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    <p><em>On production server:</em> Always disable php warnings.</p> <p><em>On development machine:</em> Disable all warnings for that page for the purpose of testing and re-enable after testing is complete and functionality confirmed as working.</p> <p><em>Hint</em>: I prefer to have a variable globally set and depending on that enable or disable all php and database warning notifications. You could set that in <code>.htaccess</code> for example if you use apache. I have this in <code>.htaccess</code>:</p> <ul> <li>production: <code>SetEnv DEVELOPMENT Off</code></li> <li>development: <code>SetEnv DEVELOPMENT On</code></li> </ul> <p>And in the php code:</p> <pre><code>if( strtolower(getenv('DEVELOPMENT')) == "on" ) { ini_set("display_errors",2); ini_set('error_reporting', E_ALL | E_STRICT); } </code></pre> <p>To disable all errors from .htaccess use</p> <pre><code>php_flag display_startup_errors off php_flag display_errors off php_flag html_errors off php_value docref_root 0 php_value docref_ext 0 </code></pre> <p>If you want to get really tricky you could add a check like:</p> <pre><code>if(error_get_last() !== null) </code></pre> <p>and set a http header and check that from javascript both for json output and when loading your page and take a look at the error log or display the error on screen if you prefer that, still I strongly recommend that you disable the error showing code in the production environment.</p> <p>For more in-depth talk about this take a look at <a href="http://perishablepress.com/advanced-php-error-handling-via-htaccess/">this article</a>.</p>
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    1. COI completely agree, but the code should eventually work fine with `display_errors` set to `on`. And in this specific case, that doesn't seem to be possible.
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    2. CO@BartFriederichs Disable error reporting from php.ini or .htaccess. That has to work. Added code for that in my answer.
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    3. CO@BartFriederichs One of the 2 ways I suggested should work, check the last part of my answer for a way to both have some kind of error reporting and it not affecting your output directly!
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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