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brusnitsyn
249
app/Services/DocxVariableExtractor.php
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249
app/Services/DocxVariableExtractor.php
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<?php
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namespace App\Services;
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use Illuminate\Support\Str;
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use PhpOffice\PhpWord\IOFactory;
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class DocxVariableExtractor
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{
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public function extractVariables($docxPath): array
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{
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$phpWord = IOFactory::load($docxPath);
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$variables = [];
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$textBuffer = '';
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foreach ($phpWord->getSections() as $section) {
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$this->extractFromSection($section, $variables, $textBuffer);
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}
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// Проверяем остаток в буфере
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$this->extractFromText($textBuffer, $variables);
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// Убираем дубликаты по полю 'name'
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$uniqueVariables = [];
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$seenNames = [];
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foreach ($variables as $variable) {
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if (!in_array($variable['name'], $seenNames)) {
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$uniqueVariables[] = $variable;
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$seenNames[] = $variable['name'];
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}
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}
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return $uniqueVariables;
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}
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private function extractFromSection($section, array &$variables, string &$textBuffer): void
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{
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foreach ($section->getElements() as $element) {
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$this->extractFromElement($element, $variables, $textBuffer);
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}
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}
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private function extractFromElement($element, array &$variables, string &$textBuffer): void
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{
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$elementType = get_class($element);
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switch ($elementType) {
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case 'PhpOffice\PhpWord\Element\TextRun':
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$this->extractFromTextRun($element, $variables, $textBuffer);
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break;
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case 'PhpOffice\PhpWord\Element\Text':
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$textBuffer .= $element->getText();
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$this->extractFromText($textBuffer, $variables);
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break;
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case 'PhpOffice\PhpWord\Element\Table':
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$this->extractFromTable($element, $variables, $textBuffer);
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break;
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case 'PhpOffice\PhpWord\Element\Header':
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case 'PhpOffice\PhpWord\Element\Footer':
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$this->extractFromSection($element, $variables, $textBuffer);
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break;
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default:
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// Сбрасываем буфер при смене типа элемента
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$textBuffer = '';
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break;
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}
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}
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private function extractFromTextRun($textRun, array &$variables, string &$textBuffer): void
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{
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foreach ($textRun->getElements() as $element) {
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if ($element instanceof \PhpOffice\PhpWord\Element\Text) {
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$textBuffer .= $element->getText();
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}
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}
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// Проверяем буфер после каждого TextRun
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$this->extractFromText($textBuffer, $variables);
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$textBuffer = ''; // Сбрасываем буфер после TextRun
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}
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private function extractFromTable($table, array &$variables, string &$textBuffer): void
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{
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foreach ($table->getRows() as $row) {
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foreach ($row->getCells() as $cell) {
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$cellBuffer = '';
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foreach ($cell->getElements() as $element) {
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if ($element instanceof \PhpOffice\PhpWord\Element\Text) {
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$cellBuffer .= $element->getText();
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} elseif ($element instanceof \PhpOffice\PhpWord\Element\TextRun) {
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foreach ($element->getElements() as $textElement) {
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if ($textElement instanceof \PhpOffice\PhpWord\Element\Text) {
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$cellBuffer .= $textElement->getText();
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}
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}
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}
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}
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$this->extractFromText($cellBuffer, $variables);
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}
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}
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}
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private function extractFromText(string $text, array &$variables): void
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{
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// Ищем переменные в формате ${variable_name}
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preg_match_all('/\$\{\s*([a-zA-Zа-яА-ЯёЁ0-9_]+)\s*\}/u', $text, $matches);
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if (!empty($matches[1])) {
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foreach ($matches[0] as $index => $fullMatch) {
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$variables[] = [
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'name' => $fullMatch, // Полное выражение с ${}
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'label' => $matches[1][$index], // Только содержимое внутри {}
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'type' => 'text'
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];
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}
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}
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}
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// Альтернативный метод: чтение напрямую из XML
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public function extractVariablesFromXml($docxPath): array
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{
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$variables = [];
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// Временная распаковка DOCX
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$zip = new \ZipArchive();
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if ($zip->open($docxPath) === TRUE) {
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// Читаем document.xml
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$documentXml = $zip->getFromName('word/document.xml');
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if ($documentXml) {
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// Ищем все текстовые узлы
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preg_match_all('/(\{\{\s*[a-zA-Zа-яА-ЯёЁ0-9_]+\s*\}\})/u', $documentXml, $matches);
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foreach ($matches[0] as $match) {
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// Извлекаем имя переменной
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preg_match('/\{\{\s*([a-zA-Zа-яА-ЯёЁ0-9_]+)\s*\}\}/u', $match, $varMatches);
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if (isset($varMatches[1])) {
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$variables[] = $varMatches[1];
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}
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}
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}
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// Также проверяем headers и footers
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for ($i = 0; $i < $zip->numFiles; $i++) {
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$filename = $zip->getNameIndex($i);
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if (preg_match('/word\/header\d+\.xml/', $filename) ||
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preg_match('/word\/footer\d+\.xml/', $filename)) {
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$content = $zip->getFromName($filename);
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preg_match_all('/(\{\{\s*[a-zA-Zа-яА-ЯёЁ0-9_]+\s*\}\})/u', $content, $matches);
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foreach ($matches[0] as $match) {
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preg_match('/\{\{\s*([a-zA-Zа-яА-ЯёЁ0-9_]+)\s*\}\}/u', $match, $varMatches);
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if (isset($varMatches[1])) {
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$variables[] = $varMatches[1];
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}
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}
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}
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}
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$zip->close();
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}
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return array_unique($variables);
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}
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// Комбинированный метод
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public function extractVariablesCombined($docxPath): array
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{
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$variables1 = $this->extractVariables($docxPath);
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$variables2 = $this->extractVariablesFromXml($docxPath);
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return array_unique(array_merge($variables1, $variables2));
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}
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public function validateVariables(array $variables): array
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{
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$validated = [];
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foreach ($variables as $variable) {
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if (preg_match('/^[a-zA-Zа-яА-ЯёЁ0-9_]+$/u', $variable)) {
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$validated[] = $variable;
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}
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}
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return array_unique($validated);
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}
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public function getVariablesWithExamples($docxPath): array
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{
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$variables = $this->extractVariablesCombined($docxPath);
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$result = [];
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foreach ($variables as $variable) {
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$result[$variable] = [
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'name' => $variable,
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'human_name' => $this->makeHumanReadable($variable),
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'example' => $this->generateExample($variable),
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'type' => $this->detectType($variable)
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];
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}
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return $result;
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}
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private function makeHumanReadable(string $variable): string
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{
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$readable = str_replace('_', ' ', $variable);
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$readable = mb_strtolower($readable, 'UTF-8');
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$readable = mb_convert_case($readable, MB_CASE_TITLE, 'UTF-8');
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return $readable;
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}
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private function generateExample(string $variable): string
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{
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$examples = [
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'name' => 'Иван Иванов',
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'date' => '15.01.2024',
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'number' => '123-2024',
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'company' => 'ООО "Рога и копыта"',
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'address' => 'г. Москва, ул. Примерная, д. 1',
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'amount' => '100 000 руб.',
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'quantity' => '5',
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'price' => '20 000 руб.'
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];
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foreach ($examples as $key => $example) {
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if (stripos($variable, $key) !== false) {
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return $example;
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}
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}
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return 'Пример значения';
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}
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private function detectType(string $variable): string
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{
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if (stripos($variable, 'date') !== false) return 'date';
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if (stripos($variable, 'amount') !== false || stripos($variable, 'price') !== false) return 'money';
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if (stripos($variable, 'quantity') !== false || stripos($variable, 'number') !== false) return 'number';
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if (stripos($variable, 'list') !== false || stripos($variable, 'items') !== false) return 'array';
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return 'text';
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}
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}
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