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File: /medikors/www/wp-content/plugins/userfeedback-lite/includes/lib/class-simple-xlsx-gen.php
<?php

/**
 * Class SimpleXLSXGen
 * Export data to MS Excel. PHP XLSX generator
 * Author: sergey.shuchkin@gmail.com
 */

class SimpleXLSXGen {

	public $curSheet;
	protected $defaultFont;
	protected $defaultFontSize;
	protected $sheets;
	protected $template;
	protected $F, $F_KEYS; // fonts
	protected $XF, $XF_KEYS; // cellXfs
	protected $SI, $SI_KEYS; // shared strings
	const N_NORMAL      = 0; // General
	const N_INT         = 1; // 0
	const N_DEC         = 2; // 0.00
	const N_PERCENT_INT = 9; // 0%
	const N_PRECENT_DEC = 10; // 0.00%
	const N_DATE        = 14; // mm-dd-yy
	const N_TIME        = 20; // h:mm
	const N_DATETIME    = 22; // m/d/yy h:mm
	const F_NORMAL      = 0;
	const F_HYPERLINK   = 1;
	const F_BOLD        = 2;
	const F_ITALIC      = 4;
	const F_UNDERLINE   = 8;
	const F_STRIKE      = 16;
	const A_DEFAULT     = 0;
	const A_LEFT        = 1;
	const A_RIGHT       = 2;
	const A_CENTER      = 3;

	public function __construct() {
		$this->curSheet    = -1;
		$this->defaultFont = 'Calibri';
		$this->sheets      = array(
			array(
				'name'       => 'Sheet1',
				'rows'       => array(),
				'hyperlinks' => array(),
				'mergecells' => array(),
			),
		);
		$this->SI          = array();     // sharedStrings index
		$this->SI_KEYS     = array(); // & keys
		$this->F           = array( self::F_NORMAL ); // fonts
		$this->F_KEYS      = array( 0 ); // & keys
		$this->XF          = array( array( self::N_NORMAL, self::F_NORMAL, self::A_DEFAULT ) ); // styles
		$this->XF_KEYS     = array( 'N0F0A0' => 0 ); // & keys

		$this->template = array(
			'_rels/.rels'                         => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/>
<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" Target="docProps/core.xml"/>
<Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties" Target="docProps/app.xml"/>
</Relationships>',
			'docProps/app.xml'                    => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Properties xmlns="http://schemas.openxmlformats.org/officeDocument/2006/extended-properties">
<TotalTime>0</TotalTime>
<Application>' . __CLASS__ . '</Application></Properties>',
			'docProps/core.xml'                   => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<dcterms:created xsi:type="dcterms:W3CDTF">{DATE}</dcterms:created>
<dc:language>en-US</dc:language>
<dcterms:modified xsi:type="dcterms:W3CDTF">{DATE}</dcterms:modified>
<cp:revision>1</cp:revision>
</cp:coreProperties>',
			'xl/_rels/workbook.xml.rels'          => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/>
{SHEETS}',
			'xl/worksheets/sheet1.xml'            => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"
    xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"
><dimension ref="{REF}"/>{COLS}<sheetData>{ROWS}</sheetData>{MERGECELLS}{HYPERLINKS}</worksheet>',
			'xl/worksheets/_rels/sheet1.xml.rels' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">{HYPERLINKS}</Relationships>',
			'xl/sharedStrings.xml'                => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<sst xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" count="{CNT}" uniqueCount="{CNT}">{STRINGS}</sst>',
			'xl/styles.xml'                       => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main">
{FONTS}
<fills count="1"><fill><patternFill patternType="none"/></fill></fills>
<borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders>
<cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" /></cellStyleXfs>
{XF}
<cellStyles count="1">
    <cellStyle name="Normal" xfId="0" builtinId="0"/>
</cellStyles>
</styleSheet>',
			'xl/workbook.xml'                     => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">
<fileVersion appName="' . __CLASS__ . '"/><sheets>
{SHEETS}
</sheets></workbook>',
			'[Content_Types].xml'                 => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">
<Override PartName="/rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
<Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/>
<Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/>
<Override PartName="/xl/_rels/workbook.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
<Override PartName="/xl/sharedStrings.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"/>
<Override PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml"/>
<Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/>
{TYPES}
</Types>',
		);

		// <col min="1" max="1" width="22.1796875" bestFit="1" customWidth="1"/>
		// <row r="1" spans="1:2" x14ac:dyDescent="0.35"><c r="A1" t="s"><v>0</v></c><c r="B1"><v>100</v></c></row><row r="2" spans="1:2" x14ac:dyDescent="0.35"><c r="A2" t="s"><v>1</v></c><c r="B2"><v>200</v></c></row>
		// <si><t>Простой шаблон</t></si><si><t>Будем делать генератор</t></si>
	}
	public static function fromArray( array $rows, $sheetName = null ) {
		return ( new static() )->addSheet( $rows, $sheetName );
	}

	public function addSheet( array $rows, $name = null ) {

		$this->curSheet++;
		if ( $name === null ) { // autogenerated sheet names
			$name = 'Sheet' . ( $this->curSheet + 1 );
		} else {
			$name  = mb_substr( $name, 0, 31 );
			$names = array();
			foreach ( $this->sheets as $sh ) {
				$names[ mb_strtoupper( $sh['name'] ) ] = 1;
			}
			for ( $i = 0; $i < 100; $i++ ) {
				$postfix  = ' (' . $i . ')';
				$new_name = ( $i === 0 ) ? $name : $name . $postfix;
				if ( mb_strlen( $new_name ) > 31 ) {
					$new_name = mb_substr( $name, 0, 31 - mb_strlen( $postfix ) ) . $postfix;
				}
				$NEW_NAME = mb_strtoupper( $new_name );
				if ( ! isset( $names[ $NEW_NAME ] ) ) {
					$name = $new_name;
					break;
				}
			}
		}

		$this->sheets[ $this->curSheet ] = array(
			'name'       => $name,
			'hyperlinks' => array(),
			'mergecells' => array(),
		);

		if ( isset( $rows[0] ) && is_array( $rows[0] ) ) {
			$this->sheets[ $this->curSheet ]['rows'] = $rows;
		} else {
			$this->sheets[ $this->curSheet ]['rows'] = array();
		}
		return $this;
	}

	public function __toString() {
		$fh = fopen( 'php://memory', 'wb' );
		if ( ! $fh ) {
			return '';
		}

		if ( ! $this->_write( $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->_write( $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->_write( $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;
	}

	protected function _write( $fh ) {

		$dirSignatureE = "\x50\x4b\x05\x06"; // end of central dir signature
		$zipComments   = 'Generated by ' . __CLASS__ . ' PHP class, thanks sergey.shuchkin@gmail.com';

		if ( ! $fh ) {
			return false;
		}

		$cdrec      = '';    // central directory content
		$entries    = 0;    // number of zipped files
		$cnt_sheets = count( $this->sheets );

		foreach ( $this->template as $cfilename => $template ) {
			if ( $cfilename === 'xl/_rels/workbook.xml.rels' ) {
				$s = '';
				for ( $i = 0; $i < $cnt_sheets; $i++ ) {
					$s .= '<Relationship Id="rId' . ( $i + 2 ) . '" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet"' .
						' Target="worksheets/sheet' . ( $i + 1 ) . ".xml\"/>\n";
				}
				$s       .= '<Relationship Id="rId' . ( $i + 2 ) . '" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings" Target="sharedStrings.xml"/></Relationships>';
				$template = str_replace( '{SHEETS}', $s, $template );
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			} elseif ( $cfilename === 'xl/workbook.xml' ) {
				$s = '';
				foreach ( $this->sheets as $k => $v ) {
					$s .= '<sheet name="' . $this->esc( $v['name'] ) . '" sheetId="' . ( $k + 1 ) . '" state="visible" r:id="rId' . ( $k + 2 ) . '"/>';
				}
				$template = str_replace( '{SHEETS}', $s, $template );
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			} elseif ( $cfilename === 'docProps/core.xml' ) {
				$template = str_replace( '{DATE}', gmdate( 'Y-m-d\TH:i:s\Z' ), $template );
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			} elseif ( $cfilename === 'xl/sharedStrings.xml' ) {
				if ( ! count( $this->SI ) ) {
					$this->SI[] = 'No Data';
				}
				$si_cnt   = count( $this->SI );
				$si       = '<si><t>' . implode( "</t></si>\r\n<si><t>", $this->SI ) . '</t></si>';
				$template = str_replace( array( '{CNT}', '{STRINGS}' ), array( $si_cnt, $si ), $template );
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			} elseif ( $cfilename === 'xl/worksheets/sheet1.xml' ) {
				foreach ( $this->sheets as $k => $v ) {
					$filename = 'xl/worksheets/sheet' . ( $k + 1 ) . '.xml';
					$xml      = $this->_sheetToXML( $k, $template );
					$this->_writeEntry( $fh, $cdrec, $filename, $xml );
					$entries++;
				}
				$xml = null;
			} elseif ( $cfilename === 'xl/worksheets/_rels/sheet1.xml.rels' ) {
				foreach ( $this->sheets as $k => $v ) {
					if ( count( $v['hyperlinks'] ) ) {
						$RH       = array();
						$filename = 'xl/worksheets/_rels/sheet' . ( $k + 1 ) . '.xml.rels';
						foreach ( $v['hyperlinks'] as $h ) {
							$RH[] = '<Relationship Id="' . $h['ID'] . '" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink" Target="' . $this->esc( $h['H'] ) . '" TargetMode="External"/>';
						}
						$xml = str_replace( '{HYPERLINKS}', implode( "\r\n", $RH ), $template );
						$this->_writeEntry( $fh, $cdrec, $filename, $xml );
						$entries++;
					}
				}
				$xml = null;

			} elseif ( $cfilename === '[Content_Types].xml' ) {
				$TYPES = array( '<Override PartName="/_rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>' );
				foreach ( $this->sheets as $k => $v ) {
					$TYPES[] = '<Override PartName="/xl/worksheets/sheet' . ( $k + 1 ) .
						'.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/>';
					if ( count( $v['hyperlinks'] ) ) {
						$TYPES[] = '<Override PartName="/xl/worksheets/_rels/sheet' . ( $k + 1 ) . '.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>';
					}
				}
				$template = str_replace( '{TYPES}', implode( "\r\n", $TYPES ), $template );
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			} elseif ( $cfilename === 'xl/styles.xml' ) {
				$FONTS = array( '<fonts count="' . count( $this->F ) . '">' );
				foreach ( $this->F as $f ) {
					$FONTS[] = '<font><name val="' . $this->defaultFont . '"/><family val="2"/>'
						. ( $this->defaultFontSize ? '<sz val="' . $this->defaultFontSize . '"/>' : '' )
						. ( $f & self::F_BOLD ? '<b/>' : '' )
						. ( $f & self::F_ITALIC ? '<i/>' : '' )
						. ( $f & self::F_UNDERLINE ? '<u/>' : '' )
						. ( $f & self::F_STRIKE ? '<strike/>' : '' )
						. ( $f & self::F_HYPERLINK ? '<color rgb="FF0563C1"/><u/>' : '' )
						. '</font>';
				}
				$FONTS[] = '</fonts>';
				$XF      = array( '<cellXfs count="' . count( $this->XF ) . '">' );
				foreach ( $this->XF as $xf ) {
					$align = ( $xf[2] === self::A_LEFT ? ' applyAlignment="1"><alignment horizontal="left"/>' : '' )
						. ( $xf[2] === self::A_RIGHT ? ' applyAlignment="1"><alignment horizontal="right"/>' : '' )
						. ( $xf[2] === self::A_CENTER ? ' applyAlignment="1"><alignment horizontal="center"/>' : '' );
					$XF[]  = '<xf numFmtId="' . $xf[0] . '" fontId="' . $xf[1] . '" fillId="0" borderId="0" xfId="0"'
						. ( $xf[0] > 0 ? ' applyNumberFormat="1"' : '' )
						. ( $align ? $align . '</xf>' : '/>' );

				}
				$XF[]     = '</cellXfs>';
				$template = str_replace( array( '{FONTS}', '{XF}' ), array( implode( "\r\n", $FONTS ), implode( "\r\n", $XF ) ), $template );
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			} else {
				$this->_writeEntry( $fh, $cdrec, $cfilename, $template );
				$entries++;
			}
		}
		$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', $entries ) ); // total # of entries "on this disk"
		fwrite( $fh, pack( 'v', $entries ) ); // 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;
	}

	protected function _writeEntry( $fh, &$cdrec, $cfilename, $data ) {
		$zipSignature = "\x50\x4b\x03\x04"; // local file header signature
		$dirSignature = "\x50\x4b\x01\x02"; // central dir header signature

		$e            = array();
		$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 );

		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
		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'];
	}

	protected function _sheetToXML( $idx, $template ) {
		// locale floats fr_FR 1.234,56 -> 1234.56
		$_loc = setlocale( LC_NUMERIC, 0 );
		setlocale( LC_NUMERIC, 'C' );
		$COLS = array();
		$ROWS = array();
		if ( count( $this->sheets[ $idx ]['rows'] ) ) {
			$COLS[]  = '<cols>';
			$CUR_ROW = 0;
			$COL     = array();
			foreach ( $this->sheets[ $idx ]['rows'] as $r ) {
				$CUR_ROW++;
				$row     = '<row r="' . $CUR_ROW . '">';
				$CUR_COL = 0;
				foreach ( $r as $v ) {
					$CUR_COL++;
					if ( ! isset( $COL[ $CUR_COL ] ) ) {
						$COL[ $CUR_COL ] = 0;
					}
					$cname = $this->num2name( $CUR_COL ) . $CUR_ROW;

					if ( $v === null || $v === '' ) {
						$row .= '<c r="' . $cname . '"/>';
						continue;
					}

					$ct = $cv = null;
					$N  = $F = $A = 0;

					if ( is_string( $v ) ) {

						if ( $v[0] === "\0" ) { // RAW value as string
							$v  = substr( $v, 1 );
							$vl = mb_strlen( $v );
						} else {
							if ( strpos( $v, '<' ) !== false ) { // tags?
								if ( strpos( $v, '<b>' ) !== false ) {
									$F += self::F_BOLD;
								}
								if ( strpos( $v, '<i>' ) !== false ) {
									$F += self::F_ITALIC;
								}
								if ( strpos( $v, '<u>' ) !== false ) {
									$F += self::F_UNDERLINE;
								}
								if ( strpos( $v, '<s>' ) !== false ) {
									$F += self::F_STRIKE;
								}
								if ( strpos( $v, '<left>' ) !== false ) {
									$A += self::A_LEFT;
								}
								if ( strpos( $v, '<center>' ) !== false ) {
									$A += self::A_CENTER;
								}
								if ( strpos( $v, '<right>' ) !== false ) {
									$A += self::A_RIGHT;
								}
								if ( preg_match( '/<a href="(https?:\/\/[^"]+)">(.*?)<\/a>/i', $v, $m ) ) {
									$h                                    = explode( '#', $m[1] );
									$this->sheets[ $idx ]['hyperlinks'][] = array(
										'ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ),
										'R'  => $cname,
										'H'  => $h[0],
										'L'  => isset( $h[1] ) ? $h[1] : '',
									);
									$F                                    = self::F_HYPERLINK; // Hyperlink
								}
								if ( preg_match( '/<a href="(mailto?:[^"]+)">(.*?)<\/a>/i', $v, $m ) ) {
									$this->sheets[ $idx ]['hyperlinks'][] = array(
										'ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ),
										'R'  => $cname,
										'H'  => $m[1],
										'L'  => '',
									);
									$F                                    = self::F_HYPERLINK; // mailto hyperlink
								}
								$v = strip_tags( $v );
							} // tags
							$vl = mb_strlen( $v );
							if ( $v === '0' || preg_match( '/^[-+]?[1-9]\d{0,14}$/', $v ) ) { // Integer as General
								$cv = ltrim( $v, '+' );
								if ( $vl > 10 ) {
									$N = self::N_INT; // [1] 0
								}
							} elseif ( preg_match( '/^[-+]?(0|[1-9]\d*)\.(\d+)$/', $v, $m ) ) {
								$cv = ltrim( $v, '+' );
								if ( strlen( $m[2] ) < 3 ) {
									$N = self::N_DEC;
								}
							} elseif ( preg_match( '/^([-+]?\d+)%$/', $v, $m ) ) {
								$cv = round( $m[1] / 100, 2 );
								$N  = self::N_PERCENT_INT; // [9] 0%
							} elseif ( preg_match( '/^([-+]?\d+\.\d+)%$/', $v, $m ) ) {
								$cv = round( $m[1] / 100, 4 );
								$N  = self::N_PRECENT_DEC; // [10] 0.00%
							} elseif ( preg_match( '/^(\d\d\d\d)-(\d\d)-(\d\d)$/', $v, $m ) ) {
								$cv = $this->date2excel( $m[1], $m[2], $m[3] );
								$N  = self::N_DATE; // [14] mm-dd-yy
							} elseif ( preg_match( '/^(\d\d)\/(\d\d)\/(\d\d\d\d)$/', $v, $m ) ) {
								$cv = $this->date2excel( $m[3], $m[2], $m[1] );
								$N  = self::N_DATE; // [14] mm-dd-yy
							} elseif ( preg_match( '/^(\d\d):(\d\d):(\d\d)$/', $v, $m ) ) {
								$cv = $this->date2excel( 0, 0, 0, $m[1], $m[2], $m[3] );
								$N  = self::N_TIME; // time
							} elseif ( preg_match( '/^(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$/', $v, $m ) ) {
								$cv = $this->date2excel( $m[1], $m[2], $m[3], $m[4], $m[5], $m[6] );
								$N  = ( (int) $m[1] === 0 ) ? self::N_TIME : self::N_DATETIME; // [22] m/d/yy h:mm
							} elseif ( preg_match( '/^(\d\d)\/(\d\d)\/(\d\d\d\d) (\d\d):(\d\d):(\d\d)$/', $v, $m ) ) {
								$cv = $this->date2excel( $m[3], $m[2], $m[1], $m[4], $m[5], $m[6] );
								$N  = self::N_DATETIME; // [22] m/d/yy h:mm
							} elseif ( preg_match( '/^[0-9+-.]+$/', $v ) ) { // Long ?
								$A = self::A_RIGHT;
							} elseif ( preg_match( '/^https?:\/\/\S+$/i', $v ) ) {
								$h                                    = explode( '#', $v );
								$this->sheets[ $idx ]['hyperlinks'][] = array(
									'ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ),
									'R'  => $cname,
									'H'  => $h[0],
									'L'  => isset( $h[1] ) ? $h[1] : '',
								);
								$F                                    = self::F_HYPERLINK; // Hyperlink
							} elseif ( preg_match( '/^[a-zA-Z0-9_\.\-]+@([a-zA-Z0-9][a-zA-Z0-9\-]*\.)+[a-zA-Z]{2,}$/', $v ) ) {
								$this->sheets[ $idx ]['hyperlinks'][] = array(
									'ID' => 'rId' . ( count( $this->sheets[ $idx ]['hyperlinks'] ) + 1 ),
									'R'  => $cname,
									'H'  => 'mailto:' . $v,
									'L'  => '',
								);
								$F                                    = self::F_HYPERLINK; // Hyperlink
							}
							if ( ( $N === self::N_DATE || $N === self::N_DATETIME ) && $cv < 0 ) {
								$cv = null;
								$N  = 0;
							}
						}
						if ( ! $cv ) {

							$v = $this->esc( $v );

							if ( mb_strlen( $v ) > 160 ) {
								$ct = 'inlineStr';
								$cv = $v;
							} else {
								$ct   = 's'; // shared string
								$cv   = false;
								$skey = '~' . $v;
								if ( isset( $this->SI_KEYS[ $skey ] ) ) {
									$cv = $this->SI_KEYS[ $skey ];
								}
								if ( $cv === false ) {
									$this->SI[]             = $v;
									$cv                     = count( $this->SI ) - 1;
									$this->SI_KEYS[ $skey ] = $cv;
								}
							}
						}
					} elseif ( is_int( $v ) ) {
						$vl = mb_strlen( (string) $v );
						$cv = $v;
					} elseif ( is_float( $v ) ) {
						$vl = mb_strlen( (string) $v );
						$cv = $v;
					} elseif ( $v instanceof \DateTime ) {
						$vl = 16;
						$cv = $this->date2excel( $v->format( 'Y' ), $v->format( 'm' ), $v->format( 'd' ), $v->format( 'H' ), $v->format( 'i' ), $v->format( 's' ) );
						$N  = self::N_DATETIME; // [22] m/d/yy h:mm
					} else {
						continue;
					}

					$COL[ $CUR_COL ] = max( $vl, $COL[ $CUR_COL ] );

					$cs = 0;
					if ( $N + $F + $A > 0 ) {

						if ( isset( $this->F_KEYS[ $F ] ) ) {
							$cf = $this->F_KEYS[ $F ];
						} else {
							$cf                 = count( $this->F );
							$this->F_KEYS[ $F ] = $cf;
							$this->F[]          = $F;
						}
						$NFA = 'N' . $N . 'F' . $cf . 'A' . $A;
						if ( isset( $this->XF_KEYS[ $NFA ] ) ) {
							$cs = $this->XF_KEYS[ $NFA ];
						}
						if ( $cs === 0 ) {
							$cs                    = count( $this->XF );
							$this->XF_KEYS[ $NFA ] = $cs;
							$this->XF[]            = array( $N, $cf, $A );
						}
					}

					$row .= '<c r="' . $cname . '"' . ( $ct ? ' t="' . $ct . '"' : '' ) . ( $cs ? ' s="' . $cs . '"' : '' ) . '>'
						. ( $ct === 'inlineStr' ? '<is><t>' . $cv . '</t></is>' : '<v>' . $cv . '</v>' ) . "</c>\r\n";
				}
				$ROWS[] = $row . "</row>\r\n";
			}
			foreach ( $COL as $k => $max ) {
				$COLS[] = '<col min="' . $k . '" max="' . $k . '" width="' . min( $max + 1, 60 ) . '" />';
			}
			$COLS[] = '</cols>';
			$REF    = 'A1:' . $this->num2name( count( $COL ) ) . $CUR_ROW;
		} else {
			$ROWS[] = '<row r="1"><c r="A1" t="s"><v>0</v></c></row>';
			$REF    = 'A1:A1';
		}

		$MERGECELLS = array();
		if ( count( $this->sheets[ $idx ]['mergecells'] ) ) {
			$MERGECELLS[] = '';
			$MERGECELLS[] = '<mergeCells count="' . count( $this->sheets[ $idx ]['mergecells'] ) . '">';
			foreach ( $this->sheets[ $idx ]['mergecells'] as $m ) {
				$MERGECELLS[] = '<mergeCell ref="' . $m . '"/>';
			}
			$MERGECELLS[] = '</mergeCells>';
		}

		$HYPERLINKS = array();
		if ( count( $this->sheets[ $idx ]['hyperlinks'] ) ) {
			$HYPERLINKS[] = '<hyperlinks>';
			foreach ( $this->sheets[ $idx ]['hyperlinks'] as $h ) {
				$HYPERLINKS[] = '<hyperlink ref="' . $h['R'] . '" r:id="' . $h['ID'] . '" location="' . $this->esc( $h['L'] ) . '" display="' . $this->esc( $h['H'] . ( $h['L'] ? ' - ' . $h['L'] : '' ) ) . '" />';
			}
			$HYPERLINKS[] = '</hyperlinks>';
		}
		// restore locale
		setlocale( LC_NUMERIC, $_loc );

		return str_replace(
			array( '{REF}', '{COLS}', '{ROWS}', '{MERGECELLS}', '{HYPERLINKS}' ),
			array( $REF, implode( "\r\n", $COLS ), implode( "\r\n", $ROWS ), implode( "\r\n", $MERGECELLS ), implode( "\r\n", $HYPERLINKS ) ),
			$template
		);
	}

	public function num2name( $num ) {
		$numeric = ( $num - 1 ) % 26;
		$letter  = chr( 65 + $numeric );
		$num2    = (int) ( ( $num - 1 ) / 26 );
		if ( $num2 > 0 ) {
			return $this->num2name( $num2 ) . $letter;
		}
		return $letter;
	}

	public function date2excel( $year, $month, $day, $hours = 0, $minutes = 0, $seconds = 0 ) {

		$excelTime = ( ( $hours * 3600 ) + ( $minutes * 60 ) + $seconds ) / 86400;

		if ( (int) $year === 0 ) {
			return $excelTime;
		}

		// self::CALENDAR_WINDOWS_1900
		$excel1900isLeapYear = true;
		if ( ( $year === 1900 ) && ( $month <= 2 ) ) {
			$excel1900isLeapYear = false; }
		$myExcelBaseDate = 2415020;

		// Julian base date Adjustment
		if ( $month > 2 ) {
			$month -= 3;
		} else {
			$month += 9;
			--$year;
		}
		$century = substr( $year, 0, 2 );
		$decade  = substr( $year, 2, 2 );
		// Calculate the Julian Date, then subtract the Excel base date (JD 2415020 = 31-Dec-1899 Giving Excel Date of 0)
		$excelDate = floor( ( 146097 * $century ) / 4 ) + floor( ( 1461 * $decade ) / 4 ) + floor( ( 153 * $month + 2 ) / 5 ) + $day + 1721119 - $myExcelBaseDate + $excel1900isLeapYear;

		return (float) $excelDate + $excelTime;
	}
	public function setDefaultFont( $name ) {
		$this->defaultFont = $name;
		return $this;
	}
	public function setDefaultFontSize( $size ) {
		$this->defaultFontSize = $size;
		return $this;
	}
	public function mergeCells( $range ) {
		$this->sheets[ $this->curSheet ]['mergecells'][] = $range;
		return $this;
	}
	public function esc( $str ) {
		// XML UTF-8: #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
		// but we use fast version
		return str_replace( array( '&', '<', '>', "\x00", "\x03", "\x0B" ), array( '&amp;', '&lt;', '&gt;', '', '', '' ), $str );
	}
}