[英]PHP get unique params
I have this text file: 我有这个文本文件:
1 - word
1 - trata
2 - love
2 - green
2 - omg
3 - hello
How to parse this file so that I get the following? 如何解析此文件,以便获得以下信息?
1 - word, 1 - trata
2 - love, 2 - green, 2 - omg
3 - hello
Ie the same numbers on the same line. 即同一行上的相同数字。
<?php
$file = file('1.txt');
foreach ($file as $dd)
{
list ($numb, $word) = explode(' - ', $dd); // That's all (
//echo $numb . '<br/>';
}
?>
Something like this (untested): 像这样(未经测试):
$file = file('1.txt');
$parse = array();
foreach ($file as $dd)
{
list ($numb, $word) = explode(' - ', $dd);
$parse[ $numb ][] = $dd;
}
foreach( $parse as $line ) {
echo implode( ', ', $line ).'<br />';
}
sort($file);
foreach ($file as $dd)
{
list ($numb, $word) = explode(' - ', $dd); // That's all (
if ($previous != $numb && $previous != null)
{
echo "<br>";
}
echo $numb ."-".$word ;
$previous=$numb;
}
$lines = file('test.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$map = array(); // Keys will be your "prefix numbers", values will be the lines from the file.
foreach($lines as $line)
{
if(!preg_match('/^(\d+)/', $line, $match))
continue;
$map[$match[1]][] = $line;
}
// Now echo the result.
foreach($map as $n => $lines)
{
echo implode(', ', $lines), '<br />';
}
// That's all.
<?php
$file = file('1.txt');
$output = array( );
foreach( $file as $line ) {
list( $key, $value ) = explode( " - ", $line );
$output[ $key ][ ] = trim( $value );
}
foreach( $output as $key => $values ) {
foreach( $values as $value ) {
echo $key . " - " . $value . ", ";
}
echo "\n";
}
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