visualizer / vendor / phpoffice / phpexcel / Documentation / Examples / Reader / exampleReader11.php

exampleReader11.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.1.1, at vendor/phpoffice/phpexcel/Documentation/Examples/Reader/exampleReader11.php

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1	<?php
2
3	error_reporting(E_ALL);
4	set_time_limit(0);
5
6	date_default_timezone_set('Europe/London');
7
8	?>
9	<html>
10	<head>
11	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
12
13	<title>PHPExcel Reader Example #11</title>
14
15	</head>
16	<body>
17
18	<h1>PHPExcel Reader Example #11</h1>
19	<h2>Reading a Workbook in "Chunks" Using a Configurable Read Filter (Version 1)</h2>
20	<?php
21
22	/ Include path /
23	set_include_path(get_include_path() . PATH_SEPARATOR . '../../../Classes/');
24
25	/** PHPExcel_IOFactory */
26	include 'PHPExcel/IOFactory.php';
27
28
29	$inputFileType = 'Excel5';
30	// $inputFileType = 'Excel2007';
31	// $inputFileType = 'Excel2003XML';
32	// $inputFileType = 'OOCalc';
33	// $inputFileType = 'Gnumeric';
34	$inputFileName = './sampleData/example2.xls';
35
36
37	/** Define a Read Filter class implementing PHPExcel_Reader_IReadFilter */
38	class chunkReadFilter implements PHPExcel_Reader_IReadFilter
39	{
40	private $_startRow = 0;
41
42	private $_endRow = 0;
43
44	/** We expect a list of the rows that we want to read to be passed into the constructor */
45	public function __construct($startRow, $chunkSize) {
46	$this->_startRow = $startRow;
47	$this->_endRow = $startRow + $chunkSize;
48	}
49
50	public function readCell($column, $row, $worksheetName = '') {
51	// Only read the heading row, and the rows that were configured in the constructor
52	if (($row == 1) \|\| ($row >= $this->_startRow && $row < $this->_endRow)) {
53	return true;
54	}
55	return false;
56	}
57	}
58
59
60	echo 'Loading file ',pathinfo($inputFileName,PATHINFO_BASENAME),' using IOFactory with a defined reader type of ',$inputFileType,'<br />';
61	/ Create a new Reader of the type defined in $inputFileType /
62	$objReader = PHPExcel_IOFactory::createReader($inputFileType);
63
64
65	echo '<hr />';
66
67
68	/ Define how many rows we want for each "chunk" /
69	$chunkSize = 20;
70
71	/ Loop to read our worksheet in "chunk size" blocks /
72	for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) {
73	echo 'Loading WorkSheet using configurable filter for headings row 1 and for rows ',$startRow,' to ',($startRow+$chunkSize-1),'<br />';
74	/ Create a new Instance of our Read Filter, passing in the limits on which rows we want to read /
75	$chunkFilter = new chunkReadFilter($startRow,$chunkSize);
76	/ Tell the Reader that we want to use the new Read Filter that we've just Instantiated /
77	$objReader->setReadFilter($chunkFilter);
78	/ Load only the rows that match our filter from $inputFileName to a PHPExcel Object /
79	$objPHPExcel = $objReader->load($inputFileName);
80
81	// Do some processing here
82
83	$sheetData = $objPHPExcel->getActiveSheet()->toArray(null,true,true,true);
84	var_dump($sheetData);
85	echo '<br /><br />';
86	}
87
88
89	?>
90	<body>
91	</html>