Automated script to refresh your OpenSea Collection

opensea-refresh.php

<?php
error_reporting( E_ALL );
ini_set( 'display_errors', 1 );

$API_KEY = 'xxxxxxxxxxxxxxxx';
$COLLECTION = '0xacfa101ece167f1894150e090d9471aee2dd3041';

$ch = curl_init();
$fd = tmpfile();
for( $i = 0; $i < 7777; $i ){
	$url = "https://api.opensea.io/api/v1/asset/{$COLLECTION}/{$i}/?force_update=true";

	$options = array(
		//CURLOPT_RETURNTRANSFER => true,
		CURLOPT_FILE           => $fd,
		CURLOPT_HEADER         => true,
		CURLOPT_NOBODY         => true,
		CURLOPT_SSL_VERIFYPEER => false,
		CURLOPT_TIMEOUT        => 10,

		CURLOPT_HTTPGET        => true,
		CURLOPT_HTTPHEADER     => array(
			"X-API-KEY: {$API_KEY}"
		),
		CURLOPT_URL            => $url
	);

	curl_setopt_array($ch, $options);
	curl_setopt($ch, CURLOPT_HTTPGET, true);
	$res = curl_exec($ch);
	$errno = curl_errno($ch);
	$info = curl_getinfo($ch);
	
	fseek( $fd, 0 );
	$line1 = trim( fgets( $fd ) );
	ftruncate( $fd, 0 );
	if( $errno ){
		echo date( 'H:i:s' ) ." FAIL( {$i} ): {$errno}: ". curl_error( $ch ) . PHP_EOL;
		sleep( 1 ); //1 second backoff
	}
	else if( $info['http_code'] === 200 ){
		++$i;
		echo date( 'H:i:s' ) ." PASS( {$i} ): {$line1} / {$info['download_content_length']} bytes / {$info['total_time']} seconds" . PHP_EOL;
		usleep( 250000 ); //1/4 second, API key rate limit
	}
	else{
		echo date( 'H:i:s' ) ." FAIL( {$i} ): {$info['http_code']}" . PHP_EOL;
		sleep( 1 ); //1 second backoff
	}
}