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Output random linefrom file - PHP Code Bank

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Output random linefrom file
Similar to the sayings under the HBH logo, this reads and displays random quotes from file.txt. This uses the much faster mt_rand function, explode can chew up memory for big lists. 
                <?PHP
/*
Uses mt_rand() for a faster alternative to rand().
*/
$file = file_get_contents('file.txt');
$lines = explode("\n",$file);
echo $lines[mt_rand(0,count($lines)-1)]."\n";
?>
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