@param</span><span class=\"mtk3\"> </span><span class=\"mtk10\">type</span><span class=\"mtk3\"> $errorContext         // This parameter return error context.</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk3\"> */</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk4\">function</span><span class=\"mtk1\"> </span><span class=\"mtk11\">errorHandler</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$errorNumber</span><span class=\"mtk1\">,</span><span class=\"mtk12\"> $errorString</span><span class=\"mtk1\">,</span><span class=\"mtk12\"> $errorFile</span><span class=\"mtk1\">,</span><span class=\"mtk12\"> $errorLine</span><span class=\"mtk1\">,</span><span class=\"mtk12\"> $errorContext</span><span class=\"mtk1\">) {</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailAddress</span><span class=\"mtk1\"> = </span><span class=\"mtk8\">&#39;example@example.com&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailSubject</span><span class=\"mtk1\"> = </span><span class=\"mtk8\">&#39;Error on my Application&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\"> = </span><span class=\"mtk8\">&#39;&lt;h2&gt;Error Reporting on :- &lt;/h2&gt;[&#39;</span><span class=\"mtk1\"> . </span><span class=\"mtk11\">date</span><span class=\"mtk1\">(</span><span class=\"mtk8\">&quot;Y-m-d h:i:s&quot;</span><span class=\"mtk1\">, </span><span class=\"mtk11\">time</span><span class=\"mtk1\">()) . </span><span class=\"mtk8\">&#39;]&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;&lt;h2&gt;Error Number :- &lt;/h2&gt;&quot;</span><span class=\"mtk1\">.</span><span class=\"mtk11\">print_r</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$errorNumber</span><span class=\"mtk1\">, </span><span class=\"mtk4\">true</span><span class=\"mtk1\">).</span><span class=\"mtk8\">&#39;&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;&lt;h2&gt;Error String :- &lt;/h2&gt;&quot;</span><span class=\"mtk1\">.</span><span class=\"mtk11\">print_r</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$errorString</span><span class=\"mtk1\">, </span><span class=\"mtk4\">true</span><span class=\"mtk1\">).</span><span class=\"mtk8\">&#39;&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;&lt;h2&gt;Error File :- &lt;/h2&gt;&quot;</span><span class=\"mtk1\">.</span><span class=\"mtk11\">print_r</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$errorFile</span><span class=\"mtk1\">, </span><span class=\"mtk4\">true</span><span class=\"mtk1\">).</span><span class=\"mtk8\">&#39;&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;&lt;h2&gt;Error Line :- &lt;/h2&gt;&quot;</span><span class=\"mtk1\">.</span><span class=\"mtk11\">print_r</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$errorLine</span><span class=\"mtk1\">, </span><span class=\"mtk4\">true</span><span class=\"mtk1\">).</span><span class=\"mtk8\">&#39;&#39;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;&lt;h2&gt;Error Context :- &lt;/h2&gt;&quot;</span><span class=\"mtk1\">.</span><span class=\"mtk11\">createTable</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$errorContext</span><span class=\"mtk1\">);</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$headers</span><span class=\"mtk1\"> = </span><span class=\"mtk8\">&quot;MIME-Version: 1.0&quot;</span><span class=\"mtk1\"> . </span><span class=\"mtk8\">&quot;rn&quot;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk12\">$headers</span><span class=\"mtk1\"> .= </span><span class=\"mtk8\">&quot;Content-type:text/html;charset=UTF-8&quot;</span><span class=\"mtk1\"> . </span><span class=\"mtk8\">&quot;rn&quot;</span><span class=\"mtk1\">;</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">    </span><span class=\"mtk11\">mail</span><span class=\"mtk1\">(</span><span class=\"mtk12\">$emailAddress</span><span class=\"mtk1\">, </span><span class=\"mtk12\">$emailSubject</span><span class=\"mtk1\">, </span><span class=\"mtk12\">$emailMessage</span><span class=\"mtk1\">, </span><span class=\"mtk12\">$headers</span><span class=\"mtk1\">); </span><span class=\"mtk3\">// you may use SMTP, default php mail service OR other email sending process</span></span>\n<span class=\"grvsc-line\"><span class=\"mtk1\">}</span></span></code></pre>\n<p><strong>Step 3.</strong> Now save the file and upload on server.</p>\n<p>Whenever we got any error in wordpress then above code will send an email to given email-address (example@example.com). You can use the above code on production websites to improve application performance and track all errors that’s are missed.</p>\n<p>Similarly we can use above code in drupal, joomla, and many other content management systems.<br>\nCommon config files on other platforms are listed below:</p>\n<table>\n<thead>\n<tr>\n<th><strong>CMS/application name</strong></th>\n<th><strong>Location of common file</strong></th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>4Images Gallery</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>B2 Evolution</td>\n<td>/conf/_basic_config.php</td>\n</tr>\n<tr>\n<td>Boonex Dolphin</td>\n<td>/inc/header.inc.php</td>\n</tr>\n<tr>\n<td>Concrete5</td>\n<td>/config/site.php</td>\n</tr>\n<tr>\n<td>Coppermine Photo Gallery</td>\n<td>/include/config.inc.php</td>\n</tr>\n<tr>\n<td>Crafty Syntax Live Help</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>Cube Cart</td>\n<td>/includes/global.inc.php</td>\n</tr>\n<tr>\n<td>dotProject</td>\n<td>/includes/config.php</td>\n</tr>\n<tr>\n<td>Drupal</td>\n<td>/sites/default/settings.php</td>\n</tr>\n<tr>\n<td>e107</td>\n<td>/e107_config.php</td>\n</tr>\n<tr>\n<td>FAQMasterFlex</td>\n<td>/faq_config.php</td>\n</tr>\n<tr>\n<td>Gallery</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>Geeklog</td>\n<td>/db-config.php or /siteconfig.php or /lib-common.php</td>\n</tr>\n<tr>\n<td>glfusion</td>\n<td>/private/db-config.php</td>\n</tr>\n<tr>\n<td>Hotaru</td>\n<td>/hotaru_settings.php</td>\n</tr>\n<tr>\n<td>Joomla</td>\n<td>/configuration.php</td>\n</tr>\n<tr>\n<td>LiveSite</td>\n<td>/livesite/config.php</td>\n</tr>\n<tr>\n<td>LifeType</td>\n<td>/config/config.properties.php</td>\n</tr>\n<tr>\n<td>Mambo</td>\n<td>/configuration.php</td>\n</tr>\n<tr>\n<td>Marketecture</td>\n<td>/include/config.php</td>\n</tr>\n<tr>\n<td>MODx</td>\n<td>/manager/includes/config.inc.php</td>\n</tr>\n<tr>\n<td>Moodle</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>MyBB</td>\n<td>/inc/config.php</td>\n</tr>\n<tr>\n<td>Noahs Classifieds</td>\n<td>/app/config.php</td>\n</tr>\n<tr>\n<td>Nucleus</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>ocPortal</td>\n<td>/info.php</td>\n</tr>\n<tr>\n<td>OpenCart</td>\n<td>/config.php or /admin/config.php</td>\n</tr>\n<tr>\n<td>osCommerce</td>\n<td>/includes/configure.php or /admin/includes/configure.php</td>\n</tr>\n<tr>\n<td>Oxwall</td>\n<td>/ow_includes/config.php</td>\n</tr>\n<tr>\n<td>PHP-Nuke</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>phpBB</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>phpFormGenerator</td>\n<td>/index.php or /mysql.class.php</td>\n</tr>\n<tr>\n<td>phpFreeChat</td>\n<td>/forms/admin/config.inc.php (only if you have saved form input to a database)</td>\n</tr>\n<tr>\n<td>PHPlist</td>\n<td>/config/config.php</td>\n</tr>\n<tr>\n<td>phpMyDirectory</td>\n<td>/defaults.php</td>\n</tr>\n<tr>\n<td>phpWCMS</td>\n<td>/include/inc_conf/conf.inc.php</td>\n</tr>\n<tr>\n<td>phpWebSite</td>\n<td>/conf/config.php</td>\n</tr>\n<tr>\n<td>PhpWiki</td>\n<td>/admin.php or /lib/config.php</td>\n</tr>\n<tr>\n<td>Pligg</td>\n<td>/libs/dbconnect.php</td>\n</tr>\n<tr>\n<td>Post-Nuke</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>PrestaShop</td>\n<td>/config/settings.inc.php</td>\n</tr>\n<tr>\n<td>Saurus CMS</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>ShopSite</td>\n<td>/includes/configure.php or /admin/includes/configure.php</td>\n</tr>\n<tr>\n<td>Siteframe</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>Simple Machines Forum</td>\n<td>/Settings.php</td>\n</tr>\n<tr>\n<td>Soholaunch</td>\n<td>/sohoadmin/config/isp.conf.php</td>\n</tr>\n<tr>\n<td>SugarCRM</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>Textpattern</td>\n<td>/textpattern/config.php</td>\n</tr>\n<tr>\n<td>TikiWiki</td>\n<td>/db/local.php</td>\n</tr>\n<tr>\n<td>Tomato Cart</td>\n<td>/includes/configure.php</td>\n</tr>\n<tr>\n<td>TYPO3</td>\n<td>/typo3conf/localconf.php</td>\n</tr>\n<tr>\n<td>WebCalendar</td>\n<td>/includes/settings.php</td>\n</tr>\n<tr>\n<td>WHMCS</td>\n<td>/configuration.php</td>\n</tr>\n<tr>\n<td>WordPress</td>\n<td>/wp-config.php</td>\n</tr>\n<tr>\n<td>X7 Chat</td>\n<td>/config.php</td>\n</tr>\n<tr>\n<td>Xoops</td>\n<td>/mainfile.php</td>\n</tr>\n<tr>\n<td>Zen Cart</td>\n<td>/includes/configure.php or /admin/includes/configure.php</td>\n</tr>\n<tr>\n<td>Zikula</td>\n<td>/config.php</td>\n</tr>\n</tbody>\n</table>\n<style class=\"grvsc-styles\">\n  .grvsc-container {\n    overflow: auto;\n    -webkit-overflow-scrolling: touch;\n    padding-top: 1rem;\n    padding-top: var(--grvsc-padding-top, var(--grvsc-padding-v, 1rem));\n    padding-bottom: 1rem;\n    padding-bottom: var(--grvsc-padding-bottom, var(--grvsc-padding-v, 1rem));\n    border-radius: 8px;\n    border-radius: var(--grvsc-border-radius, 8px);\n    font-feature-settings: normal;\n  }\n  \n  .grvsc-code {\n    display: inline-block;\n    min-width: 100%;\n  }\n  \n  .grvsc-line {\n    display: inline-block;\n    box-sizing: border-box;\n    width: 100%;\n    padding-left: 1.5rem;\n    padding-left: var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem));\n    padding-right: 1.5rem;\n    padding-right: var(--grvsc-padding-right, var(--grvsc-padding-h, 1.5rem));\n  }\n  \n  .grvsc-line-highlighted {\n    background-color: var(--grvsc-line-highlighted-background-color, transparent);\n    box-shadow: inset var(--grvsc-line-highlighted-border-width, 4px) 0 0 0 var(--grvsc-line-highlighted-border-color, transparent);\n  }\n  \n  .dark-default-dark {\n    background-color: #1E1E1E;\n    color: #D4D4D4;\n  }\n  .dark-default-dark .mtk11 { color: #DCDCAA; }\n  .dark-default-dark .mtk1 { color: #D4D4D4; }\n  .dark-default-dark .mtk8 { color: #CE9178; }\n  .dark-default-dark .mtk3 { color: #6A9955; }\n  .dark-default-dark .mtk4 { color: #569CD6; }\n  .dark-default-dark .mtk12 { color: #9CDCFE; }\n  .dark-default-dark .mtk15 { color: #C586C0; }\n  .dark-default-dark .mtk7 { color: #B5CEA8; }\n  .dark-default-dark .mtk10 { color: #4EC9B0; }\n</style>","headings":[],"fields":{"slug":"/engineering/how-to-get-email-alerts-for-unhandled-php-exceptions/"},"frontmatter":{"metatitle":null,"metadescription":null,"description":null,"title":"How to Get Email Alerts for Unhandled PHP Exceptions","canonical":null,"date":"October 26, 2015","updated_date":null,"tags":["PHP","Email"],"coverImage":{"childImageSharp":{"fluid":{"aspectRatio":1,"src":"/static/4a396ee0a823348eb1c43701756c8981/c40f8/email-alerts-unhandled-php.png","srcSet":"/static/4a396ee0a823348eb1c43701756c8981/f5f11/email-alerts-unhandled-php.png 200w,\n/static/4a396ee0a823348eb1c43701756c8981/6d133/email-alerts-unhandled-php.png 400w,\n/static/4a396ee0a823348eb1c43701756c8981/c40f8/email-alerts-unhandled-php.png 610w","sizes":"(max-width: 610px) 100vw, 610px"}}},"author":{"id":"Team LoginRadius","github":"LoginRadius","bio":"LoginRadius is a leading provider of cloud-based Customer Identity and Access Management (cIAM) 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