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infinio

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✏️ Editing: XMLInternalErrorsHelper.php

<?php

declare(strict_types=1);

namespace OpenSpout\Reader\Wrapper;

use OpenSpout\Reader\Exception\XMLProcessingException;

/**
 * @internal
 */
trait XMLInternalErrorsHelper
{
    /** @var bool Stores whether XML errors were initially stored internally - used to reset */
    private bool $initialUseInternalErrorsValue;

/**
     * To avoid displaying lots of warning/error messages on screen,
     * stores errors internally instead.
     */
    private function useXMLInternalErrors(): void
    {
        libxml_clear_errors();
        $this->initialUseInternalErrorsValue = libxml_use_internal_errors(true);
    }

/**
     * Throws an XMLProcessingException if an error occured.
     * It also always resets the "libxml_use_internal_errors" setting back to its initial value.
     *
     * @throws XMLProcessingException
     */
    private function resetXMLInternalErrorsSettingAndThrowIfXMLErrorOccured(): void
    {
        if ($this->hasXMLErrorOccured()) {
            $this->resetXMLInternalErrorsSetting();

throw new XMLProcessingException($this->getLastXMLErrorMessage());
        }

$this->resetXMLInternalErrorsSetting();
    }

private function resetXMLInternalErrorsSetting(): void
    {
        libxml_use_internal_errors($this->initialUseInternalErrorsValue);
    }

/**
     * Returns whether the a XML error has occured since the last time errors were cleared.
     *
     * @return bool TRUE if an error occured, FALSE otherwise
     */
    private function hasXMLErrorOccured(): bool
    {
        return false !== libxml_get_last_error();
    }

/**
     * Returns the error message for the last XML error that occured.
     *
     * @see libxml_get_last_error
     *
     * @return string Last XML error message or null if no error
     */
    private function getLastXMLErrorMessage(): string
    {
        $errorMessage = '';
        $error = libxml_get_last_error();

if (false !== $error) {
            $errorMessage = trim($error->message);
        }

return $errorMessage;
    }
}

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