• RETS-Version - Valid and supported RETS version
• User-Agent - Name of your program

$rets->AddHeader("Accept", "*/*");

$rets->AddHeader("RETS-Version", "RETS/1.5");

$rets->AddHeader("User-Agent", "PHRETS/1.0");

$rets->Connect("http://demo.crt.realtors.org:6103/rets/login",
		"Joe",
		"Schmoe"
		);

$rets->Connect("http://demo.crt.realtors.org:6103/rets/login",
		"Joe",
		"Schmoe",
		"ua-password"
		);

• Property
• Agent
• Office

• Photo
• Plat
• Video
• Audio
• Thumbnail
• Map
• VRImage

$photos = $rets->GetObject("Property", "Photo", "LN000001");
foreach ($photos as $photo) {
	if ($photo['Success'] == true) {
		file_put_contents("image-{$photo['Content-ID']}-{$photo['Object-ID']}.jpg", $photo['Data']);
	}
	else {
		echo "Error ({$photo['Content-ID']}-{$photo['Object-ID']}): {$photo['ReplyCode']} = {$photo['ReplyText']}\n";
	}
}

$photos = $rets->GetObject("Property", "Photo", "LN000001", '*', 1);
foreach ($photos as $photo) {
	if ($photo['Success'] == true) {
		echo "Image {$photo['Object-ID']} for {$photo['Content-ID']} is at {$photo['Location']}\n";
	}
	else {
		echo "Error ({$photo['Content-ID']}-{$photo['Object-ID']}): {$photo['ReplyCode']} = {$photo['ReplyText']}\n";
	}
}

$photos = $rets->GetObject("Property", "Photo", "LN000001", 2, 1);
foreach ($photos as $photo) {
	if ($photo['Success'] == true) {
		echo "Image {$photo['Object-ID']} for {$photo['Content-ID']} is at {$photo['Location']}\n";
	}
	else {
		echo "Error ({$photo['Content-ID']}-{$photo['Object-ID']}): {$photo['ReplyCode']} = {$photo['ReplyText']}\n";
	}
}

• Property
• Agent
• Office

$search = $rets->Search("Property","ResidentialProperty","(LD=1990-01-01+)");
foreach ($search as $listing) {
	echo "Address: {$listing['STNUM']} {$listing['STNAME']}, ";
	echo "{$listing['CITY']}, ";
	echo "{$listing['STATE']} {$listing['ZIPCODE']} listed for ";
	echo "\$".number_format($listing['LP'])."\n";
}

Address: 83 Fox Hill, Buffalo Grove, IL 60089 listed for $380,000
Address: 1250 Armitage Ave, Chicago, IL 60613 listed for $250,000
Address: 430 Michigan Ave, Chicago, IL 60605 listed for $300,000
Address: 625 Michigan, Chicago, IL 60605 listed for $250,000
Address: 120 Main St, Evanston, IL 60533 listed for $425,000

$search = $rets->Search("Property","ResidentialProperty","(ListDate=1990-01-01+)", array( 'Count' => 1, 'Format' => 'COMPACT', 'Limit' => 2, 'Offset' => '2', 'Select' => 'StreetNumber,StreetName,ListPrice,City,StateOrProvince,PostalCode', 'RestrictedIndicator' => '****', 'StandardNames' => 1  ));
foreach ($search as $listing) {
	echo "Address: {$listing['StreetNumber']} {$listing['StreetName']}, ";
	echo "{$listing['City']}, ";
	echo "{$listing['StateOrProvince']} {$listing['PostalCode']} listed for ";
	echo "\$".number_format($listing['ListPrice'])."\n";
}

Address: 1250 Armitage Ave, Chicago, IL 60613 listed for $250,000
Address: 430 Michigan Ave, Chicago, IL 60605 listed for $300,000

• cookie_file - Path to file to use for temporary session information storage
• debug_mode - Sets cURL output to verbose if True. Default is False.
• compression_enabled - Enables GZIP compression if True. Default is False.
• force_ua_authentication - Forces UA authentication when True. Default is False.
• disable_follow_location - In case of PHP safe_mode errors, set to True. Default is False.

$rets->SetParam("cookie_file", "phrets_cookies.txt");

$rets->SetParam("debug_mode", true);

$rets->SetParam("compression_enabled", true);

$rets->SetParam("force_ua_authentication", true);

$rets->SetParam("disable_follow_location", true);

if ($rets->IsMaxrowsReached()) {
	// server has more records than just returned.
	// if server supports Offset, you can move to the next "page" of results.
	// for example, if previous search only returned 100 with no Offset,
	// do Search again but with Offset=101 to get the next 100 records.
	// if IsMaxrowsReached is true again, 
	// do Search again but with Offset=201 to get next 100, etc. until
	// IsMaxrowsReached() is false.
	// include check to catch infinite loop if server doesn't support Offset
	// since IsMaxrowsReached will always be true and you're redownloading
	// the same records over and over and over
}
else {
	// last query returned everything so continue on
}

if ($rets->TotalRecordsFound() > 1000) {
	// server reports more than 1000
}

if ($rets->NumRows() > 1000) {
	echo "More than 1,000 rows returned in last response.\n";
}

$rets->Disconnect();