[英]How can I pull 2 paired elements from a csv file and add them to an array using PHP?
[英]How can I pull specific data from a CSV file via PHP?
因此,我目前已經創建了一個頁面,可以在其中上傳和查看CSV表單。 我在事物的上載方面和閱讀文檔等方面都可以很好地工作,但是如何從文檔中間選擇准確的信息提示呢? 例如,我想知道第二個活動名稱的總浮動金額。 我該怎么做? 這是我目前的代碼。
<?php
$file = file('Uploads/uploadfile.csv');
$i = 0;
foreach($file as $line){
if($i > 1) {
list($activityid,$activitystatus,$wbscode,$wbsname,$activityname,$keymilestones,$originalduration,$remainingduration,$plannedstart,$plannedfinish,$totalfloat,$variancebl1startdate,)=explode(",", $line);
echo "<h1>$activityname</h1>";
echo "<b>Activity ID: </b>$activityid<hr>";
echo "<b>WBS Code: </b>$wbscode<hr>";
echo "<b>WBS Name: </b>$wbsname<hr>";
echo "<b>Activity Status: </b>$activitystatus<hr>";
echo "<b>Key Milestones: </b>$keymilestones<hr>";
echo "<b>Original Duration: </b>$originalduration<hr>";
echo "<b>Remaining Duration: </b>$remainingsuration<hr>";
echo "<b>Planned Start: </b>$plannedstart<hr>";
echo "<b>Planned Finish: </b>$plannedfinish<hr>";
echo "<b>Total Float: </b>$totalfloat<hr>";
echo "<b>Variance B11 Start Date: </b>$variancebl1startdate<hr>";
}
$i++;
}
?>
謝謝。
'explode(“,”,$ line);' 返回一個數組。 您必須獲得一個數組,其中索引是csv中各列的名稱。 您可以重新瀏覽此數組,以提取或查詢帶有索引名稱的任何特定數據。
示例:我是一個為客戶提供的具有FirstName,LastName和Email的.csv文件。
/**
* Store csv data to array
*
*/
$file_path = "customers.csv";
$file_content = file( $file_path );
/**
* Store customers data with associative indexes
*
*/
$arr_data = array();
foreach ($file_content as $row) {
$arr_data[] = explode(',', trim($row));
}
$arr_customers = array();
$first_row = NULL;
foreach ($arr_data as $row) {
//store content for first array -> FirstName, LastName, Email
if (! $first_row) {
$first_row = $row;
} else {
$arr_customers[] = array_combine($first_row, $row);
}
}
/**
* Retrieve data
*
*/
//print email for all customers
foreach ($arr_customers as $customer) {
echo $customer['Email'] . '<br>';
}
//print name for second customer
echo $arr_customers[1]['LastName'] . ', ' . $arr_customers[1]['FirstName'] . '<br>';
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