Александр Гамов

$arr = '[{
    "currentPos": 2,
    "isSelected": false,
    "text": 4
  },
  {
    "currentPos": 1,
    "isSelected": true,
    "text": 3
  },
  {
    "currentPos": 3,
    "isSelected": true,
    "text": 1
  }
]';
$arr = json_decode($arr);

$result = true;
foreach ($arr as $val) {
	if (!$val["isSelected"]) {
		$result = false;
		break;
	}
}

FFMpeg::open('my_movie.mov')

    // export to FTP, converted in WMV
    ->export()
    ->toDisk('ftp')
    ->inFormat(new \FFMpeg\Format\Video\WMV)
    ->save('my_movie.wmv')

    // export to Amazon S3, converted in X264
    ->export()
    ->toDisk('s3')
    ->inFormat(new \FFMpeg\Format\Video\X264)
    ->save('my_movie.mkv');

    // you could even discard the 'toDisk()' method,
    // now the converted file will be saved to
    // the same disk as the source!
    ->export()
    ->inFormat(new FFMpeg\Format\Video\WebM)
    ->save('my_movie.webm')

div:not([class*="container"]) span{
some style
}