voicemail edit, log viewer, and sip status php 8.1 changes (#6738)

* Update voicemail_edit.php

* Update sip_status.php

* Update message.php

* Update log_viewer.php

* Update log_viewer.php

* Update sip_status.php

app/log_viewer/log_viewer.php

@@ -200,7 +200,10 @@
 		$array_filter[6]['type'] = 'bold';
 		$array_filter[6]['font'] = 'monospace';
 
+		$file_size = 0;
+		if (file_exists($log_file)) {
 			$file_size = filesize($log_file);
+		}
 
 		/*
 		// removed: duplicate of above
@@ -248,7 +251,7 @@
 				else {
 					//open the file
 					$byte_count ='0';
-					if ($file) {
+					if (!empty($file)) {
 						fseek($file, 0);
 					}
 					echo "<br>".$text['label-open_file']."<br>";
@@ -272,7 +275,7 @@
 
 		//start processing
 		$byte_count = 0;
-		if ($file) {
+		if (!empty($file)) {
 			while(!feof($file)) {
 				$log_line = escape(fgets($file));
 				$byte_count++;
@@ -342,7 +345,7 @@
 	require_once "resources/footer.php";
 
 //close the file
-	if ($file) {
+	if (!empty($file)) {
 		fclose($file);
 	}
 

app/sip_status/sip_status.php

@@ -67,7 +67,7 @@
 	}
 	$sql = "select sip_profile_uuid, sip_profile_name from v_sip_profiles ";
 	$sql .= "where sip_profile_enabled = 'true' ";
-	if ($hostname) {
+	if (!empty($hostname)) {
 		$sql .= "and (sip_profile_hostname = :sip_profile_hostname ";
 		$sql .= "or sip_profile_hostname = '' ";
 		$sql .= "or sip_profile_hostname is null) ";
@@ -75,8 +75,8 @@
 	}
 	$sql .= "order by sip_profile_name asc ";
 	$database = new database;
-	$rows = $database->select($sql, $parameters, 'all');
+	$rows = $database->select($sql, $parameters ?? null, 'all');
-	if (is_array($rows) && @sizeof($rows) != 0) {
+	if (!empty($rows)) {
 		foreach ($rows as $row) {
 			$sip_profiles[$row['sip_profile_name']] = $row['sip_profile_uuid'];
 		}
@@ -146,7 +146,7 @@
 		echo "</tr>\n";
 
 		//profiles
-			if ($xml->profile) {
+			if (!empty($xml) && $xml->profile) {
 				foreach ($xml->profile as $row) {
 					unset($list_row_url);
 					$profile_name = (string) $row->name;
@@ -169,7 +169,7 @@
 			}
 
 		//gateways
-			if ($xml_gateways->gateway) {
+			if (!empty($xml_gateways) && $xml_gateways->gateway) {
 				foreach ($xml_gateways->gateway as $row) {
 					unset($gateway_name, $gateway_domain_name, $list_row_url);
 
@@ -208,7 +208,7 @@
 			}
 
 		//aliases
-			if ($xml->alias) {
+			if (!empty($xml) && $xml->alias) {
 				foreach ($xml->alias as $row) {
 					echo "<tr class='list-row'>\n";
 					echo "	<td>".escape($row->name)."</td>\n";

app/voicemails/voicemail_edit.php

@@ -66,11 +66,12 @@
 	$show_option_delete = '';
 	$voicemail_option_digits = '';
 	$voicemail_option_description = '';
+	$voicemail_mail_to = '';
 
 //get http variables and set them to php variables
 	$referer_path = $_REQUEST["referer_path"] ?? '';
 	$referer_query = $_REQUEST["referer_query"] ?? '';
-	if (count($_POST) > 0) {
+	if (!empty($_POST)) {
 
 		//process the http post data by submitted action
 			if ($_POST['action'] != '' && is_uuid($_POST['voicemail_uuid'])) {
@@ -113,7 +114,7 @@
 	}
 
 //process the data
-	if (count($_POST) > 0 && empty($_POST["persistformvar"])) {
+	if (!empty($_POST) && empty($_POST["persistformvar"])) {
 
 		$msg = '';
 		if ($action == "update") {
@@ -146,7 +147,7 @@
 			}
 
 		//add or update the database
-			if ($_POST["persistformvar"] != "true") {
+			if (empty($_POST["persistformvar"])) {
 
 				//get a new voicemail_uuid
 					if ($action == "add" && permission_exists('voicemail_add')) {
@@ -361,7 +362,7 @@
 		unset($sql, $parameters);
 
 		$show_option_delete = false;
-		if (is_array($voicemail_options) && @sizeof($voicemail_options) != 0) {
+		if (!empty($voicemail_options)) {
 			foreach ($voicemail_options as $x => $field) {
 				$voicemail_option_param = $field['voicemail_option_param'];
 				if (empty(trim($voicemail_option_param))) {
@@ -416,7 +417,7 @@
 	}
 	$sql .= "order by v.voicemail_id asc";
 	$parameters['domain_uuid'] = $_SESSION['domain_uuid'];
-	if (is_uuid($voicemail_uuid ?? '')) {
+	if (!empty($voicemail_uuid) && is_uuid($voicemail_uuid)) {
 		$parameters['voicemail_uuid'] = $voicemail_uuid;
 	}
 	$database = new database;

resources/classes/message.php

@@ -33,7 +33,7 @@ if (!class_exists('message')) {
 				$mood = $mood ?: 'positive';
 				$delay = $delay ?: (1000 * (float) $_SESSION['theme']['message_delay']['text']);
 			//ignore duplicate messages
-				if (isset($_SESSION["messages"]) && is_array($_SESSION["messages"][$mood]['message']) && @sizeof($_SESSION["messages"][$mood]['message']) != 0) {
+				if (isset($_SESSION["messages"]) && !empty($_SESSION["messages"][$mood]['message'])) {
 					if (!in_array($message, $_SESSION["messages"][$mood]['message'])) {
 						$_SESSION["messages"][$mood]['message'][] = $message;
 						$_SESSION["messages"][$mood]['delay'][] = $delay;