rows = [];
$this->template = [
'[Content_Types].xml' => '
',
/* */
'_rels/.rels' => '
',
'docProps/app.xml' => '
0
'.__CLASS__.'',
'docProps/core.xml' => '
{DATE}
en-US
{DATE}
1
',
'xl/_rels/workbook.xml.rels' => '
',
'xl/worksheets/sheet1.xml' => '
{COLS}{ROWS}',
'xl/sharedStrings.xml' => '
{STRINGS}',
'xl/styles.xml' => '
',
'xl/workbook.xml' => '
'
];
//
// 0100
1200
// Простой шаблонБудем делать генератор
}
public static function fromArray( array $rows ) {
$xlsx = new self();
$xlsx->setRows( $rows );
return $xlsx;
}
public function setRows( $rows ) {
if ( is_array( $rows ) && isset( $rows[0] ) && is_array($rows[0]) ) {
$this->rows = $rows;
} else {
$this->rows = [];
}
}
public function __toString() {
$fh = fopen( 'php://memory', 'wb' );
if ( ! $fh ) {
return '';
}
if ( ! $this->_generate( $fh ) ) {
fclose( $fh );
return '';
}
$size = ftell( $fh );
fseek( $fh, 0);
return (string) fread( $fh, $size );
}
public function saveAs( $filename ) {
$fh = fopen( $filename, 'wb' );
if (!$fh) {
return false;
}
if ( !$this->_generate($fh) ) {
fclose($fh);
return false;
}
fclose($fh);
return true;
}
public function download() {
return $this->downloadAs( gmdate('YmdHi.xlsx') );
}
public function downloadAs( $filename ) {
$fh = fopen('php://memory','wb');
if (!$fh) {
return false;
}
if ( !$this->_generate( $fh )) {
fclose( $fh );
return false;
}
$size = ftell($fh);
header('Content-type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Disposition: attachment; filename="'.$filename.'"');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s \G\M\T' , time() ));
header('Content-Length: '.$size);
while( ob_get_level() ) {
ob_end_clean();
}
fseek($fh,0);
fpassthru( $fh );
fclose($fh);
return true;
}
private function _generate( $fh ) {
$zipSignature = "\x50\x4b\x03\x04"; // local file header signature
$dirSignature = "\x50\x4b\x01\x02"; // central dir header signature
$dirSignatureE= "\x50\x4b\x05\x06"; // end of central dir signature
$zipComments = 'Generated by '.__CLASS__.' PHP class, thanks sergey.shuchkin@gmail.com';
// $fh = fopen( $filename, 'wb' );
if (!$fh) {
return false;
}
$SI = [];
$COLS = [];
$ROWS = [];
if ( count($this->rows) ) {
$CUR_ROW = 0;
$COL = [];
foreach( $this->rows as $r ) {
$CUR_ROW++;
$row = '';
$CUR_COL = 0;
foreach( $r as $k => $v ) {
$CUR_COL++;
if ( !isset($COL[ $CUR_COL ])) {
$COL[ $CUR_COL ] = 0;
}
if ( $v === null || $v === '' ) {
continue;
}
$COL[ $CUR_COL ] = max( mb_strlen( (string) $v ), $COL[ $CUR_COL ] );
$cname = $this->_num2name($CUR_COL).$CUR_ROW;
$ct = $cs = null;
if ( is_string($v) ) {
if ( preg_match( '/^[-+]?\d{1,18}$/', $v ) ) {
$cv = ltrim($v,'+');
} elseif ( preg_match('/^[-+]?\d+\.?\d*$/', $v ) ) {
$cv = ltrim($v,'+');
} elseif ( preg_match('/^([-+]?\d+)%$/', $v, $m) ) {
$cv = round( $m[1] / 100, 2);
$cs = 1; // [9] 0%
} elseif ( preg_match('/^([-+]\d+\.\d*)%$/', $v, $m) ) {
$cv = round( $m[1] / 100, 4 );
$cs = 2; // [10] 0.00%
} elseif ( preg_match('/^(\d\d\d\d)-(\d\d)-(\d\d)$/', $v, $m ) ){
$cv = $this->_date2excel($m[1],$m[2],$m[3]);
$cs = 3; // [14] mm-dd-yy
} elseif ( preg_match('/^(\d\d):(\d\d):(\d\d)$/', $v, $m ) ){
$cv = $this->_date2excel(0,0,0,$m[1],$m[2],$m[3]);
$cs = 4; // [14] mm-dd-yy
} elseif ( preg_match('/^(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$/', $v, $m ) ){
$cv = $this->_date2excel($m[1],$m[2],$m[3],$m[4],$m[5],$m[6]);
$cs = 5; // [22] m/d/yy h:mm
} else {
$ct = 's'; // shared string
$v = htmlentities($v, ENT_QUOTES);
$cv = array_search( $v, $SI, true );
if ( $cv === false ) {
$SI[] = $v;
$cv = count( $SI ) - 1;
}
}
} elseif ( is_int( $v ) || is_float( $v ) ) {
$cv = $v;
} else {
continue;
}
$row .= '' . $cv . "\r\n";
}
$ROWS[] = $row . "
\r\n";
}
foreach ( $COL as $k => $max ) {
$COLS[] = '';
}
$REF = 'A1:'.$this->_num2name(count($COLS)).$CUR_ROW;
} else {
// $COLS[] = '';
$COLS[] = '';
$ROWS[] = '0
';
$REF = 'A1:A1';
$SI[] = 'No Data';
}
$SI_CNT = count($SI);
$SI = ''.implode("\r\n", $SI).'';
$cdrec = '';
foreach ($this->template as $cfilename => $data ) {
if ( $cfilename === 'docProps/core.xml' ) {
$data = str_replace('{DATE}', gmdate('Y-m-d\TH:i:s\Z'), $data);
} elseif ( $cfilename === 'xl/sharedStrings.xml' ) {
$data = str_replace(['{CNT}', '{STRINGS}'], [ $SI_CNT, $SI ], $data );
} elseif ( $cfilename === 'xl/worksheets/sheet1.xml' ) {
$data = str_replace(['{REF}','{COLS}','{ROWS}'],[ $REF, implode("\r\n", $COLS), implode("\r\n",$ROWS) ], $data );
}
$e = [];
$e['uncsize'] = mb_strlen($data, '8bit');
// if data to compress is too small, just store it
if($e['uncsize'] < 256){
$e['comsize'] = $e['uncsize'];
$e['vneeded'] = 10;
$e['cmethod'] = 0;
$zdata = $data;
} else{ // otherwise, compress it
$zdata = gzcompress($data);
$zdata = substr(substr($zdata, 0, - 4 ), 2); // fix crc bug (thanks to Eric Mueller)
$e['comsize'] = mb_strlen($zdata, '8bit');
$e['vneeded'] = 10;
$e['cmethod'] = 8;
}
$e['bitflag'] = 0;
$e['crc_32'] = crc32($data);
// Convert date and time to DOS Format, and set then
$lastmod_timeS = str_pad(decbin(date('s')>=32?date('s')-32:date('s')), 5, '0', STR_PAD_LEFT);
$lastmod_timeM = str_pad(decbin(date('i')), 6, '0', STR_PAD_LEFT);
$lastmod_timeH = str_pad(decbin(date('H')), 5, '0', STR_PAD_LEFT);
$lastmod_dateD = str_pad(decbin(date('d')), 5, '0', STR_PAD_LEFT);
$lastmod_dateM = str_pad(decbin(date('m')), 4, '0', STR_PAD_LEFT);
$lastmod_dateY = str_pad(decbin(date('Y')-1980), 7, '0', STR_PAD_LEFT);
# echo "ModTime: $lastmod_timeS-$lastmod_timeM-$lastmod_timeH (".date("s H H").")\n";
# echo "ModDate: $lastmod_dateD-$lastmod_dateM-$lastmod_dateY (".date("d m Y").")\n";
$e['modtime'] = bindec("$lastmod_timeH$lastmod_timeM$lastmod_timeS");
$e['moddate'] = bindec("$lastmod_dateY$lastmod_dateM$lastmod_dateD");
$e['offset'] = ftell($fh);
/** @noinspection DisconnectedForeachInstructionInspection */
fwrite($fh, $zipSignature);
fwrite($fh, pack('s', $e['vneeded'])); // version_needed
fwrite($fh, pack('s', $e['bitflag'])); // general_bit_flag
fwrite($fh, pack('s', $e['cmethod'])); // compression_method
fwrite($fh, pack('s', $e['modtime'])); // lastmod_time
fwrite($fh, pack('s', $e['moddate'])); // lastmod_date
fwrite($fh, pack('V', $e['crc_32'])); // crc-32
fwrite($fh, pack('I', $e['comsize'])); // compressed_size
fwrite($fh, pack('I', $e['uncsize'])); // uncompressed_size
fwrite($fh, pack('s', mb_strlen($cfilename, '8bit'))); // file_name_length
/** @noinspection DisconnectedForeachInstructionInspection */
fwrite($fh, pack('s', 0)); // extra_field_length
fwrite($fh, $cfilename); // file_name
// ignoring extra_field
fwrite($fh, $zdata);
// Append it to central dir
$e['external_attributes'] = (substr($cfilename, -1) === '/'&&!$zdata)?16:32; // Directory or file name
$e['comments'] = '';
$cdrec .= $dirSignature;
$cdrec .= "\x0\x0"; // version made by
$cdrec .= pack('v', $e['vneeded']); // version needed to extract
$cdrec .= "\x0\x0"; // general bit flag
$cdrec .= pack('v', $e['cmethod']); // compression method
$cdrec .= pack('v', $e['modtime']); // lastmod time
$cdrec .= pack('v', $e['moddate']); // lastmod date
$cdrec .= pack('V', $e['crc_32']); // crc32
$cdrec .= pack('V', $e['comsize']); // compressed filesize
$cdrec .= pack('V', $e['uncsize']); // uncompressed filesize
$cdrec .= pack('v', mb_strlen($cfilename,'8bit')); // file name length
$cdrec .= pack('v', 0); // extra field length
$cdrec .= pack('v', mb_strlen($e['comments'],'8bit')); // file comment length
$cdrec .= pack('v', 0); // disk number start
$cdrec .= pack('v', 0); // internal file attributes
$cdrec .= pack('V', $e['external_attributes']); // internal file attributes
$cdrec .= pack('V', $e['offset']); // relative offset of local header
$cdrec .= $cfilename;
$cdrec .= $e['comments'];
}
$before_cd = ftell($fh);
fwrite($fh, $cdrec);
// end of central dir
fwrite($fh, $dirSignatureE);
fwrite($fh, pack('v', 0)); // number of this disk
fwrite($fh, pack('v', 0)); // number of the disk with the start of the central directory
fwrite($fh, pack('v', count( $this->template ))); // total # of entries "on this disk"
fwrite($fh, pack('v', count( $this->template ))); // total # of entries overall
fwrite($fh, pack('V', mb_strlen($cdrec,'8bit'))); // size of central dir
fwrite($fh, pack('V', $before_cd)); // offset to start of central dir
fwrite($fh, pack('v', mb_strlen($zipComments,'8bit'))); // .zip file comment length
fwrite($fh, $zipComments);
return true;
}
private function _num2name($num) {
$numeric = ($num-1) % 26;
$letter = chr( 65 + $numeric );
$num2 = (int) ( ($num-1) / 26 );
if ( $num2 > 0 ) {
return $this->_num2name( $num2 - 1 ) . $letter;
}
return $letter;
}
private function _date2excel($year, $month, $day, $hours=0, $minutes=0, $seconds=0) {
// self::CALENDAR_WINDOWS_1900
$excel1900isLeapYear = True;
if (((int)$year === 1900) && ($month <= 2)) { $excel1900isLeapYear = False; }
$myExcelBaseDate = 2415020;
// Julian base date Adjustment
if ($month > 2) {
$month -= 3;
} else {
$month += 9;
--$year;
}
// Calculate the Julian Date, then subtract the Excel base date (JD 2415020 = 31-Dec-1899 Giving Excel Date of 0)
$century = substr($year,0,2);
$decade = substr($year,2,2);
$excelDate = floor((146097 * $century) / 4) + floor((1461 * $decade) / 4) + floor((153 * $month + 2) / 5) + $day + 1721119 - $myExcelBaseDate + $excel1900isLeapYear;
$excelTime = (($hours * 3600) + ($minutes * 60) + $seconds) / 86400;
return (float) $excelDate + $excelTime;
}
}