Gets the Raspberry Pi Zero stock from Adafruit and returns json data to use at endpoints like this: {"stock":"0"}

get_pi_zero_stock.php

<?php 
        $ch = curl_init(); 
        curl_setopt($ch, CURLOPT_URL, "https://www.adafruit.com/products/2885"); //https://www.adafruit.com/products/2817
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
        $return = curl_exec($ch); 
        curl_close($ch);      

        $find = '<meta name="twitter:data2" content="';
        $find2 = '">';
        $outOfStock = "OUT OF STOCK";
        $inStock = "64 IN STOCK";
        $inStock2 = "IN STOCK";

        $data = substr($return, strlen($find)+strpos($return, $find, strlen($find)),strlen($outOfStock));
        
        if ($data != $outOfStock) {
        	//string substr ( string $string , int $start [, int $length ] )
        	//mixed strpos ( string $haystack , mixed $needle [, int $offset = 0 ] )
        	$data = substr($return, strlen($find)+strpos($return, $find),strpos($return, $inStock2,(strlen($find)+strpos($return, $find)))-strpos($return, $find)-strlen($find));
        	// substr($return, start at the end of $find, go to the beginning of $inStock2)
        }
        else $data = "0";

        // echo $data . "\n";

        $json_string = '{"stock":"' . $data . '"}' . "\n";

        echo $json_string;
?>

That is pretty funny; since you didn't get the email!