<?php
$line_number = 0;
foreach (FileLineGenerator('sayings.txt') as $line) {
$line_number++;
if (mt_rand(0, $line_number - 1) == 0) {
$selected = $line;
}
}
print $selected . "\n";
<?php
function FileLineGenerator($file)
{
if (!($fh = fopen($file, 'r'))) {
return;
}
while (false !== ($line = fgets($fh))) {
(yield $line);
}
fclose($fh);
}
$file = FileLineGenerator('log.txt');
foreach ($file as $line) {
if (preg_match('/^rasmus: /', $line)) {
print $line;
}
}