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Viewing / Editing File: GlobalFunctionsHelper.php

<?php

namespace OpenSpout\Common\Helper;

/**
 * This class wraps global functions to facilitate testing.
 *
 * @codeCoverageIgnore
 */
class GlobalFunctionsHelper
{
    /**
     * Wrapper around global function fopen().
     *
     * @see fopen()
     *
     * @param string $fileName
     * @param string $mode
     *
     * @return bool|resource
     */
    public function fopen($fileName, $mode)
    {
        return fopen($fileName, $mode);
    }

/**
     * Wrapper around global function fgets().
     *
     * @see fgets()
     *
     * @param resource $handle
     * @param null|int $length
     *
     * @return string
     */
    public function fgets($handle, $length = null)
    {
        return fgets($handle, $length);
    }

/**
     * Wrapper around global function fputs().
     *
     * @see fputs()
     *
     * @param resource $handle
     * @param string   $string
     *
     * @return int
     */
    public function fputs($handle, $string)
    {
        return fwrite($handle, $string);
    }

/**
     * Wrapper around global function fflush().
     *
     * @see fflush()
     *
     * @param resource $handle
     *
     * @return bool
     */
    public function fflush($handle)
    {
        return fflush($handle);
    }

/**
     * Wrapper around global function fseek().
     *
     * @see fseek()
     *
     * @param resource $handle
     * @param int      $offset
     *
     * @return int
     */
    public function fseek($handle, $offset)
    {
        return fseek($handle, $offset);
    }

/**
     * Wrapper around global function fgetcsv().
     *
     * @see fgetcsv()
     *
     * @param resource    $handle
     * @param null|int    $length
     * @param null|string $delimiter
     * @param null|string $enclosure
     *
     * @return array|false
     */
    public function fgetcsv($handle, $length = null, $delimiter = null, $enclosure = null)
    {
        /**
         * PHP uses '\' as the default escape character. This is not RFC-4180 compliant...
         * To fix that, simply disable the escape character.
         *
         * @see https://bugs.php.net/bug.php?id=43225
         * @see http://tools.ietf.org/html/rfc4180
         */
        $escapeCharacter = \PHP_VERSION_ID >= 70400 ? '' : "\0";

return fgetcsv($handle, $length, $delimiter, $enclosure, $escapeCharacter);
    }

/**
     * Wrapper around global function fputcsv().
     *
     * @see fputcsv()
     *
     * @param resource    $handle
     * @param null|string $delimiter
     * @param null|string $enclosure
     *
     * @return false|int
     */
    public function fputcsv($handle, array $fields, $delimiter = null, $enclosure = null)
    {
        /**
         * PHP uses '\' as the default escape character. This is not RFC-4180 compliant...
         * To fix that, simply disable the escape character.
         *
         * @see https://bugs.php.net/bug.php?id=43225
         * @see http://tools.ietf.org/html/rfc4180
         */
        $escapeCharacter = \PHP_VERSION_ID >= 70400 ? '' : "\0";

return fputcsv($handle, $fields, $delimiter, $enclosure, $escapeCharacter);
    }

/**
     * Wrapper around global function fwrite().
     *
     * @see fwrite()
     *
     * @param resource $handle
     * @param string   $string
     *
     * @return int
     */
    public function fwrite($handle, $string)
    {
        return fwrite($handle, $string);
    }

/**
     * Wrapper around global function fclose().
     *
     * @see fclose()
     *
     * @param resource $handle
     *
     * @return bool
     */
    public function fclose($handle)
    {
        return fclose($handle);
    }

/**
     * Wrapper around global function rewind().
     *
     * @see rewind()
     *
     * @param resource $handle
     *
     * @return bool
     */
    public function rewind($handle)
    {
        return rewind($handle);
    }

/**
     * Wrapper around global function file_exists().
     *
     * @see file_exists()
     *
     * @param string $fileName
     *
     * @return bool
     */
    public function file_exists($fileName)
    {
        return file_exists($fileName);
    }

/**
     * Wrapper around global function file_get_contents().
     *
     * @see file_get_contents()
     *
     * @param string $filePath
     *
     * @return string
     */
    public function file_get_contents($filePath)
    {
        $realFilePath = $this->convertToUseRealPath($filePath);

return file_get_contents($realFilePath);
    }

/**
     * Wrapper around global function feof().
     *
     * @see feof()
     *
     * @param resource $handle
     *
     * @return bool
     */
    public function feof($handle)
    {
        return feof($handle);
    }

/**
     * Wrapper around global function is_readable().
     *
     * @see is_readable()
     *
     * @param string $fileName
     *
     * @return bool
     */
    public function is_readable($fileName)
    {
        return is_readable($fileName);
    }

/**
     * Wrapper around global function basename().
     *
     * @see basename()
     *
     * @param string $path
     * @param string $suffix
     *
     * @return string
     */
    public function basename($path, $suffix = '')
    {
        return basename($path, $suffix);
    }

/**
     * Wrapper around global function header().
     *
     * @see header()
     *
     * @param string $string
     */
    public function header($string)
    {
        header($string);
    }

/**
     * Wrapper around global function ob_end_clean().
     *
     * @see ob_end_clean()
     */
    public function ob_end_clean()
    {
        if (ob_get_length() > 0) {
            ob_end_clean();
        }
    }

/**
     * Wrapper around global function iconv().
     *
     * @see iconv()
     *
     * @param string $string         The string to be converted
     * @param string $sourceEncoding The encoding of the source string
     * @param string $targetEncoding The encoding the source string should be converted to
     *
     * @return bool|string the converted string or FALSE on failure
     */
    public function iconv($string, $sourceEncoding, $targetEncoding)
    {
        return iconv($sourceEncoding, $targetEncoding, $string);
    }

/**
     * Wrapper around global function mb_convert_encoding().
     *
     * @see mb_convert_encoding()
     *
     * @param string $string         The string to be converted
     * @param string $sourceEncoding The encoding of the source string
     * @param string $targetEncoding The encoding the source string should be converted to
     *
     * @return bool|string the converted string or FALSE on failure
     */
    public function mb_convert_encoding($string, $sourceEncoding, $targetEncoding)
    {
        return mb_convert_encoding($string, $targetEncoding, $sourceEncoding);
    }

/**
     * Wrapper around global function stream_get_wrappers().
     *
     * @see stream_get_wrappers()
     *
     * @return array
     */
    public function stream_get_wrappers()
    {
        return stream_get_wrappers();
    }

/**
     * Wrapper around global function function_exists().
     *
     * @see function_exists()
     *
     * @param string $functionName
     *
     * @return bool
     */
    public function function_exists($functionName)
    {
        return \function_exists($functionName);
    }

/**
     * Updates the given file path to use a real path.
     * This is to avoid issues on some Windows setup.
     *
     * @param string $filePath File path
     *
     * @return string The file path using a real path
     */
    protected function convertToUseRealPath($filePath)
    {
        $realFilePath = $filePath;

if ($this->isZipStream($filePath)) {
            if (preg_match('/zip:\/\/(.*)#(.*)/', $filePath, $matches)) {
                $documentPath = $matches[1];
                $documentInsideZipPath = $matches[2];
                $realFilePath = 'zip://'.realpath($documentPath).'#'.$documentInsideZipPath;
            }
        } else {
            $realFilePath = realpath($filePath);
        }

return $realFilePath;
    }

/**
     * Returns whether the given path is a zip stream.
     *
     * @param string $path Path pointing to a document
     *
     * @return bool TRUE if path is a zip stream, FALSE otherwise
     */
    protected function isZipStream($path)
    {
        return 0 === strpos($path, 'zip://');
    }
}

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