<select ng-options="k as v for (k, v) in words">
<option value="">Choose word</option>
</select>
php > echo "is_auth = " . false . ";\r\n";
is_auth = ;
php > echo "is_auth = " . json_encode(false) . ";\r\n";
is_auth = false;
A boolean TRUE value is converted to the string "1". Boolean FALSE is converted to "" (the empty string). This allows conversion back and forth between boolean and string values.
INSERT INTO sometable VALUES (1, 2);
SELECT * FROM othertable WHERE uid = LAST_INSERT_ID();
passthru('ffmpeg -i /home/dokuro/vedeos/60fps_FREELY_TOMORROW_-_Hatsune_Miku.mp4', $response);
SELECT
u.name,
COUNT(ug.user_id) AS groups
FROM
users u
LEFT JOIN
users_groups ug ON
u.id = ug.user_id
GROUP BY
u.name
ORDER BY
groups DESC
LIMIT 2;