PHPでXLXSファイルを読み込み、ヘッダーを表示します。

require('./XLSXReader.php');

<?php
require('./XLSXReader.php');
$targetPath = './hello world.xlsx';
$xlsx = new XLSXReader($targetPath);
$sheetNames = $xlsx->getSheetNames();
$imports=array();
$html="";
foreach($sheetNames as $sheetName) {

    $sheet = $xlsx->getSheet($sheetName);
    echo "<h3>".$sheet->sheetName."</h3>";

    $html.="<table border='1'>";
    foreach($sheet->getData() as $row) {
        $html.="<tr>";
        foreach($row as $key){
            $html.="<td>".$key."</td>"; 
        }
        $html.="<tr>";  
    }
    $html.="</table>";
}
echo $html;