read row and columns of text file in php - php

Question

I have a text file the contents of which are as follows:
120MB 130MB 140MB 140MB
10% 20% 30% 40%
I have a php code which reads the file and prints the column.
<?php
$lines = file('test_ssh.txt');
foreach ($lines as $line) {
$parts = explode(' ', $line);
echo $parts[2] ;
}
?>
by this code I can read columns from the first row as and when required(i.e, if I need to popultae 1st column from 1st row in html table, I can do so by $parts[0])
but I am not able to read second line column by column(i.e. if I just need to read 1st column from 2nd row), I am not able to do it, I just get blank value.
Do I need some 2-D array to read lines and column separately or there is another easier way ? Please help with your expertise.

Answer 1

Not sure why you would only want to print one item from the first line and all the occurances from the second. But if this was really what you were asking how to do here is one way.
<?php
$lines = file('test_ssh.txt');
foreach ($lines as $lineNo => $line) {
$parts = explode(' ', $line);
if ( $lineNo < 1 ) {
echo $parts[2] . PHP_EOL;
} else {
foreach( $parts as $col ) {
echo $col . ' ';
}
}
}
Result
140MB
10% 20% 30% 40%
After your comment below
Is this what you wanted
$lines = file('test_ssh.txt');
foreach ($lines as $line) {
if ( $line == PHP_EOL ) { continue; } // avoid blank lines causing issues
$columns = explode(' ', $line);
echo '<tr>' . PHP_EOL;
foreach( $columns as $col ) {
echo '<td>' . trim($col) . '</td>';
}
echo PHP_EOL . '</tr>' . PHP_EOL;
}
RESULT
<tr>
<td>120MB</td><td>130MB</td><td>140MB</td><td>140MB</td>
</tr>
<tr>
<td>10%</td><td>20%</td><td>30%</td><td>40%</td>
</tr>
<tr>
<td></td>
</tr>
ignore the PHP_EOL in the table output, they are there just to make the output look human readable.
Having reread the updated question, maybe this is what you want
function getColfromBothLines($col, $lines)
{
$lin1 = explode(' ', $lines[0]);
$lin2 = explode(' ', $lines[1]);
return $lin1[$col] . ' - ' . $lin2[$col];
}
$lines = file('test_ssh.txt');
echo getColfromBothLines(0, $lines).PHP_EOL;
echo getColfromBothLines(1, $lines).PHP_EOL;
echo getColfromBothLines(2, $lines).PHP_EOL;
RESULT
120MB - 10%
130MB - 20%
140MB - 30%

Answer 2

Try this! First foreach for lines and second for explodes.
<?php
$lines = file('test_ssh.txt');
foreach ($lines as $line) {
$parts = explode(' ', $line);
foreach ($parts as $part) {
echo $part;
}
}
Do not close php tag :)

Answer 3

Try this.
$array = explode("\n", file_get_contents('file.txt'));