<?php
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namespace PhpOffice\PhpSpreadsheet\Calculation\TextData;
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use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
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use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalcExp;
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use PhpOffice\PhpSpreadsheet\Calculation\Functions;
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use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
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use PhpOffice\PhpSpreadsheet\Cell\DataType;
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use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
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class Replace
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{
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use ArrayEnabled;
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/**
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* REPLACE.
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*
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* @param mixed $oldText The text string value to modify
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* Or can be an array of values
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* @param mixed $start Integer offset for start character of the replacement
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* Or can be an array of values
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* @param mixed $chars Integer number of characters to replace from the start offset
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* Or can be an array of values
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* @param mixed $newText String to replace in the defined position
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* Or can be an array of values
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*
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* @return array|string If an array of values is passed for either of the arguments, then the returned result
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* will also be an array with matching dimensions
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*/
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public static function replace(mixed $oldText, mixed $start, mixed $chars, mixed $newText): array|string
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{
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if (is_array($oldText) || is_array($start) || is_array($chars) || is_array($newText)) {
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return self::evaluateArrayArguments([self::class, __FUNCTION__], $oldText, $start, $chars, $newText);
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}
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try {
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$start = Helpers::extractInt($start, 1, 0, true);
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$chars = Helpers::extractInt($chars, 0, 0, true);
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$oldText = Helpers::extractString($oldText, true);
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$newText = Helpers::extractString($newText, true);
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$left = StringHelper::substring($oldText, 0, $start - 1);
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$right = StringHelper::substring($oldText, $start + $chars - 1, null);
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} catch (CalcExp $e) {
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return $e->getMessage();
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}
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$returnValue = $left . $newText . $right;
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if (StringHelper::countCharacters($returnValue) > DataType::MAX_STRING_LENGTH) {
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$returnValue = ExcelError::VALUE();
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}
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return $returnValue;
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}
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/**
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* SUBSTITUTE.
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*
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* @param mixed $text The text string value to modify
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* Or can be an array of values
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* @param mixed $fromText The string value that we want to replace in $text
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* Or can be an array of values
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* @param mixed $toText The string value that we want to replace with in $text
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* Or can be an array of values
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* @param mixed $instance Integer instance Number for the occurrence of frmText to change
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* Or can be an array of values
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*
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* @return array|string If an array of values is passed for either of the arguments, then the returned result
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* will also be an array with matching dimensions
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*/
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public static function substitute(mixed $text = '', mixed $fromText = '', mixed $toText = '', mixed $instance = null): array|string
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{
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if (is_array($text) || is_array($fromText) || is_array($toText) || is_array($instance)) {
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return self::evaluateArrayArguments([self::class, __FUNCTION__], $text, $fromText, $toText, $instance);
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}
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try {
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$text = Helpers::extractString($text, true);
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$fromText = Helpers::extractString($fromText, true);
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$toText = Helpers::extractString($toText, true);
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if ($instance === null) {
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$returnValue = str_replace($fromText, $toText, $text);
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} else {
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if (is_bool($instance)) {
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if ($instance === false || Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE) {
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return ExcelError::Value();
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}
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$instance = 1;
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}
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$instance = Helpers::extractInt($instance, 1, 0, true);
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$returnValue = self::executeSubstitution($text, $fromText, $toText, $instance);
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}
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} catch (CalcExp $e) {
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return $e->getMessage();
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}
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if (StringHelper::countCharacters($returnValue) > DataType::MAX_STRING_LENGTH) {
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$returnValue = ExcelError::VALUE();
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}
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return $returnValue;
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}
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private static function executeSubstitution(string $text, string $fromText, string $toText, int $instance): string
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{
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$pos = -1;
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while ($instance > 0) {
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$pos = mb_strpos($text, $fromText, $pos + 1, 'UTF-8');
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if ($pos === false) {
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return $text;
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}
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--$instance;
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}
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return Functions::scalar(self::REPLACE($text, ++$pos, StringHelper::countCharacters($fromText), $toText));
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}
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}
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