Quickly find the Facebook Like count for any url using Graph api (v3)

php-get-facebook-likes-from-url.php

<?php
function checkFacebookReactions($url){
	// Generate a token https://elfsight.com/blog/2017/10/how-to-get-facebook-access-token/
	$access_token = "YOUR-FACEBOOK-TOKEN"; 
	
	$api_url = 'https://graph.facebook.com/v3.0/?id=' . urlencode( $url ) . '&fields=engagement&access_token=' . $access_token;
	$fb_connect = curl_init(); // initializing
	curl_setopt( $fb_connect, CURLOPT_URL, $api_url );
	curl_setopt( $fb_connect, CURLOPT_RETURNTRANSFER, 1 ); // return the result, do not print
	curl_setopt( $fb_connect, CURLOPT_TIMEOUT, 20 );
	$json_return = curl_exec( $fb_connect ); // connect and get json data
	curl_close( $fb_connect ); // close connection
	$body = json_decode( $json_return );

	// Print all engagement count if needed
	foreach($body->engagement as $k=>$v){
		echo $k .": " .$v ."<br>";
	}
	
	// Return only reactions (likes + other reactions)
	$count = $body->engagement->reaction_count; 
	return $count; 
}

$url = "REPLACE-WITH-YOUR-URL"; // The url you want to fetch details from
checkFacebookReactions($url);