Datei zeilenweise auslesen in PHP

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<?php
	$file = fopen("namensliste.txt","r");
	while($row = fgets($file, 4096))
	{
		echo $row."<br/>";
	}	
?>

<?php $file = fopen("namensliste.txt","r"); while($row = fgets($file, 4096)) { echo $row."<br/>"; } ?>

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<?php
	$file = fopen("namensliste.txt","r");
	while($row = fgets($file, 4096))
	{
		$rows[] = $row;
	}	
 
	$randomRow = mt_rand(0, count($rows)-1);
	echo $rows[$randomRow];
?>

<?php $file = fopen("namensliste.txt","r"); while($row = fgets($file, 4096)) { $rows[] = $row; } $randomRow = mt_rand(0, count($rows)-1); echo $rows[$randomRow]; ?>