new Support::getCallStack, new DateTime::intervalStringFormat, exception updates Convert\Byte, Output\Image

src/Combined/DateTime.php

@@ -108,7 +108,12 @@ class DateTime
 		if (preg_match("/(h|m|s|ms)/", (string)$timestamp)) {
 			return (string)$timestamp;
 		}
-		list($timestamp, $ms) = array_pad(explode('.', (string)round((float)$timestamp, 4)), 2, null);
+		// split to 6 (nano seconds)
+		list($timestamp, $ms) = array_pad(explode('.', (string)round((float)$timestamp, 6)), 2, null);
+		// if micro seconds is on and we have none, set to 0
+		if ($show_micro && $ms === null) {
+			$ms = 0;
+		}
 		// if negative remember
 		$negative = false;
 		if ((int)$timestamp < 0) {
@@ -120,6 +125,10 @@ class DateTime
 		$time_string = '';
 		// if timestamp is zero, return zero string
 		if ($timestamp == 0) {
+			// if no seconds and we have no microseconds either, show no micro seconds
+			if ($ms == 0) {
+				$ms = null;
+			}
 			$time_string = '0s';
 		} else {
 			for ($i = 0, $iMax = count($timegroups); $i < $iMax; $i++) {
@@ -133,11 +142,8 @@ class DateTime
 		}
 		// only add ms if we have an ms value
 		if ($ms !== null) {
-			// if we have ms and it has leading zeros, remove them, but only if it is nut just 0
+			// prefix the milliseoncds with 0. and round it max 3 digits and then convert to int
-			$ms = preg_replace("/^0+(\d+)$/", '${1}', $ms);
+			$ms = round((float)('0.' . $ms), 3) * 1000;
-			if (!is_string($ms) || empty($ms)) {
-				$ms = '0';
-			}
 			// add ms if there
 			if ($show_micro) {
 				$time_string .= ' ' . $ms . 'ms';
@@ -151,6 +157,240 @@ class DateTime
 		return (string)$time_string;
 	}
 
+	/**
+	 * update timeStringFormat with year and month support
+	 *
+	 * The following flags have to be set to be timeStringFormat compatible.
+	 * Not that on seconds overflow this method will throw an exception, timeStringFormat returned -1s
+	 * show_only_days: true,
+	 * skip_zero: false,
+	 * skip_last_zero: false,
+	 * truncate_nanoseconds: true,
+	 * truncate_zero_seconds_if_microseconds: false
+	 *
+	 * @param  int|float $seconds                        Seconds to convert, maxium 6 decimals,
+	 *                                                   else \UnexpectedValueException will be thrown
+	 *                                                   if days too large or years too large \LengthException is thrown
+	 * @param  string    $truncate_after [='']           Truncate after which time name, will not round, hard end
+	 *                                                   values are parts names or interval short names (y, d, f, ...)
+	 *                                                   if illegal value \UnexpectedValueException is thrown
+	 * @param  bool      $natural_seperator [=false]     use ',' and 'and', if off use space
+	 * @param  bool      $name_space_seperator [=false]  add a space between the number and the time name
+	 * @param  bool      $show_microseconds [=true]      show microseconds
+	 * @param  bool      $short_time_name [=true]        use the short time names (eg s instead of seconds)
+	 * @param  bool      $skip_last_zero [=true]         skip all trailing zero values, eg 5m 0s => 5m
+	 * @param  bool      $skip_zero [=true]              do not show zero values anywhere, eg 1h 0m 20s => 1h 20s
+	 * @param  bool      $show_only_days [=false]        do not show years or months, show only days
+	 *                                                   if truncate after is set to year or month
+	 *                                                   throws \UnexpectedValueException
+	 * @param  bool      $auto_fix_microseconds [=false] if the micro seconds decimals are more than 6, round them
+	 *                                                   on defaul throw \UnexpectedValueException
+	 * @param  bool      $truncate_nanoseconds [=false]  if microseconds decimals >3 then normal we show 123.4ms
+	 *                                                   cut the .4 is set to true
+	 * @param  bool      $truncate_zero_seconds_if_microseconds [=true] if we have 0.123 seconds then if true no seconds
+	 *                                                   will be shown
+	 * @return string
+	 * @throws \UnexpectedValueException if seconds has more than 6 decimals
+	 *                                   if truncate has an illegal value
+	 *                                   if truncate is set to year or month and show_only_days is turned on
+	 * @throws \LengthException          if seconds is too large and show_days_only is selected and days is negetive
+	 *                                   or if years is negativ
+	 */
+	public static function intervalStringFormat(
+		int|float $seconds,
+		string $truncate_after = '',
+		bool $natural_seperator = false,
+		bool $name_space_seperator = false,
+		bool $show_microseconds = true,
+		bool $short_time_name = true,
+		bool $skip_last_zero = true,
+		bool $skip_zero = true,
+		bool $show_only_days = false,
+		bool $auto_fix_microseconds = false,
+		bool $truncate_nanoseconds = false,
+		bool $truncate_zero_seconds_if_microseconds = true,
+	): string {
+		// auto fix long seconds, else \UnexpectedValueException will be thrown on error
+		// check if we have float and -> round to 6
+		if ($auto_fix_microseconds === true && is_float($seconds)) {
+			$seconds = round($seconds, 6);
+		}
+		// flag negative + set abs
+		$negative = $seconds < 0 ? '-' : '';
+		$seconds = abs($seconds);
+		// create base time
+		$date_now = new \DateTime("@0");
+		try {
+			$date_seconds = new \DateTime("@$seconds");
+		} catch (\Exception $e) {
+			throw new \UnexpectedValueException(
+				'Seconds value is invalid, too large or more than six decimals: ' . $seconds,
+				1,
+				$e
+			);
+		}
+		$interval = date_diff($date_now, $date_seconds);
+		// if show_only_days and negative but input postive alert that this has to be done in y/m/d ...
+		if ($interval->y < 0) {
+			throw new \LengthException('Input seconds value is too large for years output: ' . $seconds, 2);
+		} elseif ($interval->days < 0 && $show_only_days === true) {
+			throw new \LengthException('Input seconds value is too large for days output: ' . $seconds, 3);
+		}
+		$parts = [
+			'years' => 'y',
+			'months' => 'm',
+			'days' => 'd',
+			'hours' => 'h',
+			'minutes' => 'i',
+			'seconds' => 's',
+			'microseconds' => 'f',
+		];
+		$short_name = [
+			'years' => 'y', 'months' => 'm', 'days' => 'd',
+			'hours' => 'h', 'minutes' => 'm', 'seconds' => 's',
+			'microseconds' => 'ms'
+		];
+		// $skip = false;
+		if (!empty($truncate_after)) {
+			// if truncate after not in key or value in parts
+			if (!in_array($truncate_after, array_keys($parts)) && !in_array($truncate_after, array_values($parts))) {
+				throw new \UnexpectedValueException(
+					'truncate_after has an invalid value: ' . $truncate_after,
+					4
+				);
+			}
+			// if truncate after is y or m and we have show_only_days, throw exception
+			if ($show_only_days === true && in_array($truncate_after, ['y', 'years', 'm', 'months'])) {
+				throw new \UnexpectedValueException(
+					'If show_only_days is turned on, the truncate_after cannot be years or months: '
+						. $truncate_after,
+					5
+				);
+			}
+			// $skip = true;
+		}
+		$formatted = [];
+		$zero_formatted = [];
+		$value_set = false;
+		$add_zero_seconds = false;
+		foreach ($parts as $time_name => $part) {
+			if (
+				// skip for micro seconds
+				($show_microseconds === false && $part == 'f') ||
+				// skip for if days only and we have year or month
+				($show_only_days === true && in_array($part, ['y', 'm']))
+			) {
+				continue;
+			}
+			$add_value = 0;
+			if ($show_only_days === true && $part == 'd') {
+				$value = $interval->days;
+			} else {
+				$value = $interval->$part;
+			}
+			// print "-> V: $value | $part, $time_name"
+			// 	. " | Set: " . ($value_set ? 'Y' : 'N') . ", SkipZ: " . ($skip_zero ? 'Y' : 'N')
+			// 	. " | SkipLZ: " . ($skip_last_zero ? 'Y' : 'N')
+			// 	. " | " . ($value != 0 ? 'Not zero' : 'ZERO') . "<br>";
+			if ($value != 0) {
+				if ($part == 'f') {
+					if ($truncate_nanoseconds === true) {
+						$value = round($value, 3);
+					}
+					$value *= 1000;
+					// anything above that is nano seconds?
+				}
+				if ($value) {
+					$value_set = true;
+				}
+				$add_value = 1;
+			} elseif (
+				$value == 0 &&
+				$value_set === true && (
+					$skip_last_zero === false ||
+					$skip_zero === false
+				)
+			) {
+				$add_value = 2;
+			}
+			// echo "ADD VALUE: $add_value<br>";
+			if ($add_value) {
+				// build format
+				$format = "$value";
+				if ($name_space_seperator) {
+					$format .= " ";
+				}
+				if ($short_time_name) {
+					$format .= $short_name[$time_name];
+				} elseif ($value == 1) {
+					$format .= substr($time_name, 0, -1);
+				} else {
+					$format .= $time_name;
+				}
+				if ($add_value == 1) {
+					if (count($zero_formatted) && $skip_zero === false) {
+						$formatted = array_merge($formatted, $zero_formatted);
+					}
+					$zero_formatted = [];
+					$formatted[] = $format;
+				} elseif ($add_value == 2) {
+					$zero_formatted[] = $format;
+				}
+			}
+			// if seconds is zero
+			if (
+				$part == 's' && $value == 0 &&
+				$show_microseconds === true &&
+				$truncate_zero_seconds_if_microseconds === false
+			) {
+				$add_zero_seconds = true;
+			}
+			// stop after a truncate is matching
+			if ($part == $truncate_after || $truncate_after == $time_name) {
+				break;
+			}
+		}
+		// add all zero entries if we have skip last off
+		if (count($zero_formatted) && $skip_last_zero === false) {
+			$formatted = array_merge($formatted, $zero_formatted);
+		}
+		// print "=> F: " . print_r($formatted, true)
+		// 	. " | Z: " . print_r($zero_list, true)
+		// 	. " | ZL: " . print_r($zero_last_list, true)
+		// 	. "<br>";
+		if (count($formatted) == 0) {
+			// if we have truncate on, then we assume nothing was found
+			if (!empty($truncate_after)) {
+				if (in_array($truncate_after, array_values($parts))) {
+					$truncate_after = array_flip($parts)[$truncate_after];
+				}
+				$time_name = $truncate_after;
+			} else {
+				$time_name = 'seconds';
+			}
+			return '0' . ($name_space_seperator ? ' ' : '')
+				. ($short_time_name ? $short_name[$time_name] : $time_name);
+		} elseif (count($formatted) == 1) {
+			return $negative .
+				($add_zero_seconds ?
+					'0'
+						. ($name_space_seperator ? ' ' : '')
+						. ($short_time_name ? $short_name['seconds'] : 'seconds')
+						. ' '
+					: ''
+				)
+				. $formatted[0];
+		} elseif ($natural_seperator === false) {
+			return $negative . implode(' ', $formatted);
+		} else {
+			$str = implode(', ', array_slice($formatted, 0, -1));
+			if (!empty($formatted[count($formatted) - 1])) {
+				$str .= ' and ' . $formatted[count($formatted) - 1];
+			}
+			return $negative . $str;
+		}
+	}
+
 	/**
 	 * does a reverse of the timeStringFormat and converts the string from
 	 * xd xh xm xs xms to a timestamp.microtime format

src/Convert/Byte.php

@@ -37,7 +37,7 @@ class Byte
 	 *                                 BYTE_FORMAT_ADJUST: sprintf adjusted two 2 decimals
 	 *                                 BYTE_FORMAT_SI: use 1000 instead of 1024
 	 * @return string                  converted byte number (float) with suffix
-	 * @throws \Exception               1: no valid flag set
+	 * @throws \InvalidArgumentException 1: no valid flag set
 	 */
 	public static function humanReadableByteFormat(string|int|float $bytes, int $flags = 0): string
 	{
@@ -63,7 +63,7 @@ class Byte
 				$si = false;
 			}
 			if ($flags > 7) {
-				throw new \Exception("Invalid flags parameter: $flags", 1);
+				throw new \InvalidArgumentException("Invalid flags parameter: $flags", 1);
 			}
 
 			// si or normal
@@ -119,7 +119,7 @@ class Byte
 	 * @param  int              $flags  bitwise flag with use space turned on
 	 *                                  BYTE_FORMAT_SI: use 1000 instead of 1024
 	 * @return string|int|float         converted value or original value
-	 * @throws \Exception                1: no valid flag set
+	 * @throws \InvalidArgumentException 1: no valid flag set
 	 */
 	public static function stringByteFormat(string|int|float $number, int $flags = 0): string|int|float
 	{
@@ -130,7 +130,7 @@ class Byte
 			$si = false;
 		}
 		if ($flags != 0 && $flags != 4) {
-			throw new \Exception("Invalid flags parameter: $flags", 1);
+			throw new \InvalidArgumentException("Invalid flags parameter: $flags", 1);
 		}
 		// matches in regex
 		$matches = [];

src/Debug/Support.php

@@ -295,8 +295,7 @@ class Support
 	 * Will start with start_level to skip unwanted from stack
 	 * Defaults to skip level 0 wich is this methid
 	 *
-	 * @param  integer $start_level From what level on, as defaul starts with 1
+	 * @param  integer $start_level [=1] From what level on, starts with 1 to exclude self
-	 *                              to exclude self
 	 * @return array<mixed>         All method names in list where max is last called
 	 */
 	public static function getCallerMethodList(int $start_level = 1): array
@@ -304,15 +303,46 @@ class Support
 		$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
 		$methods = [];
 		foreach ($traces as $level => $data) {
-			if ($level >= $start_level) {
+			if ($level < $start_level) {
-				if (!empty($data['function'])) {
+				continue;
-					array_unshift($methods, $data['function']);
+			}
-				}
+			if (!empty($data['function'])) {
+				array_unshift($methods, $data['function']);
 			}
 		}
 		return $methods;
 	}
 
+	/**
+	 * Get the full call stack from a certain starting level
+	 * The return string is
+	 * file:line:class->method
+	 *
+	 * Note that '::' is used for static calls
+	 *
+	 * @param  int   $start_level [=1] starts with 1 to exclude itself
+	 * @return array<string>      string with file, line, class and method
+	 */
+	public static function getCallStack(int $start_level = 1): array
+	{
+		$call_stack = [];
+		$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+		foreach ($backtrace as $level => $call_trace) {
+			if ($level < $start_level) {
+				continue;
+			}
+			$call_stack[] =
+				($call_trace['file'] ?? 'n/f') . ':'
+				. ($call_trace['line'] ?? '-') . ':'
+				. (!empty($call_trace['class']) ?
+					$call_trace['class'] . ($call_trace['type'] ?? '') :
+					''
+				)
+				. $call_trace['function'];
+		}
+		return $call_stack;
+	}
+
 	/**
 	 * Get the current class where this function is called
 	 * Is mostly used in debug log statements to get the class where the debug

src/Output/Image.php

@@ -78,7 +78,7 @@ class Image
 				if (!empty($dummy) && file_exists($filename) && is_file($filename)) {
 					$return_data = $filename;
 				} else {
-					throw new \Exception('Could not set dummy return file: ' . $dummy . ' in ' . $filename);
+					throw new \RuntimeException('Could not set dummy return file: ' . $dummy . ' in ' . $filename);
 				}
 			} else {
 				$return_data = $dummy;

test/phpunit/Combined/CoreLibsCombinedDateTimeTest.php

@@ -66,6 +66,34 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * date string convert test
+	 *
+	 * @covers ::dateStringFormat
+	 * @dataProvider timestampProvider
+	 * @testdox dateStringFormat $input (microtime $flag) will be $expected [$_dataName]
+	 *
+	 * @param int|float $input
+	 * @param bool      $flag
+	 * @param string    $expected
+	 * @return void
+	 */
+	public function testDateStringFormat(
+		$input,
+		bool $flag_show_micro,
+		bool $flag_micro_as_float,
+		string $expected
+	): void {
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::dateStringFormat(
+				$input,
+				$flag_show_micro,
+				$flag_micro_as_float
+			)
+		);
+	}
+
 	/**
 	 * interval for both directions
 	 *
@@ -74,6 +102,11 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 	public function intervalProvider(): array
 	{
 		return [
+			'on hour' => [
+				3600,
+				false,
+				'1h 0m 0s'
+			],
 			'interval no microtime' => [
 				1641515890,
 				false,
@@ -82,7 +115,7 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 			'interval with microtime' => [
 				1641515890,
 				true,
-				'18999d 0h 38m 10s',
+				'18999d 0h 38m 10s 0ms',
 			],
 			'micro interval no microtime' => [
 				1641515890.123456,
@@ -92,7 +125,7 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 			'micro interval with microtime' => [
 				1641515890.123456,
 				true,
-				'18999d 0h 38m 10s 1235ms',
+				'18999d 0h 38m 10s 124ms',
 			],
 			'negative interval no microtime' => [
 				-1641515890,
@@ -103,27 +136,27 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 			'microtime only' => [
 				0.123456,
 				true,
-				'0s 1235ms',
+				'0s 123ms',
 			],
 			'seconds only' => [
 				30.123456,
 				true,
-				'30s 1235ms',
+				'30s 123ms',
 			],
 			'minutes only' => [
 				90.123456,
 				true,
-				'1m 30s 1235ms',
+				'1m 30s 123ms',
 			],
 			'hours only' => [
 				3690.123456,
 				true,
-				'1h 1m 30s 1235ms',
+				'1h 1m 30s 123ms',
 			],
 			'days only' => [
 				90090.123456,
 				true,
-				'1d 1h 1m 30s 1235ms',
+				'1d 1h 1m 30s 123ms',
 			],
 			'already set' => [
 				'1d 1h 1m 30s 1235ms',
@@ -143,6 +176,306 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * time seconds convert test
+	 *
+	 * @covers ::timeStringFormat
+	 * @dataProvider intervalProvider
+	 * @testdox timeStringFormat $input (microtime $flag) will be $expected [$_dataName]
+	 *
+	 * @param string|int|float $input
+	 * @param bool      $flag
+	 * @param string    $expected
+	 * @return void
+	 */
+	public function testTimeStringFormat(string|int|float $input, bool $flag, string $expected): void
+	{
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::timeStringFormat($input, $flag)
+		);
+	}
+
+	/**
+	 * interval seconds convert
+	 *
+	 * @covers ::intervalStringFormat
+	 * @dataProvider intervalProvider
+	 * @testdox intervalStringFormat $input (microtime $show_micro) will be $expected [$_dataName]
+	 *
+	 * @param  string|int|float $input
+	 * @param  bool      $show_micro
+	 * @param  string    $expected
+	 * @return void
+	 */
+	public function testIntervalStringFormat(string|int|float $input, bool $show_micro, string $expected): void
+	{
+		// we skip string input, that is not allowed
+		if (is_string($input)) {
+			$this->assertTrue(true, 'Skip strings');
+			return;
+		}
+		// invalid values throw exception in default
+		if ($input == 999999999999999) {
+			$this->expectException(\LengthException::class);
+		}
+		// below is equal to timeStringFormat
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::intervalStringFormat(
+				$input,
+				show_microseconds: $show_micro,
+				show_only_days: true,
+				skip_zero: false,
+				skip_last_zero: false,
+				truncate_nanoseconds: true,
+				truncate_zero_seconds_if_microseconds: false
+			)
+		);
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function intervalExtendedProvider(): array
+	{
+		return [
+			// A
+			'(60) default value' => [
+				[
+					'seconds' => 60,
+				],
+				'expected' => '1m',
+				'exception' => null
+			],
+			'(60) default value, skip_last_zero:false' => [
+				[
+					'seconds' => 60,
+					'skip_last_zero' => false,
+				],
+				'expected' => '1m 0s 0ms',
+				'exception' => null
+			],
+			// B
+			'(120.1) default value' => [
+				[
+					'seconds' => 120.1,
+				],
+				'expected' => '2m 100ms',
+				'exception' => null
+			],
+			'(120.1) default value, skip_zero:false' => [
+				[
+					'seconds' => 120.1,
+					'skip_zero' => false,
+				],
+				'expected' => '2m 0s 100ms',
+				'exception' => null
+			],
+			'(120.1) default value, skip_last_zero:false' => [
+				[
+					'seconds' => 120.1,
+					'skip_last_zero' => false,
+				],
+				'expected' => '2m 100ms',
+				'exception' => null
+			],
+			// C
+			'(3601) default value' => [
+				[
+					'seconds' => 3601,
+				],
+				'expected' => '1h 1s',
+				'exception' => null
+			],
+			'(3601) default value, skip_zero:false' => [
+				[
+					'seconds' => 3601,
+					'skip_zero' => false,
+				],
+				'expected' => '1h 0m 1s',
+				'exception' => null
+			],
+			'(3601) default value, skip_last_zero:false' => [
+				[
+					'seconds' => 3601,
+					'skip_last_zero' => false,
+				],
+				'expected' => '1h 1s 0ms',
+				'exception' => null
+			],
+			// TODO create unit tests for ALL edge cases
+			// CREATE abort tests, simple, all others are handled in exception tests
+			'exception: \UnexpectedValueException:1' => [
+				[
+					'seconds' => 99999999999999999999999
+				],
+				'expected' => null,
+				'exception' => [
+					'class' => \UnexpectedValueException::class,
+					'code' => 1,
+				],
+			]
+		];
+	}
+
+	/**
+	 * test all options for interval conversion
+	 *
+	 * @covers ::intervalStringFormat
+	 * @dataProvider intervalExtendedProvider
+	 * @testdox intervalStringFormat $input will be $expected / $exception [$_dataName]
+	 *
+	 * @param  array<string,null|int|float|bool> $parameter_list
+	 * @param  string       $expected
+	 * @param  array<string,mixed> $exception
+	 * @return void
+	 */
+	public function testExtendedIntervalStringFormat(
+		array $parameter_list,
+		?string $expected,
+		?array $exception
+	): void {
+		if ($expected === null && $exception === null) {
+			$this->assertFalse(true, 'Cannot have expected and exception null in test data');
+		}
+		$parameters = [];
+		foreach (
+			[
+				'seconds' => null,
+				'truncate_after' => '',
+				'natural_seperator' => false,
+				'name_space_seperator' => false,
+				'show_microseconds' => true,
+				'short_time_name' => true,
+				'skip_last_zero' => true,
+				'skip_zero' => true,
+				'show_only_days' => false,
+				'auto_fix_microseconds' => false,
+				'truncate_nanoseconds' => false,
+				'truncate_zero_seconds_if_microseconds' => true,
+			] as $param => $default
+		) {
+			if (empty($parameter_list[$param]) && $default === null) {
+				$this->assertFalse(true, 'Parameter ' . $param . ' is mandatory ');
+			} elseif (!isset($parameter_list[$param]) || $parameter_list[$param] === null) {
+				$parameters[] = $default;
+			} else {
+				$parameters[] = $parameter_list[$param];
+			}
+		}
+		if ($expected !== null) {
+			$this->assertEquals(
+				$expected,
+				call_user_func_array('CoreLibs\Combined\DateTime::intervalStringFormat', $parameters)
+			);
+		} else {
+			if (empty($exception['class']) || empty($exception['code'])) {
+				$this->assertFalse(true, 'Exception tests need Exception name and Code');
+			}
+			$this->expectException($exception['class']);
+			$this->expectExceptionCode($exception['code']);
+			// if we have a message, must be regex
+			if (!empty($exception['message'])) {
+				$this->expectExceptionMessageMatches($exception['message']);
+			}
+			call_user_func_array('CoreLibs\Combined\DateTime::intervalStringFormat', $parameters);
+		}
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array<mixed>
+	 */
+	public function exceptionsIntervalProvider(): array
+	{
+		return [
+			'UnexpectedValueException: 1 A' => [
+				'seconds' => 99999999999999999999999,
+				'params' => [],
+				'exception' => \UnexpectedValueException::class,
+				'exception_message' => "/^Seconds value is invalid, too large or more than six decimals: /",
+				'excpetion_code' => 1,
+			],
+			'UnexpectedValueException: 1 B' => [
+				'seconds' => 123.1234567,
+				'params' => [],
+				'exception' => \UnexpectedValueException::class,
+				'exception_message' => "/^Seconds value is invalid, too large or more than six decimals: /",
+				'excpetion_code' => 1,
+			],
+			// exception 2 is very likely covered by exception 1
+			'LengthException: 3' => [
+				'seconds' => 999999999999999999,
+				'params' => [
+					'show_only_days',
+				],
+				'exception' => \LengthException::class,
+				'exception_message' => "/^Input seconds value is too large for days output: /",
+				'excpetion_code' => 3,
+			],
+			'UnexpectedValueException: 4' => [
+				'seconds' => 1234567,
+				'params' => [
+					'truncate_after'
+				],
+				'exception' => \UnexpectedValueException::class,
+				'exception_message' => "/^truncate_after has an invalid value: /",
+				'excpetion_code' => 4,
+			],
+			'UnexpectedValueException: 5' => [
+				'seconds' => 1234567,
+				'params' => [
+					'show_only_days:truncate_after'
+				],
+				'exception' => \UnexpectedValueException::class,
+				'exception_message' =>
+					"/^If show_only_days is turned on, the truncate_after cannot be years or months: /",
+				'excpetion_code' => 5,
+			]
+		];
+	}
+
+	/**
+	 * Test all exceptions
+	 *
+	 * @covers ::intervalStringFormat
+	 * @dataProvider exceptionsIntervalProvider
+	 * @testdox intervalStringFormat: test Exceptions
+	 *
+	 * @param  int|float     $seconds
+	 * @param  array<string> $params
+	 * @param  string        $exception
+	 * @param  string        $exception_message
+	 * @param  int           $excpetion_code
+	 * @return void
+	 */
+	public function testExceptionsIntervalStringFormat(
+		int|float $seconds,
+		array $params,
+		string $exception,
+		string $exception_message,
+		int $excpetion_code,
+	): void {
+		$this->expectException($exception);
+		$this->expectExceptionMessageMatches($exception_message);
+		$this->expectExceptionCode($excpetion_code);
+		if (empty($params)) {
+			\CoreLibs\Combined\DateTime::intervalStringFormat($seconds);
+		} else {
+			if (in_array('show_only_days', $params)) {
+				\CoreLibs\Combined\DateTime::intervalStringFormat($seconds, show_only_days:true);
+			} elseif (in_array('truncate_after', $params)) {
+				\CoreLibs\Combined\DateTime::intervalStringFormat($seconds, truncate_after: 'v');
+			} elseif (in_array('show_only_days:truncate_after', $params)) {
+				\CoreLibs\Combined\DateTime::intervalStringFormat($seconds, show_only_days:true, truncate_after: 'y');
+			}
+		}
+	}
+
 	/**
 	 * Undocumented function
 	 *
@@ -203,6 +536,25 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::stringToTime
+	 * @dataProvider reverseIntervalProvider
+	 * @testdox stringToTime $input will be $expected [$_dataName]
+	 *
+	 * @param string|int|float $input
+	 * @param string|int|float $expected
+	 * @return void
+	 */
+	public function testStringToTime($input, $expected): void
+	{
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::stringToTime($input)
+		);
+	}
+
 	/**
 	 * Undocumented function
 	 *
@@ -238,6 +590,25 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::checkDate
+	 * @dataProvider dateProvider
+	 * @testdox checkDate $input will be $expected [$_dataName]
+	 *
+	 * @param string $input
+	 * @param bool $expected
+	 * @return void
+	 */
+	public function testCheckDate(string $input, bool $expected): void
+	{
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::checkDate($input)
+		);
+	}
+
 	/**
 	 * Undocumented function
 	 *
@@ -297,6 +668,25 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::checkDateTime
+	 * @dataProvider dateTimeProvider
+	 * @testdox checkDateTime $input will be $expected [$_dataName]
+	 *
+	 * @param string $input
+	 * @param bool $expected
+	 * @return void
+	 */
+	public function testCheckDateTime(string $input, bool $expected): void
+	{
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::checkDateTime($input)
+		);
+	}
+
 	/**
 	 * Undocumented function
 	 *
@@ -371,6 +761,37 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::compareDate
+	 * @dataProvider dateCompareProvider
+	 * @testdox compareDate $input_a compared to $input_b will be $expected [$_dataName]
+	 *
+	 * @param string $input_a
+	 * @param string $input_b
+	 * @param int|bool $expected
+	 * @param string|null $exception
+	 * @param int|null $exception_code
+	 * @return void
+	 */
+	public function testCompareDate(
+		string $input_a,
+		string $input_b,
+		int|bool $expected,
+		?string $exception,
+		?int $exception_code
+	): void {
+		if ($expected === false) {
+			$this->expectException($exception);
+			$this->expectExceptionCode($exception_code);
+		}
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::compareDate($input_a, $input_b)
+		);
+	}
+
 	/**
 	 * Undocumented function
 	 *
@@ -466,6 +887,37 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::compareDateTime
+	 * @dataProvider dateTimeCompareProvider
+	 * @testdox compareDateTime $input_a compared to $input_b will be $expected [$_dataName]
+	 *
+	 * @param string $input_a
+	 * @param string $input_b
+	 * @param int|bool $expected
+	 * @param string|null $exception
+	 * @param int|null $exception_code
+	 * @return void
+	 */
+	public function testCompareDateTime(
+		string $input_a,
+		string $input_b,
+		int|bool $expected,
+		?string $exception,
+		?int $exception_code
+	): void {
+		if ($expected === false) {
+			$this->expectException($exception);
+			$this->expectExceptionCode($exception_code);
+		}
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Combined\DateTime::compareDateTime($input_a, $input_b)
+		);
+	}
+
 	/**
 	 * Undocumented function
 	 *
@@ -520,214 +972,6 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		];
 	}
 
-	/**
-	 * Undocumented function
-	 *
-	 * @return array
-	 */
-	public function dateRangeHasWeekendProvider(): array
-	{
-		return [
-			'no weekend' => [
-				'2023-07-03',
-				'2023-07-04',
-				false
-			],
-			'start weekend sat' => [
-				'2023-07-01',
-				'2023-07-04',
-				true
-			],
-			'start weekend sun' => [
-				'2023-07-02',
-				'2023-07-04',
-				true
-			],
-			'end weekend sat' => [
-				'2023-07-03',
-				'2023-07-08',
-				true
-			],
-			'end weekend sun' => [
-				'2023-07-03',
-				'2023-07-09',
-				true
-			],
-			'long period > 6 days' => [
-				'2023-07-03',
-				'2023-07-27',
-				true
-			]
-		];
-	}
-
-	/**
-	 * date string convert test
-	 *
-	 * @covers ::dateStringFormat
-	 * @dataProvider timestampProvider
-	 * @testdox dateStringFormat $input (microtime $flag) will be $expected [$_dataName]
-	 *
-	 * @param int|float $input
-	 * @param bool      $flag
-	 * @param string    $expected
-	 * @return void
-	 */
-	public function testDateStringFormat(
-		$input,
-		bool $flag_show_micro,
-		bool $flag_micro_as_float,
-		string $expected
-	): void {
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::dateStringFormat(
-				$input,
-				$flag_show_micro,
-				$flag_micro_as_float
-			)
-		);
-	}
-
-	/**
-	 * interval convert test
-	 *
-	 * @covers ::timeStringFormat
-	 * @dataProvider intervalProvider
-	 * @testdox timeStringFormat $input (microtime $flag) will be $expected [$_dataName]
-	 *
-	 * @param int|float $input
-	 * @param bool      $flag
-	 * @param string    $expected
-	 * @return void
-	 */
-	public function testTimeStringFormat($input, bool $flag, string $expected): void
-	{
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::timeStringFormat($input, $flag)
-		);
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @covers ::stringToTime
-	 * @dataProvider reverseIntervalProvider
-	 * @testdox stringToTime $input will be $expected [$_dataName]
-	 *
-	 * @param string|int|float $input
-	 * @param string|int|float $expected
-	 * @return void
-	 */
-	public function testStringToTime($input, $expected): void
-	{
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::stringToTime($input)
-		);
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @covers ::checkDate
-	 * @dataProvider dateProvider
-	 * @testdox checkDate $input will be $expected [$_dataName]
-	 *
-	 * @param string $input
-	 * @param bool $expected
-	 * @return void
-	 */
-	public function testCheckDate(string $input, bool $expected): void
-	{
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::checkDate($input)
-		);
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @covers ::checkDateTime
-	 * @dataProvider dateTimeProvider
-	 * @testdox checkDateTime $input will be $expected [$_dataName]
-	 *
-	 * @param string $input
-	 * @param bool $expected
-	 * @return void
-	 */
-	public function testCheckDateTime(string $input, bool $expected): void
-	{
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::checkDateTime($input)
-		);
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @covers ::compareDate
-	 * @dataProvider dateCompareProvider
-	 * @testdox compareDate $input_a compared to $input_b will be $expected [$_dataName]
-	 *
-	 * @param string $input_a
-	 * @param string $input_b
-	 * @param int|bool $expected
-	 * @param string|null $exception
-	 * @param int|null $exception_code
-	 * @return void
-	 */
-	public function testCompareDate(
-		string $input_a,
-		string $input_b,
-		int|bool $expected,
-		?string $exception,
-		?int $exception_code
-	): void {
-		if ($expected === false) {
-			$this->expectException($exception);
-			$this->expectExceptionCode($exception_code);
-		}
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::compareDate($input_a, $input_b)
-		);
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @covers ::compareDateTime
-	 * @dataProvider dateTimeCompareProvider
-	 * @testdox compareDateTime $input_a compared to $input_b will be $expected [$_dataName]
-	 *
-	 * @param string $input_a
-	 * @param string $input_b
-	 * @param int|bool $expected
-	 * @param string|null $exception
-	 * @param int|null $exception_code
-	 * @return void
-	 */
-	public function testCompareDateTime(
-		string $input_a,
-		string $input_b,
-		int|bool $expected,
-		?string $exception,
-		?int $exception_code
-	): void {
-		if ($expected === false) {
-			$this->expectException($exception);
-			$this->expectExceptionCode($exception_code);
-		}
-		$this->assertEquals(
-			$expected,
-			\CoreLibs\Combined\DateTime::compareDateTime($input_a, $input_b)
-		);
-	}
-
 	/**
 	 * Undocumented function
 	 *
@@ -906,6 +1150,47 @@ final class CoreLibsCombinedDateTimeTest extends TestCase
 		);
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function dateRangeHasWeekendProvider(): array
+	{
+		return [
+			'no weekend' => [
+				'2023-07-03',
+				'2023-07-04',
+				false
+			],
+			'start weekend sat' => [
+				'2023-07-01',
+				'2023-07-04',
+				true
+			],
+			'start weekend sun' => [
+				'2023-07-02',
+				'2023-07-04',
+				true
+			],
+			'end weekend sat' => [
+				'2023-07-03',
+				'2023-07-08',
+				true
+			],
+			'end weekend sun' => [
+				'2023-07-03',
+				'2023-07-09',
+				true
+			],
+			'long period > 6 days' => [
+				'2023-07-03',
+				'2023-07-27',
+				true
+			]
+		];
+	}
+
 	/**
 	 * Undocumented function
 	 *

test/phpunit/Convert/CoreLibsConvertByteTest.php

@@ -253,7 +253,8 @@ final class CoreLibsConvertByteTest extends TestCase
 	 */
 	public function testHumanReadableByteFormatException(int $flag): void
 	{
-		$this->expectException(\Exception::class);
+		$this->expectException(\InvalidArgumentException::class);
+		$this->expectExceptionCode(1);
 		\CoreLibs\Convert\Byte::humanReadableByteFormat(12, $flag);
 	}
 
@@ -272,7 +273,8 @@ final class CoreLibsConvertByteTest extends TestCase
 	 */
 	public function testStringByteFormatException(int $flag): void
 	{
-		$this->expectException(\Exception::class);
+		$this->expectException(\InvalidArgumentException::class);
+		$this->expectExceptionCode(1);
 		\CoreLibs\Convert\Byte::stringByteFormat(12, $flag);
 	}
 }

test/phpunit/Debug/CoreLibsDebugSupportTest.php

@@ -513,7 +513,7 @@ final class CoreLibsDebugSupportTest extends TestCase
 	public function testGetCallerMethodList(array $expected): void
 	{
 		$compare = Support::getCallerMethodList();
-		// 10: legact
+		// 10: legacy
 		// 11: direct
 		// 12: full call
 		switch (count($compare)) {
@@ -571,6 +571,31 @@ final class CoreLibsDebugSupportTest extends TestCase
 		}
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @cover ::getCallStack
+	 * @testdox getCallStack check if it returns data [$_dataName]
+	 *
+	 * @return void
+	 */
+	public function testGetCallStack(): void
+	{
+		$call_stack = Support::getCallStack();
+		// print "Get CALL: " . print_r(Support::getCallStack(), true) . "\n";
+		if ($call_stack < 8) {
+			$this->assertFalse(true, 'getCallStack too low: 8');
+		} else {
+			$this->assertTrue(true, 'getCallSteck ok');
+		}
+		// just test top entry
+		$first = array_shift($call_stack);
+		$this->assertStringEndsWith(
+			':tests\CoreLibsDebugSupportTest->testGetCallStack',
+			$first,
+		);
+	}
+
 	/**
 	 * test the lowest one (one above base)
 	 *