Php 如何将数组写入csv文件?
我生成一个包含多个变量的数组,并希望将其完全写入csv文件中。标头工作正常,但仅从数组/\n/“()写入csv 如果在echo之前使用Php 如何将数组写入csv文件?,php,curl,Php,Curl,我生成一个包含多个变量的数组,并希望将其完全写入csv文件中。标头工作正常,但仅从数组/\n/“()写入csv 如果在echo之前使用内爆,则会得到一条空行。 怎么了?这是我目前使用的代码: <?php function scrape_between($data, $start, $end){ $data = stristr($data, $start); $data = substr($data, strlen($start));
内爆
,则会得到一条空行。
怎么了?这是我目前使用的代码:
<?php
function scrape_between($data, $start, $end){
$data = stristr($data, $start);
$data = substr($data, strlen($start));
$stop = stripos($data, $end);
$data = substr($data, 0, $stop);
return $data;
}
function curl($url) {
$options = Array(
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_FOLLOWLOCATION => TRUE,
CURLOPT_AUTOREFERER => TRUE,
CURLOPT_CONNECTTIMEOUT => 120,
CURLOPT_TIMEOUT => 120,
CURLOPT_MAXREDIRS => 10,
CURLOPT_USERAGENT => "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1a2pre) Gecko/2008073000 Shredder/3.0a2pre ThunderBrowse/3.2.1.8", // Setting the useragent
CURLOPT_URL => $url,
);
$ch = curl_init();
curl_setopt_array($ch, $options);
$data = curl_exec($ch);
curl_close($ch);
return $data;
};
$header = 'date1,date2,contractcode,exchange,region,commoditycode,openint,noncomlong,noncomshort,noncomspread,comlong,comshort,';
echo($header);
$scraped_page = curl("https://www.cftc.gov/dea/newcot/deafut.txt");
$scraped_wheat = scrape_between($scraped_page, "WHEAT-SRW - CHICAGO BOARD OF TRADE", "CONTRACTS");
$scraped_wheat = preg_replace('/",/', '', $scraped_wheat);
$pieces = explode('WHEAT', $scraped_wheat);
$items = explode(",",$pieces[0]);
$tmp = 0;
foreach ($items as $value)if ($tmp++ < 12) {
$value = preg_replace('/\s/', '', $value);
echo ($value.",");
};
$file = 'cot-zw.csv';
file_put_contents($file, $header.'/\n/'.$value.",");
?>
file\u put\u contents()
是一种非常粗糙的csv写入方式
我建议使用fputcsv()
。下面是一个非常简单的示例:
<?php
$csv_items = [
['row1-col1','row1-col2','row1-col3'],
['row2-col1','row2-col2','row2-col3'],
['row3-col1','row3-col2','row3-col3']
];
if( $fh = fopen('file.csv','w') ){
foreach( $csv_items as $csv_item ){
fputcsv($fh, $csv_item);
}
fclose( $fh );
}
这回答了你的问题吗?为什么这个答案被否决了?使用fputcsv()
而不是文件内容()
是最明显的解决方案。很抱歉,这些解决方案没有起到任何作用。(反正我都试过了…)据我所知,echo($value.,”);
回显整个foreach循环。如何将整个循环放入csv?
<?php
$csv_items = [
['row1-col1','row1-col2','row1-col3'],
['row2-col1','row2-col2','row2-col3'],
['row3-col1','row3-col2','row3-col3']
];
if( $fh = fopen('file.csv','w') ){
foreach( $csv_items as $csv_item ){
fputcsv($fh, $csv_item);
}
fclose( $fh );
}