Fixed real numbers in 123.45 format detection, fast shared strings index

Replace array_search to optimize large arrays

README.md

@@ -1,4 +1,4 @@
-# SimpleXLSXGen class 0.9.10 (Official)
+# SimpleXLSXGen class 0.9.17 (Official)
 [<img src="https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fshieldsio-patreon.herokuapp.com%2Fshuchkin" />](https://www.patreon.com/shuchkin) [<img src="https://img.shields.io/github/license/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/blob/master/license.md) [<img src="https://img.shields.io/github/stars/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/stargazers) [<img src="https://img.shields.io/github/forks/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/network) [<img src="https://img.shields.io/github/issues/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/issues)
 
 Export data to Excel XLSX file. PHP XLSX generator. No external tools and libraries.<br/>
@@ -40,13 +40,33 @@ $data = [
     ['Integer', 123],
     ['Float', 12.35],
     ['Procent', '12%'],
-    ['Date','2020-05-20'],
     ['Datetime', '2020-05-20 02:38:00'],
+    ['Date','2020-05-20'],
+    ['Time','02:38:00'], 
     ['String', 'See SimpleXLSXGen column autosize feature']
 ];
 SimpleXLSXGen::fromArray( $data )->saveAs('datatypes.xlsx');
 ```
 ![XLSX screenshot](datatypes.png)
 
+### Debug
+```php
+ini_set('error_reporting', E_ALL );
+ini_set('display_errors', 1 );
+
+$data = [
+    ['Debug', 123]
+]
+SimpleXLSXGen::fromArray( $data )->saveAs('debug.xlsx');
+```
+
+
 ## History
-v0.9.10 (2020-05-20) initial relese
+v0.9.17 (2020-08-21) Fixed real numbers in 123.45 format detection, fast shared strings index (thx fredriksundin)<br/> 
+v0.9.16 (2020-07-29) Fixed time detection in HH:MM:SS format<br/>
+v0.9.15 (2020-07-14) escape of shared strings for special chars in cells [#1](https://github.com/shuchkin/simplexlsxgen/issues/1) <br/>
+v0.9.14 (2020-05-31) fixed num2name A-Z,AA-AZ column names, thx Ertan Yusufoglu<br/>
+v0.9.13 (2020-05-21) if string more 160 chars, save as inlineStr<br/>
+v0.9.12 (2020-05-21) readme fixed<br/>
+v0.9.11 (2020-05-21) removed XML unimportant attributes<br/>
+v0.9.10 (2020-05-20) initial release

src/SimpleXLSXGen.php

@@ -52,9 +52,9 @@ class SimpleXLSXGen {
 <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 count="1"><font><name val="Calibri"/><family val="2"/></font></fonts>
+<fonts count="2"><font><name val="Calibri"/><family val="2"/></font><font><name val="Calibri"/><family val="2"/><b/></font></fonts>
 <fills count="1"><fill><patternFill patternType="none"/></fill></fills>
-<borders count="1"><border diagonalUp="false" diagonalDown="false"><left/><right/><top/><bottom/><diagonal/></border></borders>
+<borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders>
 <cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" /></cellStyleXfs>
 <cellXfs count="6">
 	<xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/>
@@ -62,19 +62,14 @@ class SimpleXLSXGen {
 	<xf numFmtId="10" fontId="0" fillId="0" borderId="0" xfId="0"/>
 	<xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0"/>
 	<xf numFmtId="20" fontId="0" fillId="0" borderId="0" xfId="0"/>
-	<xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0"/>
+	<xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0"/>	
 </cellXfs>
 <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__.'"/>
-<workbookPr backupFile="false" showObjects="all" date1904="false"/>
-<bookViews>
-<workbookView showHorizontalScroll="true" showVerticalScroll="true" showSheetTabs="true" xWindow="0" yWindow="0" windowWidth="16384" windowHeight="8192" tabRatio="205" firstSheet="0" activeTab="0"/>
-</bookViews>
 <sheets><sheet name="Sheet1" sheetId="1" state="visible" r:id="rId2"/></sheets>
-<calcPr iterateCount="100" refMode="A1" iterate="false" iterateDelta="0.001"/>
 </workbook>'
 		];
 		// <col min="1" max="1" width="22.1796875" bestFit="1" customWidth="1"/>
@@ -122,7 +117,7 @@ class SimpleXLSXGen {
 		return true;
 	}
 	public function download() {
-		return $this->downloadAs( gmdate('YmdHi.xlsx') );
+		return $this->downloadAs( gmdate('YmdHi') . '.xlsx' );
 	}
 	public function downloadAs( $filename ) {
 		$fh = fopen('php://memory','wb');
@@ -167,6 +162,7 @@ class SimpleXLSXGen {
 		}
 
 		$SI = [];
+		$SI_KEYS = [];
 		$COLS = [];
 		$ROWS = [];
 		if ( count($this->rows)  ) {
@@ -176,7 +172,7 @@ class SimpleXLSXGen {
 				$CUR_ROW++;
 				$row = '<row r="'.$CUR_ROW.'">';
 				$CUR_COL = 0;
-				foreach( $r as $k => $v ) {
+				foreach( $r as $v ) {
 					$CUR_COL++;
 					if ( !isset($COL[ $CUR_COL ])) {
 						$COL[ $CUR_COL ] = 0;
@@ -186,7 +182,7 @@ class SimpleXLSXGen {
 					}
 					$COL[ $CUR_COL ] = max( mb_strlen( (string) $v ), $COL[ $CUR_COL ] );
 
-					$cname = $this->_num2name($CUR_COL).$CUR_ROW;
+					$cname = $this->num2name($CUR_COL) . $CUR_ROW;
 
 					$ct = $cs = null;
 
@@ -194,30 +190,38 @@ class SimpleXLSXGen {
 
 						if ( preg_match( '/^[-+]?\d{1,18}$/', $v ) ) {
 							$cv = ltrim($v,'+');
-						} elseif ( preg_match('/^[-+]?\d+\.?\d*$/', $v ) ) {
+						} elseif ( preg_match('/^[-+]?\d+\.\d+$/', $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, $m) ) {
+						} elseif ( preg_match('/^([-+]\d+\.\d+)%$/', $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]);
+							$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]);
+							$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],$m[6]);
+						} elseif ( preg_match('/^(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$/', $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
+						} elseif ( mb_strlen( $v ) > 160 ) {
+							$ct = 'inlineStr';
+							$cv = str_replace(['&','<','>'],['&amp;','&lt;','&gt;'], $v);
 						} else {
 							$ct = 's'; // shared string
-							$v = htmlentities($v, ENT_QUOTES);
-							$cv             = array_search( $v, $SI, true );
+							$v = str_replace(['&','<','>'],['&amp;','&lt;','&gt;'], $v);
+							$cv = false;
+							if ( isset($SI_KEYS[$v]) ) {
+								$cv = $SI_KEYS[$v];
+							}
+
 							if ( $cv === false ) {
 								$SI[] = $v;
 								$cv  = count( $SI ) - 1;
+								$SI_KEYS[$v] = $cv;
 							}
 						}
 					} elseif ( is_int( $v ) || is_float( $v ) ) {
@@ -226,17 +230,18 @@ class SimpleXLSXGen {
 						continue;
 					}
 
-					$row .= '<c r="' . $cname . '"'.($ct ? ' t="'.$ct.'"' : '').($cs ? ' s="'.$cs.'"' : '').'><v>' . $cv . "</v></c>\r\n";
+					$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, 60).'" bestFit="1" customWidth="1" />';
+//				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max+1, 60).'" bestFit="true" customWidth="true" />';
+				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max+1, 60).'" />';
 			}
-			$REF = 'A1:'.$this->_num2name(count($COLS)).$CUR_ROW;
+			$REF = 'A1:'.$this->num2name(count($COLS)) . $CUR_ROW;
 		} else {
-//			$COLS[] = '<col min="1" max="7" width="7.18" bestFit="1" customWidth="1" />';
-			$COLS[] = '<col min="1" max="7" bestFit="1" />';
+			$COLS[] = '<col min="1" max="1" bestFit="1" />';
 			$ROWS[] = '<row r="1"><c r="A1" t="s"><v>0</v></c></row>';
 			$REF = 'A1:A1';
 			$SI[] = 'No Data';
@@ -348,17 +353,22 @@ class SimpleXLSXGen {
 
 		return true;
 	}
-	private function _num2name($num) {
-		$numeric = ($num-1) % 26;
+	public 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 $this->num2name( $num2 ) . $letter;
 		}
-
 		return $letter;
 	}
-	private function _date2excel($year, $month, $day, $hours=0, $minutes=0, $seconds=0) {
+	public function date2excel($year, $month, $day, $hours=0, $minutes=0, $seconds=0) {
+	    $excelTime = (($hours * 3600) + ($minutes * 60) + $seconds) / 86400;
+
+	    if ( $year === 0 ) {
+	        return $excelTime;
+        }
+
 		// self::CALENDAR_WINDOWS_1900
 		$excel1900isLeapYear = True;
 		if (((int)$year === 1900) && ($month <= 2)) { $excel1900isLeapYear = False; }
@@ -376,8 +386,6 @@ class SimpleXLSXGen {
 		$decade = substr($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;
-		}
-}
+		return (float) $excelDate + $excelTime;
+	}
+}