Get oEmbed data using WordPress oEmbed API, specifically for Video iframe

get-video-oembed-wordpress.php

<?php
// Example 1) Using a function. Returns an array.
function radgh_get_video_data( $url, $width = null, $height = null ) {
	if ( function_exists('_wp_oembed_get_object') ) {
		require_once( ABSPATH . WPINC . '/class-oembed.php' );
	}
	
	$args = array();
	if ( $width ) $args['width'] = $width;
	if ( $height ) $args['height'] = $height;
	
	// If height is not given, but the width is, use 1080p aspect ratio. And vice versa.
	if ( $width && !$height ) $args['height'] = $width * (1080/1920);
	if ( !$width && $height ) $args['width'] = $height * (1920/1080);
	
	$oembed = _wp_oembed_get_object();
	$provider = $oembed->get_provider( $url, $args );
	$data = $oembed->fetch( $provider, $url, $args );
	
	if ( $data ) {
		$data = (array) $data;
		if ( !isset($data['url']) ) $data['url'] = $url;
		if ( !isset($data['provider']) ) $data['provider'] = $provider;

		// Convert url to hostname, eg: "youtube" instead of "https://youtube.com/"
		$data['provider-name'] = pathinfo( str_replace( array('www.'), '', parse_url( $url, PHP_URL_HOST )), PATHINFO_FILENAME );

		return $data;
	}
	
	return false;
}

$oembed_data = radgh_get_video_data( 'https://www.youtube.com/watch?v=ouDiKXYeqeY', 612, 344 );

var_dump($oembed_data);

// Display the video embed code on the page.
if ( $oembed_data ) {
	echo $oembed_data['html'];
}


// Example 2) No added functions. Returns an object.
$url = 'https://www.youtube.com/watch?v=ouDiKXYeqeY';
$args = array( 'width' => 612, 'height' => 344 );

require_once( ABSPATH . WPINC . '/class-oembed.php' );
$oembed = _wp_oembed_get_object();
$oembed_provider = $oembed->get_provider( $url, $args );
$oembed_data = $oembed->fetch( $oembed_provider, $url, $args );

var_dump($oembed_data);

// Display the video embed code on the page.
if ( $oembed_data ) {
	echo $oembed_data->html;
}

/*
=== OUTPUT ===

Array OR Object {
  // These are added by the function in Example #1
  ["url"]=>
  string(26) "https://www.youtube.com/watch?v=ouDiKXYeqeY"
  ["provider"]=>
  string(32) "http://www.youtube.com/oembed?scheme=https"
  ["provider-name"]=>
  string(5) "youtube"
  
  // These are available in both examples.
  ["html"]=>
  string(137) "<iframe>...</iframe>"
  ["thumbnail_width"]=>
  int(480)
  ["title"]=>
  string(47) "DFVIDTUTS2015 [part 01] What is Dwarf Fortress?"
  ["type"]=>
  string(5) "video"
  ["thumbnail_url"]=>
  string(48) "https://i.ytimg.com/vi/ouDiKXYeqeY/hqdefault.jpg"
  ["thumbnail_height"]=>
  int(360)
  ["height"]=>
  int(344)
  ["provider_name"]=>
  string(7) "YouTube"
  ["author_name"]=>
  string(9) "captnduck"
  ["provider_url"]=>
  string(24) "https://www.youtube.com/"
  ["width"]=>
  int(612)
  ["version"]=>
  string(3) "1.0"
  ["author_url"]=>
  string(38) "https://www.youtube.com/user/captnduck"
}
*/