[英]Reformat text file in PHP
我有一個文本文件text.txt
,其日期安排了。
name1
2010-01-02 (i)
2010-05-07 (i)
2010-06-12 (i)
name2
2010-01-02 (i)
2010-05-07 (i)
2010-06-12 (i)
name3
2011-01-05 (i)
2011-05-05 (i)
2011-06-14 (i)
我想將文件寫成兩列,例如:
+---------------+-----+
| 2010-01-02 (i)|name1|
| 2010-05-07 (i)|name1|
| 2010-06-12 (i)|name1|
| 2010-01-02 (i)|name2|
| 2010-05-07 (i)|name2|
| 2010-06-12 (i)|name2|
| 2011-01-05 (i)|name3|
| 2011-05-05 (i)|name3|
| 2011-06-14 (i)|name3|
+---------------+-----+
此代碼未按預期創建文件。
<?php
$path = "text.txt";
$file = file($path);
foreach($file as $value)
{
$name = "";
// if ( is found
if ( strpos($value, "(" ) !== false)
{
$date = $value;
$line = $date . "|" . $name;
$val = explode("|",$line);
//write only
$fp = fopen('data.csv', 'w');
fputcsv($fp, $val);
fclose($fp);
}
else
{
$name = $value;
//echo $name . "<br />";
}
}
?>
$path = "text.txt";
$file = file($path);
$fp = fopen('data.csv', 'w+');
$title = array_shift($file);
foreach($file as $value) {
if (!strpos($value, "(" )){
$title = $value;
}
else {
$data = array_map('trim', array($value, $title));
fputcsv($fp , $data, '|');
}
}
fclose($fp);
在這里,您可以嘗試以下操作:
<?php
$path = "text.txt";
$file = file($path);
$outputFile = 'data.csv';
$datein = '1998-09-21';
if(preg_match('/^\d{4}-\d{2}-\d{2}\s\(i\)$/', $datein)){
echo 'go';
}else{
echo 'no go';
}
$fp = fopen($outputFile,'w');
$name = "";
foreach($file as $value)
{
// match a date-line
if(preg_match('/^\d{4}-\d{2}-\d{2}\s\(i\)$/', $value)) {
$line = trim(preg_replace('/\s+/', ' ', $value)) . "|" . $name;
fwrite($fp,$line);
} else {
$name = $value;
}
}
fclose($fp);
?>
注意我移動了$name = '';
在循環之外,並將其更改為使用正則表達式。 trim(preg_replace...
函數trim(preg_replace...
來刪除在讀取行並將其存儲到數組時自動出現的換行符。
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