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<?php
namespace PhpOffice\PhpSpreadsheet\Helper;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\IWriter;
use PhpOffice\PhpSpreadsheet\Writer\Pdf;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use RecursiveRegexIterator;
use ReflectionClass;
use RegexIterator;
use RuntimeException;
/**
* Helper class to be used in sample code.
*/
class Sample
{
/**
* Returns whether we run on CLI or browser.
*
* @return bool
*/
public function isCli()
{
return PHP_SAPI === 'cli';
}
/**
* Return the filename currently being executed.
*
* @return string
*/
public function getScriptFilename()
{
return basename($_SERVER['SCRIPT_FILENAME'], '.php');
}
/**
* Whether we are executing the index page.
*
* @return bool
*/
public function isIndex()
{
return $this->getScriptFilename() === 'index';
}
/**
* Return the page title.
*
* @return string
*/
public function getPageTitle()
{
return $this->isIndex() ? 'PHPSpreadsheet' : $this->getScriptFilename();
}
/**
* Return the page heading.
*
* @return string
*/
public function getPageHeading()
{
return $this->isIndex() ? '' : '<h1>' . str_replace('_', ' ', $this->getScriptFilename()) . '</h1>';
}
/**
* Returns an array of all known samples.
*
* @return string[] [$name => $path]
*/
public function getSamples()
{
// Populate samples
$baseDir = realpath(__DIR__ . '/../../../samples');
$directory = new RecursiveDirectoryIterator($baseDir);
$iterator = new RecursiveIteratorIterator($directory);
$regex = new RegexIterator($iterator, '/^.+\.php$/', RecursiveRegexIterator::GET_MATCH);
$files = [];
foreach ($regex as $file) {
$file = str_replace(str_replace('\\', '/', $baseDir) . '/', '', str_replace('\\', '/', $file[0]));
$info = pathinfo($file);
$category = str_replace('_', ' ', $info['dirname']);
$name = str_replace('_', ' ', preg_replace('/(|\.php)/', '', $info['filename']));
if (!in_array($category, ['.', 'boostrap', 'templates'])) {
if (!isset($files[$category])) {
$files[$category] = [];
}
$files[$category][$name] = $file;
}
}
// Sort everything
ksort($files);
foreach ($files as &$f) {
asort($f);
}
return $files;
}
/**
* Write documents.
*
* @param string $filename
* @param string[] $writers
*/
public function write(Spreadsheet $spreadsheet, $filename, array $writers = ['Xlsx', 'Xls']): void
{
// Set active sheet index to the first sheet, so Excel opens this as the first sheet
$spreadsheet->setActiveSheetIndex(0);
// Write documents
foreach ($writers as $writerType) {
$path = $this->getFilename($filename, mb_strtolower($writerType));
$writer = IOFactory::createWriter($spreadsheet, $writerType);
if ($writer instanceof Pdf) {
// PDF writer needs temporary directory
$tempDir = $this->getTemporaryFolder();
$writer->setTempDir($tempDir);
}
$callStartTime = microtime(true);
$writer->save($path);
$this->logWrite($writer, $path, $callStartTime);
}
$this->logEndingNotes();
}
/**
* Returns the temporary directory and make sure it exists.
*
* @return string
*/
private function getTemporaryFolder()
{
$tempFolder = sys_get_temp_dir() . '/phpspreadsheet';
if (!is_dir($tempFolder)) {
if (!mkdir($tempFolder) && !is_dir($tempFolder)) {
throw new RuntimeException(sprintf('Directory "%s" was not created', $tempFolder));
}
}
return $tempFolder;
}
/**
* Returns the filename that should be used for sample output.
*
* @param string $filename
* @param string $extension
*
* @return string
*/
public function getFilename($filename, $extension = 'xlsx')
{
$originalExtension = pathinfo($filename, PATHINFO_EXTENSION);
return $this->getTemporaryFolder() . '/' . str_replace('.' . $originalExtension, '.' . $extension, basename($filename));
}
/**
* Return a random temporary file name.
*
* @param string $extension
*
* @return string
*/
public function getTemporaryFilename($extension = 'xlsx')
{
$temporaryFilename = tempnam($this->getTemporaryFolder(), 'phpspreadsheet-');
unlink($temporaryFilename);
return $temporaryFilename . '.' . $extension;
}
public function log($message): void
{
$eol = $this->isCli() ? PHP_EOL : '<br />';
echo date('H:i:s ') . $message . $eol;
}
/**
* Log ending notes.
*/
public function logEndingNotes(): void
{
// Do not show execution time for index
$this->log('Peak memory usage: ' . (memory_get_peak_usage(true) / 1024 / 1024) . 'MB');
}
/**
* Log a line about the write operation.
*
* @param string $path
* @param float $callStartTime
*/
public function logWrite(IWriter $writer, $path, $callStartTime): void
{
$callEndTime = microtime(true);
$callTime = $callEndTime - $callStartTime;
$reflection = new ReflectionClass($writer);
$format = $reflection->getShortName();
$message = "Write {$format} format to <code>{$path}</code> in " . sprintf('%.4f', $callTime) . ' seconds';
$this->log($message);
}
/**
* Log a line about the read operation.
*
* @param string $format
* @param string $path
* @param float $callStartTime
*/
public function logRead($format, $path, $callStartTime): void
{
$callEndTime = microtime(true);
$callTime = $callEndTime - $callStartTime;
$message = "Read {$format} format from <code>{$path}</code> in " . sprintf('%.4f', $callTime) . ' seconds';
$this->log($message);
}
}
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