diff --git a/htdocs/admin/company.php b/htdocs/admin/company.php
index b82f0fcd765..cac436955f5 100644
--- a/htdocs/admin/company.php
+++ b/htdocs/admin/company.php
@@ -393,18 +393,18 @@ print '<tr class="liste_titre"><th class="titlefield wordbreak">'.$langs->trans(
 
 // Name
 print '<tr class="oddeven"><td class="fieldrequired wordbreak"><label for="name">'.$langs->trans("CompanyName").'</label></td><td>';
-print '<input name="nom" id="name" class="minwidth200" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_NOM ? $conf->global->MAIN_INFO_SOCIETE_NOM : GETPOST("nom", 'nohtml')).'"'.(empty($conf->global->MAIN_INFO_SOCIETE_NOM) ? ' autofocus="autofocus"' : '').'></td></tr>'."\n";
+print '<input name="nom" id="name" class="minwidth200" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_NOM) ? $conf->global->MAIN_INFO_SOCIETE_NOM : GETPOST("nom", 'nohtml')).'"'.(empty($conf->global->MAIN_INFO_SOCIETE_NOM) ? ' autofocus="autofocus"' : '').'></td></tr>'."\n";
 
 // Address
 print '<tr class="oddeven"><td><label for="MAIN_INFO_SOCIETE_ADDRESS">'.$langs->trans("CompanyAddress").'</label></td><td>';
-print '<textarea name="MAIN_INFO_SOCIETE_ADDRESS" id="MAIN_INFO_SOCIETE_ADDRESS" class="quatrevingtpercent" rows="'.ROWS_3.'">'.($conf->global->MAIN_INFO_SOCIETE_ADDRESS ? $conf->global->MAIN_INFO_SOCIETE_ADDRESS : GETPOST("MAIN_INFO_SOCIETE_ADDRESS", 'nohtml')).'</textarea></td></tr>'."\n";
+print '<textarea name="MAIN_INFO_SOCIETE_ADDRESS" id="MAIN_INFO_SOCIETE_ADDRESS" class="quatrevingtpercent" rows="'.ROWS_3.'">'.(!empty($conf->global->MAIN_INFO_SOCIETE_ADDRESS) ? $conf->global->MAIN_INFO_SOCIETE_ADDRESS : GETPOST("MAIN_INFO_SOCIETE_ADDRESS", 'nohtml')).'</textarea></td></tr>'."\n";
 
 // Zip
 print '<tr class="oddeven"><td><label for="MAIN_INFO_SOCIETE_ZIP">'.$langs->trans("CompanyZip").'</label></td><td>';
-print '<input class="width100" name="MAIN_INFO_SOCIETE_ZIP" id="MAIN_INFO_SOCIETE_ZIP" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_ZIP ? $conf->global->MAIN_INFO_SOCIETE_ZIP : GETPOST("MAIN_INFO_SOCIETE_ZIP", 'alpha')).'"></td></tr>'."\n";
+print '<input class="width100" name="MAIN_INFO_SOCIETE_ZIP" id="MAIN_INFO_SOCIETE_ZIP" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_ZIP) ? $conf->global->MAIN_INFO_SOCIETE_ZIP : GETPOST("MAIN_INFO_SOCIETE_ZIP", 'alpha')).'"></td></tr>'."\n";
 
 print '<tr class="oddeven"><td><label for="MAIN_INFO_SOCIETE_TOWN">'.$langs->trans("CompanyTown").'</label></td><td>';
-print '<input name="MAIN_INFO_SOCIETE_TOWN" class="minwidth200" id="MAIN_INFO_SOCIETE_TOWN" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_TOWN ? $conf->global->MAIN_INFO_SOCIETE_TOWN : GETPOST("MAIN_INFO_SOCIETE_TOWN", 'nohtml')).'"></td></tr>'."\n";
+print '<input name="MAIN_INFO_SOCIETE_TOWN" class="minwidth200" id="MAIN_INFO_SOCIETE_TOWN" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_TOWN) ? $conf->global->MAIN_INFO_SOCIETE_TOWN : GETPOST("MAIN_INFO_SOCIETE_TOWN", 'nohtml')).'"></td></tr>'."\n";
 
 // Country
 print '<tr class="oddeven"><td class="fieldrequired"><label for="selectcountry_id">'.$langs->trans("Country").'</label></td><td class="maxwidthonsmartphone">';
@@ -431,25 +431,25 @@ print '</td></tr>'."\n";
 // Phone
 print '<tr class="oddeven"><td><label for="phone">'.$langs->trans("Phone").'</label></td><td>';
 print img_picto('', 'object_phoning', '', false, 0, 0, '', 'paddingright');
-print '<input name="tel" id="phone" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_TEL).'"></td></tr>';
+print '<input name="tel" id="phone" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_TEL) ? $conf->global->MAIN_INFO_SOCIETE_TEL : GETPOST("MAIN_INFO_SOCIETE_TEL", 'alphanohtml')).'"></td></tr>';
 print '</td></tr>'."\n";
 
 // Fax
 print '<tr class="oddeven"><td><label for="fax">'.$langs->trans("Fax").'</label></td><td>';
 print img_picto('', 'object_phoning_fax', '', false, 0, 0, '', 'paddingright');
-print '<input name="fax" id="fax" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_FAX).'"></td></tr>';
+print '<input name="fax" id="fax" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_FAX) ? $conf->global->MAIN_INFO_SOCIETE_FAX : GETPOST("MAIN_INFO_SOCIETE_FAX", 'alphanohtml')).'"></td></tr>';
 print '</td></tr>'."\n";
 
 // Email
 print '<tr class="oddeven"><td><label for="email">'.$langs->trans("EMail").'</label></td><td>';
 print img_picto('', 'object_email', '', false, 0, 0, '', 'paddingright');
-print '<input name="mail" id="email" class="minwidth200" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_MAIL).'"></td></tr>';
+print '<input name="mail" id="email" class="minwidth200" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_MAIL) ? $conf->global->MAIN_INFO_SOCIETE_MAIL : GETPOST("MAIN_INFO_SOCIETE_MAIL", 'alphanohtml')).'"></td></tr>';
 print '</td></tr>'."\n";
 
 // Web
 print '<tr class="oddeven"><td><label for="web">'.$langs->trans("Web").'</label></td><td>';
 print img_picto('', 'globe', '', false, 0, 0, '', 'paddingright');
-print '<input name="web" id="web" class="minwidth300" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_WEB).'"></td></tr>';
+print '<input name="web" id="web" class="minwidth300" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_WEB) ? $conf->global->MAIN_INFO_SOCIETE_WEB : GETPOST("MAIN_INFO_SOCIETE_WEB", 'alphanohtml')).'"></td></tr>';
 print '</td></tr>'."\n";
 
 // Barcode
@@ -457,7 +457,7 @@ if (!empty($conf->barcode->enabled)) {
 	print '<tr class="oddeven"><td>';
 	print '<label for="barcode">'.$langs->trans("Gencod").'</label></td><td>';
 	print '<span class="fa paddingright fa-barcode"></span>';
-	print '<input name="barcode" id="barcode" class="minwidth150" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_GENCOD).'"></td></tr>';
+	print '<input name="barcode" id="barcode" class="minwidth150" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_GENCOD) ? $conf->global->MAIN_INFO_SOCIETE_GENCOD : GETPOST("MAIN_INFO_SOCIETE_GENCOD", 'alphanohtml')).'"></td></tr>';
 	print '</td></tr>';
 }
 
@@ -534,7 +534,7 @@ print '</td></tr>';
 
 // Note
 print '<tr class="oddeven"><td class="tdtop"><label for="note">'.$langs->trans("Note").'</label></td><td>';
-print '<textarea class="flat quatrevingtpercent" name="note" id="note" rows="'.ROWS_5.'">'.(GETPOSTISSET('note') ? GETPOST('note', 'restricthtml') : $conf->global->MAIN_INFO_SOCIETE_NOTE).'</textarea></td></tr>';
+print '<textarea class="flat quatrevingtpercent" name="note" id="note" rows="'.ROWS_5.'">'.(!empty($conf->global->MAIN_INFO_SOCIETE_NOTE) ? $conf->global->MAIN_INFO_SOCIETE_NOTE : GETPOST("MAIN_INFO_SOCIETE_NOTE", 'restricthtml')).'</textarea></td></tr>';
 print '</td></tr>';
 
 print '</table>';
@@ -549,17 +549,17 @@ $langs->load("companies");
 
 // Managing Director(s)
 print '<tr class="oddeven"><td><label for="director">'.$langs->trans("ManagingDirectors").'</label></td><td>';
-print '<input name="MAIN_INFO_SOCIETE_MANAGERS" id="directors" class="minwidth200" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_SOCIETE_MANAGERS).'"></td></tr>';
+print '<input name="MAIN_INFO_SOCIETE_MANAGERS" id="directors" class="minwidth200" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_SOCIETE_MANAGERS) ? $conf->global->MAIN_INFO_SOCIETE_MANAGERS : GETPOST("MAIN_INFO_SOCIETE_MANAGERS", 'nohtml')).'"></td></tr>';
 
 // GDPR contact
 print '<tr class="oddeven"><td>';
 print $form->textwithpicto($langs->trans("GDPRContact"), $langs->trans("GDPRContactDesc"));
 print '</td><td>';
-print '<input name="MAIN_INFO_GDPR" id="infodirector" class="minwidth500" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_GDPR).'"></td></tr>';
+print '<input name="MAIN_INFO_GDPR" id="infodirector" class="minwidth500" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_GDPR) ? $conf->global->MAIN_INFO_GDPR : GETPOST("MAIN_INFO_GDPR", 'nohtml')).'"></td></tr>';
 
 // Capital
 print '<tr class="oddeven"><td><label for="capital">'.$langs->trans("Capital").'</label></td><td>';
-print '<input name="capital" id="capital" class="maxwidth100" value="'.dol_escape_htmltag($conf->global->MAIN_INFO_CAPITAL).'"></td></tr>';
+print '<input name="capital" id="capital" class="maxwidth100" value="'.dol_escape_htmltag(!empty($conf->global->MAIN_INFO_CAPITAL) ? $conf->global->MAIN_INFO_CAPITAL : GETPOST("MAIN_INFO_CAPITAL", 'nohtml')).'"></td></tr>';
 
 // Juridical Status
 print '<tr class="oddeven"><td><label for="forme_juridique_code">'.$langs->trans("JuridicalStatus").'</label></td><td>';
diff --git a/htdocs/core/class/translate.class.php b/htdocs/core/class/translate.class.php
index 11e67104f9a..ac9285363d7 100644
--- a/htdocs/core/class/translate.class.php
+++ b/htdocs/core/class/translate.class.php
@@ -731,7 +731,7 @@ class Translate
 	 */
 	public function transcountry($str, $countrycode)
 	{
-		if ($this->tab_translate["$str$countrycode"]) return $this->trans("$str$countrycode");
+		if (!empty($this->tab_translate["$str$countrycode"])) return $this->trans("$str$countrycode");
 		else return $this->trans($str);
 	}
 
diff --git a/htdocs/core/modules/modStock.class.php b/htdocs/core/modules/modStock.class.php
index c15f041d21d..1e36bcb66ff 100644
--- a/htdocs/core/modules/modStock.class.php
+++ b/htdocs/core/modules/modStock.class.php
@@ -254,7 +254,7 @@ class modStock extends DolibarrModules
 		$this->export_sql_end[$r] .= ' AND e.entity IN ('.getEntity('stock').')';
 
 		// Export stock including batch number
-		if ($conf->productbatch->enabled)
+		if (!empty($conf->productbatch->enabled))
 		{
 			$langs->load("productbatch");
 
diff --git a/htdocs/core/tpl/passwordforgotten.tpl.php b/htdocs/core/tpl/passwordforgotten.tpl.php
index 937ee63a68c..44d3c0199ac 100644
--- a/htdocs/core/tpl/passwordforgotten.tpl.php
+++ b/htdocs/core/tpl/passwordforgotten.tpl.php
@@ -81,9 +81,9 @@ $(document).ready(function () {
 <!-- Title with version -->
 <div class="login_table_title center" title="<?php echo dol_escape_htmltag($title); ?>">
 <?php
-if ($disablenofollow) echo '<a class="login_table_title" href="https://www.dolibarr.org" target="_blank">';
+if (!empty($disablenofollow)) echo '<a class="login_table_title" href="https://www.dolibarr.org" target="_blank">';
 echo dol_escape_htmltag($title);
-if ($disablenofollow) echo '</a>';
+if (!empty($disablenofollow)) echo '</a>';
 ?>
 </div>
 
@@ -113,7 +113,7 @@ if ($disablenofollow) echo '</a>';
 </div>
 
 <?php
-if ($captcha) {
+if (!empty($captcha)) {
 	// Add a variable param to force not using cache (jmobile)
 	$php_self = preg_replace('/[&\?]time=(\d+)/', '', $php_self); // Remove param time
 	if (preg_match('/\?/', $php_self)) $php_self .= '&time='.dol_print_date(dol_now(), 'dayhourlog');
@@ -200,7 +200,7 @@ if (!empty($morelogincontent)) {
 
 <br>
 
-<?php if ($message) { ?>
+<?php if (!empty($message)) { ?>
 	<div class="center login_main_message">
 	<?php echo dol_htmloutput_mesg($message, '', '', 1); ?>
 	</div>