diff --git a/src/Convert/Strings.php b/src/Convert/Strings.php
index 2935e26..8163239 100644
--- a/src/Convert/Strings.php
+++ b/src/Convert/Strings.php
@@ -134,6 +134,18 @@ class Strings
 			$path
 		) ?? $path;
 	}
+
+	/**
+	 * Remove UTF8 BOM Byte string from line
+	 * Note: this is often found in CSV files exported from Excel at the first row, first element
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	public static function stripUTF8BomBytes(string $text): string
+	{
+		return trim($text, pack('H*', 'EFBBBF'));
+	}
 }
 
 // __END__
diff --git a/src/DB/IO.php b/src/DB/IO.php
index a6d7ad6..c28471e 100644
--- a/src/DB/IO.php
+++ b/src/DB/IO.php
@@ -2402,7 +2402,7 @@ class IO
 				// flag if we have cache data stored at the moment
 				'cached' => false,
 				// when fetch array or cache read returns false
-				// in loop read that means dbReturn retuns false without erro
+				// in loop read that means dbReturn retuns false without error
 				'finished' => false,
 				 // read from cache/db (pos == rows)
 				'read_finished' => false,
diff --git a/src/Get/System.php b/src/Get/System.php
index 690b43b..3a2bd2b 100644
--- a/src/Get/System.php
+++ b/src/Get/System.php
@@ -116,6 +116,29 @@ class System
 			3
 		) === 'cli' ? true : false;
 	}
+
+	/**
+	 * Collect all IP addresses
+	 * REMOTE_ADDR, HTTP_X_FORWARD_FOR, CLIENT_IP
+	 * and retuns them in an array with index of io source
+	 * if address source has addresses with "," will add "-array" with these as array block
+	 *
+	 * @return array<string,string|array<string>>
+	 */
+	public static function getIpAddresses(): array
+	{
+		$ip_addr = [];
+		foreach (['REMOTE_ADDR', 'HTTP_X_FORWARDED_FOR', 'CLIENT_IP'] as $_ip_source) {
+			if (!empty($_SERVER[$_ip_source])) {
+				$ip_addr[$_ip_source] = $_SERVER[$_ip_source];
+				// same level as ARRAY IF there is a , inside
+				if (strstr($_SERVER[$_ip_source], ',') !== false) {
+					$ip_addr[$_ip_source . '-array'] = explode(',', $_SERVER[$_ip_source]);
+				}
+			}
+		}
+		return $ip_addr;
+	}
 }
 
 // __END__
diff --git a/src/Template/HtmlBuilder/Block.php b/src/Template/HtmlBuilder/Block.php
index 2015280..ec8b9e3 100644
--- a/src/Template/HtmlBuilder/Block.php
+++ b/src/Template/HtmlBuilder/Block.php
@@ -19,7 +19,7 @@ use CoreLibs\Template\HtmlBuilder\General\HtmlBuilderExcpetion;
 class Block
 {
 	/**
-	 * Undocumented function
+	 * Create Element
 	 *
 	 * @param  string $tag
 	 * @param  string $id
@@ -86,7 +86,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Add multiple elements to the base element
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $base
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} ...$attach
@@ -101,7 +101,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Add multiple sub elements to the base element
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $sub
@@ -117,7 +117,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Remove all sub element entries
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @return array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>}
@@ -131,7 +131,7 @@ class Block
 	// CSS Elements
 
 	/**
-	 * Undocumented function
+	 * Add css entry to the css entries
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @param  string ...$css
@@ -144,7 +144,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Remove a css entry entry from the css array
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @param  string ...$css
@@ -157,7 +157,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Switch CSS entries
 	 * scssel (switch) is not supported
 	 * use rcssel -> acssel
 	 *
@@ -175,7 +175,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Build HTML from the content tree
 	 * alias phfo
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $tree
@@ -231,7 +231,19 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Alias for phfo
+	 *
+	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $tree
+	 * @param  bool         $add_nl [default=false]
+	 * @return string
+	 */
+	public static function phfo(array $tree, bool $add_nl = false): string
+	{
+		return self::buildHtml($tree, $add_nl);
+	}
+
+	/**
+	 * Build HTML elements from an array of elements
 	 * alias phfa
 	 *
 	 * @param  array<array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>}> $list
@@ -248,8 +260,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
-	 * wrapper for buildHtmlFromList
+	 * alias for buildHtmlFromList
 	 *
 	 * @param  array<array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>}> $list                   array of Elements to build string from
 	 * @param  bool           $add_nl [default=false] Optional output string line break
diff --git a/src/Template/SmartyExtend.php b/src/Template/SmartyExtend.php
index 9487066..e9b906d 100644
--- a/src/Template/SmartyExtend.php
+++ b/src/Template/SmartyExtend.php
@@ -203,7 +203,8 @@ class SmartyExtend extends \Smarty
 		_bind_textdomain_codeset($this->domain, $this->encoding);
 
 		// register smarty variable
-		$this->registerPlugin('modifier', 'getvar', [&$this, 'getTemplateVars']);
+		// $this->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'getvar', [&$this, 'getTemplateVars']);
+		$this->registerPlugin(self::PLUGIN_MODIFIER, 'getvar', [&$this, 'getTemplateVars']);
 
 		$this->page_name = \CoreLibs\Get\System::getPageName();
 
diff --git a/test/phpunit/Convert/CoreLibsConvertStringsTest.php b/test/phpunit/Convert/CoreLibsConvertStringsTest.php
index 0b2f79a..c6c9225 100644
--- a/test/phpunit/Convert/CoreLibsConvertStringsTest.php
+++ b/test/phpunit/Convert/CoreLibsConvertStringsTest.php
@@ -13,6 +13,8 @@ use PHPUnit\Framework\TestCase;
  */
 final class CoreLibsConvertStringsTest extends TestCase
 {
+	private const DATA_FOLDER = __DIR__ . DIRECTORY_SEPARATOR . 'data' . DIRECTORY_SEPARATOR;
+
 	/**
 	 * Undocumented function
 	 *
@@ -330,6 +332,52 @@ final class CoreLibsConvertStringsTest extends TestCase
 			\CoreLibs\Convert\Strings::stripMultiplePathSlashes($input)
 		);
 	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function providerStripUTF8BomBytes(): array
+	{
+		return [
+			"utf8-bom" => [
+				"file" => "UTF8BOM.csv",
+				"expect" => "Asset Type,Epic,File Name\n",
+			],
+			"utf8" => [
+				"file" => "UTF8.csv",
+				"expect" => "Asset Type,Epic,File Name\n",
+			],
+		];
+	}
+
+	/**
+	 * test utf8 bom remove
+	 *
+	 * @covers ::stripUTF8BomBytes
+	 * @dataProvider providerStripUTF8BomBytes
+	 * @testdox stripUTF8BomBytes $file will be $expected [$_dataName]
+	 *
+	 * @param  string $file
+	 * @param  string $expected
+	 * @return void
+	 */
+	public function testStripUTF8BomBytes(string $file, string $expected): void
+	{
+		// load sample file
+		if (!is_file(self::DATA_FOLDER . $file)) {
+			$this->markTestSkipped('File: ' . $file . ' could not be opened');
+		}
+		$file = file_get_contents(self::DATA_FOLDER . $file);
+		if ($file === false) {
+			$this->markTestSkipped('File: ' . $file . ' could not be read');
+		}
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Convert\Strings::stripUTF8BomBytes($file)
+		);
+	}
 }
 
 // __END__
diff --git a/test/phpunit/Convert/data/UTF8.csv b/test/phpunit/Convert/data/UTF8.csv
new file mode 100644
index 0000000..e19b244
--- /dev/null
+++ b/test/phpunit/Convert/data/UTF8.csv
@@ -0,0 +1 @@
+Asset Type,Epic,File Name
diff --git a/test/phpunit/Convert/data/UTF8BOM.csv b/test/phpunit/Convert/data/UTF8BOM.csv
new file mode 100644
index 0000000..87ddd55
--- /dev/null
+++ b/test/phpunit/Convert/data/UTF8BOM.csv
@@ -0,0 +1 @@
+Asset Type,Epic,File Name
diff --git a/test/phpunit/Get/CoreLibsGetSystemTest.php b/test/phpunit/Get/CoreLibsGetSystemTest.php
index a73e91f..9017a6d 100644
--- a/test/phpunit/Get/CoreLibsGetSystemTest.php
+++ b/test/phpunit/Get/CoreLibsGetSystemTest.php
@@ -216,6 +216,29 @@ final class CoreLibsGetSystemTest extends TestCase
 			);
 		}
 	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::getIpAddresses
+	 * @testdox getIpAddresses check
+	 *
+	 * @return void
+	 */
+	public function testGetIpAddresses()
+	{
+		// response must have "REMOTE_ADDR" entry, others are optional
+		// NOTE: we have no IP addresses on command line
+		$this->assertTrue(
+			true,
+			"We do not have REMOTE_ADDR on command line"
+		);
+		// $this->assertContains(
+		// 	'REMOTE_ADDR',
+		// 	array_keys(\CoreLibs\Get\System::getIpAddresses()),
+		// 	'failed REMOTE_ADDR assert'
+		// );
+	}
 }
 
 // __END__