[英]How to traverse an multidimensional array to write it in a delimited file. (PHP)
我有一个数组“ $ results”,其中包含结果集,该结果集是使用正则表达式从网页中抓取的。 在遍历数组以将数组的整个数据写入.csv文件时,我有些困惑。
这是按以下方式打印后的数组输出。
print_r ($results); //printing the array
产量
Array
(
[fullName] => Ogdensburg Walmart Store #2092
[street1] => 3000 Ford Street Ext
[city] => Ogdensburg
[state] => NY
[zipcode] => 13669
[phone] => (315) 394-8990
[latitude] => 44.7083
[longitude] => -75.4564
)
Array
(
[fullName] => Evans Mills Walmart Supercenter Store #5497
[street1] => 25737 Us Route #11
[city] => Evans Mills
[state] => NY
[zipcode] => 13637
[phone] => (315) 629-2124
[latitude] => 44.0369
[longitude] => -75.8455
)
Array
(
[fullName] => Watertown Walmart Supercenter Store #1871
[street1] => 20823 State Route 3
[city] => Watertown
[state] => NY
[zipcode] => 13601
[phone] => (315) 786-0145
[latitude] => 43.9773
[longitude] => -75.9579
)
我只使用简单的数组,任何人都可以提示我如何遍历$results
数组以将其写入.csv文件或.xls文件中。
$fp = fopen($filename, 'w');
foreach ($results as $row) {
fputcsv($fp, $row);
}
您可以使用此:
$fp = fopen("file.csv","w");
foreach((array)$results as $val) {
fwrite($fp,implode(";",$val)."\r\n");
}
fclose($fp);
几句话要说:
需要"\\r\\n"
才能正确更改行
虽然最常见的分隔符是逗号(,)
,但我发现某些应用程序(例如microsoft excel 2010)不喜欢它,而是put the whole line in a cell
; 相反,在这种情况下, semicolon
起作用了。
我一直对fputcsv有问题,所以我直接与此有关。
编辑:
$fp = fopen("file.csv","w");
$contents = file_get_contents('http://www.walmart.com/storeLocator/ca_storefinder_results.do?serviceName=&rx_title=com.wm.www.apps.storelocator.page.serviceLink.title.default&rx_dest=%2Findex.gsp&sfsearch_single_line_address=K6T');
preg_match_all('/stores\[(\d+)\] \= \{/s', $contents, $matches);
foreach ($matches[1] as $index) {
preg_match('/stores\[' . $index . '\] \= \{(.*?)\}\;/s', $contents, $matches);
preg_match_all('/\'([a-zA-Z0-9]+)\' \: ([^\,]*?)\,/s', $matches [1], $matches);
$c = count ($matches [1]);
$results = array();
for ($i=0; $i<$c; $i++) {
$results [$matches [1] [$i]] = trim($matches [2] [$i], "\'");
}
fwrite($fp,implode(";",array_values($results))."\r\n");
}
fclose($fp);
编辑2:
要only specific columns
在.csv文件中写入only specific columns
,您需要避免将它们添加到结果array() 或在之后取消设置,例如:
...
for ($i=0; $i<$c; $i++) {
$results [$matches [1] [$i]] = trim($matches [2] [$i], "\'");
}
unset( $results["weekEndSaturday"] );
unset( $results["recentlyOpen"] );
.. go on, renove the non-desired values ..
fwrite($fp,implode(";",array_values($results))."\r\n");
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