$str = "9mm
AG Drive
AirDisk Pro - Wireless Flash Drive
Back to Bed
Bioshock
Five Nights at Freddy's
Five Nights at Freddy's 2
Five Nights at Freddy's 3 ";
$exploded = explode("\n", $str);
$insert = 'insert into table1 (content) ';
foreach ($exploded as $item)
$insert .= '(\'' . str_replace("'", '`', $item) . '\'),';
$insert = substr($insert, 0, strlen($insert) - 1) . ';';
echo $insert;