FFmpeg usage with PHP (create screenshots and video screenshots)

screenshots.php

<?php

// Create a screenshot
exec("ffmpeg -ss $secondId -i $videoUrl -ss 0 -frames:v 1 $directory/$secondId.jpg");

// Create a six-second video screenshot
exec("ffmpeg -y -i $videoUrl -ss " . ($secondId - 3) . " -t 6 -crf 18 -threads 1 $directory/$secondId.mp4");