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	<title>no_zero_date &#8211; SMsoft &#8211; informatica e dintorni</title>
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		<title>WordPress: Creating default object from empty value</title>
		<link>https://blog.smsoft.it/2023/01/17/wordpress-creating-default-object-from-empty-value/</link>
					<comments>https://blog.smsoft.it/2023/01/17/wordpress-creating-default-object-from-empty-value/#respond</comments>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 17 Jan 2023 09:30:00 +0000</pubDate>
				<category><![CDATA[Html e PHP]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Varie]]></category>
		<category><![CDATA[empty value]]></category>
		<category><![CDATA[no_zero_date]]></category>
		<category><![CDATA[no_zero_in_date]]></category>
		<category><![CDATA[wordpress]]></category>
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					<description><![CDATA[Se wordpress mostra il serguente errore: Warning: Creating default object from empty value in wordpress/wp-admin/includes/post.php on line 444 o l&#8217;errore: [Incorrect datetime value: ‘0000-00-00 00:00:00’ for column ‘post_date_gmt’ at row 1] significa che il motore database (MySQL) non pemette il valore &#8216;0000-00-00 00:00:00&#8217; nei campi data/ora ma richiede il valore NULL come default; wordpress non ... <a title="WordPress: Creating default object from empty value" class="read-more" href="https://blog.smsoft.it/2023/01/17/wordpress-creating-default-object-from-empty-value/" aria-label="Per saperne di più su WordPress: Creating default object from empty value">Leggi tutto</a>]]></description>
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<p class="wp-block-paragraph">Se wordpress mostra il serguente errore:</p>



<pre class="wp-block-preformatted">Warning: Creating default object from empty value in wordpress/wp-admin/includes/post.php on line 444</pre>



<p class="wp-block-paragraph">o l&#8217;errore:</p>



<pre class="wp-block-preformatted">[Incorrect datetime value: ‘0000-00-00 00:00:00’ for column ‘post_date_gmt’ at row 1]</pre>



<p class="wp-block-paragraph">significa che il motore database (MySQL) non pemette il valore &#8216;0000-00-00 00:00:00&#8217; nei campi data/ora ma richiede il valore NULL come default; wordpress non è aggiornato in tal senso, si riscontra questo errore.</p>



<p class="wp-block-paragraph">Tale anomalia si accompagna solitamente con:</p>



<ul class="wp-block-list">
<li>impossibilità di creare nuovi post</li>



<li>impossibilità di modificare i post</li>



<li>nell&#8217;interfaccia di admin, il pulsante &#8220;Pubblica&#8221; viene modificato in &#8220;Invia Bozza&#8221;</li>



<li>errori vari relativi al timestamp</li>
</ul>



<p class="wp-block-paragraph">Io consiglio la revisione della struttura delle varie tabelle per risolvere alla fonte, in alternativa è possibile inserire negli script di wordpress, dopo la connessione al database:</p>



<pre class="wp-block-code"><code>$modes = array("SET SESSION sql_mode = 'TRADITIONAL'");
$wpdb->set_sql_mode($modes);</code></pre>



<p class="wp-block-paragraph"></p>



<p class="wp-block-paragraph">enjoy!</p>
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