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SimpleXLSX.php
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SimpleXLSX.php
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<?php /** @noinspection MultiAssignmentUsageInspection */
namespace Shuchkin;
use SimpleXMLElement;
/**
* SimpleXLSX php class
* MS Excel 2007+ workbooks reader
*
* Copyright (c) 2012 - 2022 SimpleXLSX
*
* @category SimpleXLSX
* @package SimpleXLSX
* @copyright Copyright (c) 2012 - 2022 SimpleXLSX (https://github.com/shuchkin/simplexlsx/)
* @license MIT
*/
/** Examples
*
* use Shuchkin\SimpleXLSX;
*
* Example 1:
* if ( $xlsx = SimpleXLSX::parse('book.xlsx') ) {
* foreach ($xlsx->rows() as $r) {
* print_r( $r );
* }
* } else {
* echo SimpleXLSX::parseError();
* }
*
* Example 2: html table
* if ( $xlsx = SimpleXLSX::parse('book.xlsx') ) {
* echo $xlsx->toHTML();
* } else {
* echo SimpleXLSX::parseError();
* }
*
* Example 3: rowsEx
* $xlsx = SimpleXLSX::parse('book.xlsx');
* foreach ( $xlsx->rowsEx() as $r ) {
* print_r( $r );
* }
*
* Example 4: select worksheet
* $xlsx = SimpleXLSX::parse('book.xlsx');
* foreach( $xlsx->rows(1) as $r ) { // second worksheet
* print_t( $r );
* }
*
* Example 5: IDs and worksheet names
* $xlsx = SimpleXLSX::parse('book.xlsx');
* print_r( $xlsx->sheetNames() ); // array( 0 => 'Sheet 1', 1 => 'Catalog' );
*
* Example 6: get sheet name by index
* $xlsx = SimpleXLSX::parse('book.xlsx');
* echo 'Sheet Name 2 = '.$xlsx->sheetName(1);
*
* Example 7: getCell (very slow)
* echo $xlsx->getCell(1,'D12'); // reads D12 cell from second sheet
*
* Example 8: read data
* if ( $xlsx = SimpleXLSX::parseData( file_get_contents('http://www.example.com/example.xlsx') ) ) {
* $dim = $xlsx->dimension(1);
* $num_cols = $dim[0];
* $num_rows = $dim[1];
* echo $xlsx->sheetName(1).':'.$num_cols.'x'.$num_rows;
* } else {
* echo SimpleXLSX::parseError();
* }
*
* Example 9: old style
* $xlsx = new SimpleXLSX('book.xlsx');
* if ( $xlsx->success() ) {
* print_r( $xlsx->rows() );
* } else {
* echo 'xlsx error: '.$xlsx->error();
* }
*/
class SimpleXLSX
{
// Don't remove this string! Created by Sergey Shuchkin sergey.shuchkin@gmail.com
public static $CF = [ // Cell formats
0 => 'General',
1 => '0',
2 => '0.00',
3 => '#,##0',
4 => '#,##0.00',
9 => '0%',
10 => '0.00%',
11 => '0.00E+00',
12 => '# ?/?',
13 => '# ??/??',
14 => 'mm-dd-yy',
15 => 'd-mmm-yy',
16 => 'd-mmm',
17 => 'mmm-yy',
18 => 'h:mm AM/PM',
19 => 'h:mm:ss AM/PM',
20 => 'h:mm',
21 => 'h:mm:ss',
22 => 'm/d/yy h:mm',
37 => '#,##0 ;(#,##0)',
38 => '#,##0 ;[Red](#,##0)',
39 => '#,##0.00;(#,##0.00)',
40 => '#,##0.00;[Red](#,##0.00)',
44 => '_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)',
45 => 'mm:ss',
46 => '[h]:mm:ss',
47 => 'mmss.0',
48 => '##0.0E+0',
49 => '@',
27 => '[$-404]e/m/d',
30 => 'm/d/yy',
36 => '[$-404]e/m/d',
50 => '[$-404]e/m/d',
57 => '[$-404]e/m/d',
59 => 't0',
60 => 't0.00',
61 => 't#,##0',
62 => 't#,##0.00',
67 => 't0%',
68 => 't0.00%',
69 => 't# ?/?',
70 => 't# ??/??',
];
public $nf = []; // number formats
public $cellFormats = []; // cellXfs
public $datetimeFormat = 'Y-m-d H:i:s';
public $debug;
public $activeSheet = 0;
public $rowsExReader;
/* @var SimpleXMLElement[] $sheets */
public $sheets;
public $sheetFiles = [];
public $sheetMetaData = [];
public $sheetRels = [];
// scheme
public $styles;
/* @var array[] $package */
public $package;
public $sharedstrings;
public $date1904 = 0;
/*
private $date_formats = array(
0xe => "d/m/Y",
0xf => "d-M-Y",
0x10 => "d-M",
0x11 => "M-Y",
0x12 => "h:i a",
0x13 => "h:i:s a",
0x14 => "H:i",
0x15 => "H:i:s",
0x16 => "d/m/Y H:i",
0x2d => "i:s",
0x2e => "H:i:s",
0x2f => "i:s.S"
);
private $number_formats = array(
0x1 => "%1.0f", // "0"
0x2 => "%1.2f", // "0.00",
0x3 => "%1.0f", //"#,##0",
0x4 => "%1.2f", //"#,##0.00",
0x5 => "%1.0f", //"$#,##0;($#,##0)",
0x6 => '$%1.0f', //"$#,##0;($#,##0)",
0x7 => '$%1.2f', //"$#,##0.00;($#,##0.00)",
0x8 => '$%1.2f', //"$#,##0.00;($#,##0.00)",
0x9 => '%1.0f%%', //"0%"
0xa => '%1.2f%%', //"0.00%"
0xb => '%1.2f', //"0.00E00",
0x25 => '%1.0f', //"#,##0;(#,##0)",
0x26 => '%1.0f', //"#,##0;(#,##0)",
0x27 => '%1.2f', //"#,##0.00;(#,##0.00)",
0x28 => '%1.2f', //"#,##0.00;(#,##0.00)",
0x29 => '%1.0f', //"#,##0;(#,##0)",
0x2a => '$%1.0f', //"$#,##0;($#,##0)",
0x2b => '%1.2f', //"#,##0.00;(#,##0.00)",
0x2c => '$%1.2f', //"$#,##0.00;($#,##0.00)",
0x30 => '%1.0f'); //"##0.0E0";
// }}}
*/
public $errno = 0;
public $error = false;
/**
* @var false|SimpleXMLElement
*/
public $theme;
public function __construct($filename = null, $is_data = null, $debug = null)
{
if ($debug !== null) {
$this->debug = $debug;
}
$this->package = [
'filename' => '',
'mtime' => 0,
'size' => 0,
'comment' => '',
'entries' => []
];
if ($filename && $this->unzip($filename, $is_data)) {
$this->parseEntries();
}
}
public function unzip($filename, $is_data = false)
{
if ($is_data) {
$this->package['filename'] = 'default.xlsx';
$this->package['mtime'] = time();
$this->package['size'] = SimpleXLSX::strlen($filename);
$vZ = $filename;
} else {
if (!is_readable($filename)) {
$this->error(1, 'File not found ' . $filename);
return false;
}
// Package information
$this->package['filename'] = $filename;
$this->package['mtime'] = filemtime($filename);
$this->package['size'] = filesize($filename);
// Read file
$vZ = file_get_contents($filename);
}
// Cut end of central directory
/* $aE = explode("\x50\x4b\x05\x06", $vZ);
if (count($aE) == 1) {
$this->error('Unknown format');
return false;
}
*/
// Explode to each part
$aE = explode("\x50\x4b\x03\x04", $vZ);
array_shift($aE);
$aEL = count($aE);
if ($aEL === 0) {
$this->error(2, 'Unknown archive format');
return false;
}
// Search central directory end record
$last = $aE[$aEL - 1];
$last = explode("\x50\x4b\x05\x06", $last);
if (count($last) !== 2) {
$this->error(2, 'Unknown archive format');
return false;
}
// Search central directory
$last = explode("\x50\x4b\x01\x02", $last[0]);
if (count($last) < 2) {
$this->error(2, 'Unknown archive format');
return false;
}
$aE[$aEL - 1] = $last[0];
// Loop through the entries
foreach ($aE as $vZ) {
$aI = [];
$aI['E'] = 0;
$aI['EM'] = '';
// Retrieving local file header information
// $aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL', $vZ);
$aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL/v1EFL', $vZ);
// Check if data is encrypted
// $bE = ($aP['GPF'] && 0x0001) ? TRUE : FALSE;
// $bE = false;
$nF = $aP['FNL'];
$mF = $aP['EFL'];
// Special case : value block after the compressed data
if ($aP['GPF'] & 0x0008) {
$aP1 = unpack('V1CRC/V1CS/V1UCS', SimpleXLSX::substr($vZ, -12));
$aP['CRC'] = $aP1['CRC'];
$aP['CS'] = $aP1['CS'];
$aP['UCS'] = $aP1['UCS'];
// 2013-08-10
$vZ = SimpleXLSX::substr($vZ, 0, -12);
if (SimpleXLSX::substr($vZ, -4) === "\x50\x4b\x07\x08") {
$vZ = SimpleXLSX::substr($vZ, 0, -4);
}
}
// Getting stored filename
$aI['N'] = SimpleXLSX::substr($vZ, 26, $nF);
$aI['N'] = str_replace('\\', '/', $aI['N']);
if (SimpleXLSX::substr($aI['N'], -1) === '/') {
// is a directory entry - will be skipped
continue;
}
// Truncate full filename in path and filename
$aI['P'] = dirname($aI['N']);
$aI['P'] = ($aI['P'] === '.') ? '' : $aI['P'];
$aI['N'] = basename($aI['N']);
$vZ = SimpleXLSX::substr($vZ, 26 + $nF + $mF);
if ($aP['CS'] > 0 && (SimpleXLSX::strlen($vZ) !== (int)$aP['CS'])) { // check only if availabled
$aI['E'] = 1;
$aI['EM'] = 'Compressed size is not equal with the value in header information.';
}
// } elseif ( $bE ) {
// $aI['E'] = 5;
// $aI['EM'] = 'File is encrypted, which is not supported from this class.';
/* } else {
switch ($aP['CM']) {
case 0: // Stored
// Here is nothing to do, the file ist flat.
break;
case 8: // Deflated
$vZ = gzinflate($vZ);
break;
case 12: // BZIP2
if (extension_loaded('bz2')) {
$vZ = bzdecompress($vZ);
} else {
$aI['E'] = 7;
$aI['EM'] = 'PHP BZIP2 extension not available.';
}
break;
default:
$aI['E'] = 6;
$aI['EM'] = "De-/Compression method {$aP['CM']} is not supported.";
}
if (!$aI['E']) {
if ($vZ === false) {
$aI['E'] = 2;
$aI['EM'] = 'Decompression of data failed.';
} elseif ($this->_strlen($vZ) !== (int)$aP['UCS']) {
$aI['E'] = 3;
$aI['EM'] = 'Uncompressed size is not equal with the value in header information.';
} elseif (crc32($vZ) !== $aP['CRC']) {
$aI['E'] = 4;
$aI['EM'] = 'CRC32 checksum is not equal with the value in header information.';
}
}
}
*/
// DOS to UNIX timestamp
$aI['T'] = mktime(
($aP['FT'] & 0xf800) >> 11,
($aP['FT'] & 0x07e0) >> 5,
($aP['FT'] & 0x001f) << 1,
($aP['FD'] & 0x01e0) >> 5,
$aP['FD'] & 0x001f,
(($aP['FD'] & 0xfe00) >> 9) + 1980
);
$this->package['entries'][] = [
'data' => $vZ,
'ucs' => (int)$aP['UCS'], // ucompresses size
'cm' => $aP['CM'], // compressed method
'cs' => isset($aP['CS']) ? (int) $aP['CS'] : 0, // compresses size
'crc' => $aP['CRC'],
'error' => $aI['E'],
'error_msg' => $aI['EM'],
'name' => $aI['N'],
'path' => $aI['P'],
'time' => $aI['T']
];
} // end for each entries
return true;
}
public function error($num = null, $str = null)
{
if ($num) {
$this->errno = $num;
$this->error = $str;
if ($this->debug) {
trigger_error(__CLASS__ . ': ' . $this->error, E_USER_WARNING);
}
}
return $this->error;
}
public function parseEntries()
{
// Document data holders
$this->sharedstrings = [];
$this->sheets = [];
// $this->styles = array();
// $m1 = 0; // memory_get_peak_usage( true );
// Read relations and search for officeDocument
if ($relations = $this->getEntryXML('_rels/.rels')) {
foreach ($relations->Relationship as $rel) {
$rel_type = basename(trim((string)$rel['Type'])); // officeDocument
$rel_target = SimpleXLSX::getTarget('', (string)$rel['Target']); // /xl/workbook.xml or xl/workbook.xml
if ($rel_type === 'officeDocument'
&& $workbook = $this->getEntryXML($rel_target)
) {
$index_rId = []; // [0 => rId1]
$index = 0;
foreach ($workbook->sheets->sheet as $s) {
$a = [];
foreach ($s->attributes() as $k => $v) {
$a[(string)$k] = (string)$v;
}
$this->sheetMetaData[$index] = $a;
$index_rId[$index] = (string)$s['id'];
$index++;
}
if ((int)$workbook->workbookPr['date1904'] === 1) {
$this->date1904 = 1;
}
if ($workbookRelations = $this->getEntryXML(dirname($rel_target) . '/_rels/workbook.xml.rels')) {
// Loop relations for workbook and extract sheets...
foreach ($workbookRelations->Relationship as $workbookRelation) {
$wrel_type = basename(trim((string)$workbookRelation['Type'])); // worksheet
$wrel_target = SimpleXLSX::getTarget(dirname($rel_target), (string)$workbookRelation['Target']);
if (!$this->entryExists($wrel_target)) {
continue;
}
if ($wrel_type === 'worksheet') { // Sheets
if ($sheet = $this->getEntryXML($wrel_target)) {
$index = array_search((string)$workbookRelation['Id'], $index_rId, true);
$this->sheets[$index] = $sheet;
$this->sheetFiles[$index] = $wrel_target;
$srel_d = dirname($wrel_target);
$srel_f = basename($wrel_target);
$srel_file = $srel_d . '/_rels/' . $srel_f . '.rels';
if ($this->entryExists($srel_file)) {
$this->sheetRels[$index] = $this->getEntryXML($srel_file);
}
}
} elseif ($wrel_type === 'sharedStrings') {
if ($sharedStrings = $this->getEntryXML($wrel_target)) {
foreach ($sharedStrings->si as $val) {
if (isset($val->t)) {
$this->sharedstrings[] = (string)$val->t;
} elseif (isset($val->r)) {
$this->sharedstrings[] = SimpleXLSX::parseRichText($val);
}
}
}
} elseif ($wrel_type === 'styles') {
$this->styles = $this->getEntryXML($wrel_target);
// number formats
$this->nf = [];
if (isset($this->styles->numFmts->numFmt)) {
foreach ($this->styles->numFmts->numFmt as $v) {
$this->nf[(int)$v['numFmtId']] = (string)$v['formatCode'];
}
}
$this->cellFormats = [];
if (isset($this->styles->cellXfs->xf)) {
foreach ($this->styles->cellXfs->xf as $v) {
$x = [
'format' => null
];
foreach ($v->attributes() as $k1 => $v1) {
$x[ $k1 ] = (int) $v1;
}
if (isset($x['numFmtId'])) {
if (isset($this->nf[$x['numFmtId']])) {
$x['format'] = $this->nf[$x['numFmtId']];
} elseif (isset(self::$CF[$x['numFmtId']])) {
$x['format'] = self::$CF[$x['numFmtId']];
}
}
$this->cellFormats[] = $x;
}
}
} elseif ($wrel_type === 'theme') {
$this->theme = $this->getEntryXML($wrel_target);
}
}
// break;
}
// reptile hack :: find active sheet from workbook.xml
if ($workbook->bookViews->workbookView) {
foreach ($workbook->bookViews->workbookView as $v) {
if (!empty($v['activeTab'])) {
$this->activeSheet = (int)$v['activeTab'];
}
}
}
break;
}
}
}
// $m2 = memory_get_peak_usage(true);
// echo __FUNCTION__.' M='.round( ($m2-$m1) / 1048576, 2).'MB'.PHP_EOL;
if (count($this->sheets)) {
// Sort sheets
ksort($this->sheets);
return true;
}
return false;
}
public function getEntryXML($name)
{
if ($entry_xml = $this->getEntryData($name)) {
$this->deleteEntry($name); // economy memory
// dirty remove namespace prefixes and empty rows
$entry_xml = preg_replace('/xmlns[^=]*="[^"]*"/i', '', $entry_xml); // remove namespaces
$entry_xml .= ' '; // force run garbage collector
$entry_xml = preg_replace('/[a-zA-Z0-9]+:([a-zA-Z0-9]+="[^"]+")/', '$1', $entry_xml); // remove namespaced attrs
$entry_xml .= ' ';
$entry_xml = preg_replace('/<[a-zA-Z0-9]+:([^>]+)>/', '<$1>', $entry_xml); // fix namespaced openned tags
$entry_xml .= ' ';
$entry_xml = preg_replace('/<\/[a-zA-Z0-9]+:([^>]+)>/', '</$1>', $entry_xml); // fix namespaced closed tags
$entry_xml .= ' ';
if (strpos($name, '/sheet')) { // dirty skip empty rows
// remove <row...> <c /><c /></row>
$entry_xml = preg_replace('/<row[^>]+>\s*(<c[^\/]+\/>\s*)+<\/row>/', '', $entry_xml, -1, $cnt);
$entry_xml .= ' ';
// remove <row />
$entry_xml = preg_replace('/<row[^\/>]*\/>/', '', $entry_xml, -1, $cnt2);
$entry_xml .= ' ';
// remove <row...></row>
$entry_xml = preg_replace('/<row[^>]*><\/row>/', '', $entry_xml, -1, $cnt3);
$entry_xml .= ' ';
if ($cnt || $cnt2 || $cnt3) {
$entry_xml = preg_replace('/<dimension[^\/]+\/>/', '', $entry_xml);
$entry_xml .= ' ';
}
// file_put_contents( basename( $name ), $entry_xml ); // @to do comment!!!
}
$entry_xml = trim($entry_xml);
// $m1 = memory_get_usage();
// XML External Entity (XXE) Prevention, libxml_disable_entity_loader deprecated in PHP 8
if (LIBXML_VERSION < 20900 && function_exists('libxml_disable_entity_loader')) {
$_old = libxml_disable_entity_loader();
}
$_old_uie = libxml_use_internal_errors(true);
$entry_xmlobj = simplexml_load_string($entry_xml, 'SimpleXMLElement', LIBXML_COMPACT | LIBXML_PARSEHUGE);
libxml_use_internal_errors($_old_uie);
if (LIBXML_VERSION < 20900 && function_exists('libxml_disable_entity_loader')) {
/** @noinspection PhpUndefinedVariableInspection */
libxml_disable_entity_loader($_old);
}
// $m2 = memory_get_usage();
// echo round( ($m2-$m1) / (1024 * 1024), 2).' MB'.PHP_EOL;
if ($entry_xmlobj) {
return $entry_xmlobj;
}
$e = libxml_get_last_error();
if ($e) {
$this->error(3, 'XML-entry ' . $name . ' parser error ' . $e->message . ' line ' . $e->line);
}
} else {
$this->error(4, 'XML-entry not found ' . $name);
}
return false;
}
// sheets numeration: 1,2,3....
public function getEntryData($name)
{
$name = ltrim(str_replace('\\', '/', $name), '/');
$dir = SimpleXLSX::strtoupper(dirname($name));
$name = SimpleXLSX::strtoupper(basename($name));
foreach ($this->package['entries'] as &$entry) {
if (SimpleXLSX::strtoupper($entry['path']) === $dir && SimpleXLSX::strtoupper($entry['name']) === $name) {
if ($entry['error']) {
return false;
}
switch ($entry['cm']) {
case -1:
case 0: // Stored
// Here is nothing to do, the file ist flat.
break;
case 8: // Deflated
$entry['data'] = gzinflate($entry['data']);
break;
case 12: // BZIP2
if (extension_loaded('bz2')) {
$entry['data'] = bzdecompress($entry['data']);
} else {
$entry['error'] = 7;
$entry['error_message'] = 'PHP BZIP2 extension not available.';
}
break;
default:
$entry['error'] = 6;
$entry['error_msg'] = 'De-/Compression method '.$entry['cm'].' is not supported.';
}
if (!$entry['error'] && $entry['cm'] > -1) {
$entry['cm'] = -1;
if ($entry['data'] === false) {
$entry['error'] = 2;
$entry['error_msg'] = 'Decompression of data failed.';
} elseif ($entry['ucs'] > 0 && (SimpleXLSX::strlen($entry['data']) !== (int)$entry['ucs'])) {
$entry['error'] = 3;
$entry['error_msg'] = 'Uncompressed size is not equal with the value in header information.';
} elseif (crc32($entry['data']) !== $entry['crc']) {
$entry['error'] = 4;
$entry['error_msg'] = 'CRC32 checksum is not equal with the value in header information.';
}
}
return $entry['data'];
}
}
unset($entry);
$this->error(5, 'Entry not found ' . ($dir ? $dir . '/' : '') . $name);
return false;
}
public function deleteEntry($name)
{
$name = ltrim(str_replace('\\', '/', $name), '/');
$dir = SimpleXLSX::strtoupper(dirname($name));
$name = SimpleXLSX::strtoupper(basename($name));
foreach ($this->package['entries'] as $k => $entry) {
if (SimpleXLSX::strtoupper($entry['path']) === $dir && SimpleXLSX::strtoupper($entry['name']) === $name) {
unset($this->package['entries'][$k]);
return true;
}
}
return false;
}
public static function strtoupper($str)
{
return (ini_get('mbstring.func_overload') & 2) ? mb_strtoupper($str, '8bit') : strtoupper($str);
}
/*
* @param string $name Filename in archive
* @return SimpleXMLElement|bool
*/
public function entryExists($name)
{
// 0.6.6
$dir = SimpleXLSX::strtoupper(dirname($name));
$name = SimpleXLSX::strtoupper(basename($name));
foreach ($this->package['entries'] as $entry) {
if (SimpleXLSX::strtoupper($entry['path']) === $dir && SimpleXLSX::strtoupper($entry['name']) === $name) {
return true;
}
}
return false;
}
public static function parseFile($filename, $debug = false)
{
return self::parse($filename, false, $debug);
}
public static function parse($filename, $is_data = false, $debug = false)
{
$xlsx = new self();
$xlsx->debug = $debug;
if ($xlsx->unzip($filename, $is_data)) {
$xlsx->parseEntries();
}
if ($xlsx->success()) {
return $xlsx;
}
self::parseError($xlsx->error());
self::parseErrno($xlsx->errno());
return false;
}
public function success()
{
return !$this->error;
}
// https://github.com/shuchkin/simplexlsx#gets-extend-cell-info-by--rowsex
public static function parseError($set = false)
{
static $error = false;
return $set ? $error = $set : $error;
}
public static function parseErrno($set = false)
{
static $errno = false;
return $set ? $errno = $set : $errno;
}
public function errno()
{
return $this->errno;
}
public static function parseData($data, $debug = false)
{
return self::parse($data, true, $debug);
}
public function worksheet($worksheetIndex = 0)
{
if (isset($this->sheets[$worksheetIndex])) {
return $this->sheets[$worksheetIndex];
}
$this->error(6, 'Worksheet not found ' . $worksheetIndex);
return false;
}
/**
* returns [numCols,numRows] of worksheet
*
* @param int $worksheetIndex
*
* @return array
*/
public function dimension($worksheetIndex = 0)
{
if (($ws = $this->worksheet($worksheetIndex)) === false) {
return [0, 0];
}
/* @var SimpleXMLElement $ws */
$ref = (string)$ws->dimension['ref'];
if (SimpleXLSX::strpos($ref, ':') !== false) {
$d = explode(':', $ref);
$idx = $this->getIndex($d[1]);
return [$idx[0] + 1, $idx[1] + 1];
}
/*
if ( $ref !== '' ) { // 0.6.8
$index = $this->getIndex( $ref );
return [ $index[0] + 1, $index[1] + 1 ];
}
*/
// slow method
$maxC = $maxR = 0;
$iR = -1;
foreach ($ws->sheetData->row as $row) {
$iR++;
$iC = -1;
foreach ($row->c as $c) {
$iC++;
$idx = $this->getIndex((string)$c['r']);
$x = $idx[0];
$y = $idx[1];
if ($x > -1) {
if ($x > $maxC) {
$maxC = $x;
}
if ($y > $maxR) {
$maxR = $y;
}
} else {
if ($iC > $maxC) {
$maxC = $iC;
}
if ($iR > $maxR) {
$maxR = $iR;
}
}
}
}
return [$maxC + 1, $maxR + 1];
}
public function getIndex($cell = 'A1')
{
if (preg_match('/([A-Z]+)(\d+)/', $cell, $m)) {
$col = $m[1];
$row = $m[2];
$colLen = SimpleXLSX::strlen($col);
$index = 0;
for ($i = $colLen - 1; $i >= 0; $i--) {
$index += (ord($col[$i]) - 64) * pow(26, $colLen - $i - 1);
}
return [$index - 1, $row - 1];
}
// $this->error( 'Invalid cell index ' . $cell );
return [-1, -1];
}
public function value($cell)
{
// Determine data type
$dataType = (string)$cell['t'];
if ($dataType === '' || $dataType === 'n') { // number
$s = (int)$cell['s'];
if ($s > 0 && isset($this->cellFormats[$s])) {
if (array_key_exists('format', $this->cellFormats[$s])) {
$format = $this->cellFormats[$s]['format'];
if (preg_match('/[mM]/', preg_replace('/\"[^"]+\"/', '', $format))) { // [mm]onth,AM|PM
$dataType = 'D';
}
} else {
$dataType = 'n';
}
}
}
$value = '';
switch ($dataType) {
case 's':
// Value is a shared string
if ((string)$cell->v !== '') {
$value = $this->sharedstrings[(int)$cell->v];
}
break;
case 'str': // formula?
if ((string)$cell->v !== '') {
$value = (string)$cell->v;
}
break;
case 'b':
// Value is boolean
$value = (string)$cell->v;
if ($value === '0') {
$value = false;
} elseif ($value === '1') {
$value = true;
} else {
$value = (bool)$cell->v;
}
break;
case 'inlineStr':
// Value is rich text inline
$value = SimpleXLSX::parseRichText($cell->is);
break;
case 'e':
// Value is an error message
if ((string)$cell->v !== '') {
$value = (string)$cell->v;
}
break;
case 'D':
// Date as float
if (!empty($cell->v)) {
$value = $this->datetimeFormat ? gmdate($this->datetimeFormat, $this->unixstamp((float)$cell->v)) : (float)$cell->v;
}
break;
case 'd':
// Date as ISO YYYY-MM-DD
if ((string)$cell->v !== '') {
$value = (string)$cell->v;
}
break;
default:
// Value is a string
$value = (string)$cell->v;
// Check for numeric values
if (is_numeric($value)) {
/** @noinspection TypeUnsafeComparisonInspection */
if ($value == (int)$value) {
$value = (int)$value;
} /** @noinspection TypeUnsafeComparisonInspection */ elseif ($value == (float)$value) {
$value = (float)$value;
}
}
}
return $value;
}
public function unixstamp($excelDateTime)
{
$d = floor($excelDateTime); // days since 1900 or 1904
$t = $excelDateTime - $d;
if ($this->date1904) {
$d += 1462;
}
$t = (abs($d) > 0) ? ($d - 25569) * 86400 + round($t * 86400) : round($t * 86400);
return (int)$t;
}
public function toHTML($worksheetIndex = 0)
{
$s = '<table class=excel>';
foreach ($this->readRows($worksheetIndex) as $r) {
$s .= '<tr>';
foreach ($r as $c) {
$s .= '<td nowrap>' . ($c === '' ? ' ' : htmlspecialchars($c, ENT_QUOTES)) . '</td>';
}
$s .= "</tr>\r\n";
}
$s .= '</table>';
return $s;
}
public function toHTMLEx($worksheetIndex = 0)
{
$s = '<table class=excel>';
$y = 0;
foreach ($this->readRowsEx($worksheetIndex) as $r) {
$s .= '<tr>';
$x = 0;
foreach ($r as $c) {
$tag = 'td';
$css = $c['css'];
if ($y === 0) {
$tag = 'th';
$css .= $c['width'] ? 'width: '.round($c['width'] * 0.47, 2).'em;' : '';
}
if ($x === 0 && $c['height']) {
$css .= 'height: '.round($c['height'] * 1.3333).'px;';
}
$s .= '<'.$tag.' style="'.$css.'" nowrap>' . ($c['value'] === '' ? ' ' : htmlspecialchars($c['value'], ENT_QUOTES)) . '</'.$tag.'>';
$x++;
}
$s .= "</tr>\r\n";
$y++;
}
$s .= '</table>';
return $s;
}
public function rows($worksheetIndex = 0, $limit = 0)
{
return iterator_to_array($this->readRows($worksheetIndex, $limit), false);
}
// thx Gonzo
/**
* @param $worksheetIndex
* @param $limit
* @return \Generator
*/
public function readRows($worksheetIndex = 0, $limit = 0)
{
if (($ws = $this->worksheet($worksheetIndex)) === false) {