Pass checkImplicitMixed

phpstan.dist.neon

@@ -11,7 +11,6 @@ parameters:
 		analyseAndScan:
 			- vendor/
 	checkBenevolentUnionTypes: true
-	checkImplicitMixed: false	# TODO pass
 	checkMissingOverrideMethodAttribute: true
 	checkTooWideReturnTypesInProtectedAndPublicMethods: true
 	reportAnyTypeWideningInVarTag: true
@@ -20,7 +19,6 @@ parameters:
 		disallowedEmpty: false
 		disallowedLooseComparison: false
 		disallowedShortTernary: false
-		strictArrayFilter: false	# TODO pas
 	exceptions:
 		check:
 			missingCheckedExceptionInThrows: true

src/XlsxFastEditor.php

@@ -195,7 +195,7 @@ private function getDomFromPath(string $path): \DOMDocument
 	public function getWorkbookDateSystem(): int
 	{
 		static $baseYear = 0;
-		if ($baseYear == 0) {
+		if ($baseYear == 0 || !in_array($baseYear, [1900, 1904], true)) {
 			$xpath = $this->getXPathFromPath(self::WORKBOOK_PATH);
 			$date1904 = $xpath->evaluate('normalize-space(/o:workbook/o:workbookPr/@date1904)');
 			if (is_string($date1904) && in_array(strtolower(trim($date1904)), ['true', '1'], true)) {
@@ -228,13 +228,13 @@ public static function excelDateToDateTime(float $excelDateTime, int $workbookDa
 				$excelDateTime++;
 			}
 			// 1 January 1900 as serial number 1 in the 1900 Date System, accounting for leap year problem
-			if ($baseDate1900 === null) {
+			if (!($baseDate1900 instanceof \DateTimeImmutable)) {
 				$baseDate1900 = new \DateTimeImmutable('1899-12-30');
 			}
 			$excelBaseDate = $baseDate1900;
 		} elseif ($workbookDateSystem === 1904) {
 			// 1 January 1904 as serial number 0 in the 1904 Date System
-			if ($baseDate1904 === null) {
+			if (!($baseDate1904 instanceof \DateTimeImmutable)) {
 				$baseDate1904 = new \DateTimeImmutable('1904-01-01');
 			}
 			$excelBaseDate = $baseDate1904;
@@ -438,10 +438,14 @@ public function getRow(int $sheetNumber, int $rowNumber, int $accessMode = XlsxF
 
 					// Excel expects the lines to be sorted
 					$sibling = $sheetData->firstElementChild;
-					while ($sibling !== null && (int)$sibling->getAttribute('r') < $rowNumber) {
+					while ($sibling instanceof \DOMElement && (int)$sibling->getAttribute('r') < $rowNumber) {
 						$sibling = $sibling->nextElementSibling;
 					}
-					$sheetData->insertBefore($row, $sibling);
+					if ($sibling instanceof \DOMElement) {
+						$sheetData->insertBefore($row, $sibling);
+					} else {
+						$sheetData->appendChild($row);
+					}
 					break;
 				default:
 				case XlsxFastEditor::ACCESS_MODE_NULL:
@@ -1032,6 +1036,9 @@ public function _makeNewSharedString(string $value): int
 			throw new XlsxFastEditorXmlException('Error creating <t> in shared strings!');
 		}
 		$si->appendChild($t);
+		if (!($dom->firstElementChild instanceof \DOMElement)) {
+			throw new XlsxFastEditorXmlException('Invalid shared strings!');
+		}
 		$dom->firstElementChild->appendChild($si);
 
 		$count = (int)$dom->firstElementChild->getAttribute('count');

src/XlsxFastEditorCell.php

@@ -78,7 +78,7 @@ public function column(): string
 	public function getPreviousCell(): ?XlsxFastEditorCell
 	{
 		$c = $this->c->previousElementSibling;
-		while ($c !== null) {
+		while ($c instanceof \DOMElement) {
 			if ($c->localName === 'c') {
 				return new XlsxFastEditorCell($this->editor, $this->sheetNumber, $c);
 			}
@@ -94,7 +94,7 @@ public function getPreviousCell(): ?XlsxFastEditorCell
 	public function getNextCell(): ?XlsxFastEditorCell
 	{
 		$c = $this->c->nextElementSibling;
-		while ($c !== null) {
+		while ($c instanceof \DOMElement) {
 			if ($c->localName === 'c') {
 				return new XlsxFastEditorCell($this->editor, $this->sheetNumber, $c);
 			}

src/XlsxFastEditorRow.php

@@ -57,7 +57,7 @@ private function getXPath(): \DOMXPath
 	public function getPreviousRow(): ?XlsxFastEditorRow
 	{
 		$r = $this->r->previousElementSibling;
-		while ($r !== null) {
+		while ($r instanceof \DOMElement) {
 			if ($r->localName === 'row') {
 				return new XlsxFastEditorRow($this->editor, $this->sheetNumber, $r);
 			}
@@ -73,7 +73,7 @@ public function getPreviousRow(): ?XlsxFastEditorRow
 	public function getNextRow(): ?XlsxFastEditorRow
 	{
 		$r = $this->r->nextElementSibling;
-		while ($r !== null) {
+		while ($r instanceof \DOMElement) {
 			if ($r->localName === 'row') {
 				return new XlsxFastEditorRow($this->editor, $this->sheetNumber, $r);
 			}
@@ -90,7 +90,7 @@ public function getNextRow(): ?XlsxFastEditorRow
 	public function cellsIterator(): \Traversable
 	{
 		$c = $this->r->firstElementChild;
-		while ($c !== null) {
+		while ($c instanceof \DOMElement) {
 			if ($c->localName === 'c') {
 				yield new XlsxFastEditorCell($this->editor, $this->sheetNumber, $c);
 			}
@@ -106,7 +106,7 @@ public function cellsIterator(): \Traversable
 	public function getFirstCell(): ?XlsxFastEditorCell
 	{
 		$c = $this->r->firstElementChild;
-		while ($c !== null) {
+		while ($c instanceof \DOMElement) {
 			if ($c->localName === 'c') {
 				return new XlsxFastEditorCell($this->editor, $this->sheetNumber, $c);
 			}
@@ -172,10 +172,14 @@ public function getCell(string $cellName, int $accessMode = XlsxFastEditor::ACCE
 
 			// Excel expects the cells to be sorted
 			$sibling = $this->r->firstElementChild;
-			while ($sibling !== null && XlsxFastEditor::cellOrderCompare($sibling->getAttribute('r'), $cellName) < 0) {
+			while ($sibling instanceof \DOMElement && XlsxFastEditor::cellOrderCompare($sibling->getAttribute('r'), $cellName) < 0) {
 				$sibling = $sibling->nextElementSibling;
 			}
-			$this->r->insertBefore($c, $sibling);
+			if ($sibling instanceof \DOMElement) {
+				$this->r->insertBefore($c, $sibling);
+			} else {
+				$this->r->appendChild($c);
+			}
 		}
 
 		if ($c === null) {
@@ -233,7 +237,7 @@ public function getCellAutocreate(string $cellName): XlsxFastEditorCell
 	public function getLastCell(): ?XlsxFastEditorCell
 	{
 		$c = $this->r->lastElementChild;
-		while ($c !== null) {
+		while ($c instanceof \DOMElement) {
 			if ($c->localName === 'c') {
 				return new XlsxFastEditorCell($this->editor, $this->sheetNumber, $c);
 			}