Remove multiset per Quandls deprecation

Author: DannyBen

Quandl.php

@@ -14,7 +14,6 @@ class Quandl {
 
 	private static $url_templates = [
 		"symbol"  => 'https://www.quandl.com/api/v1/datasets/%s.%s?%s',
-		"symbols" => 'https://www.quandl.com/api/v1/multisets.%s?columns=%s&%s',
 		"search"  => 'https://www.quandl.com/api/v1/datasets.%s?%s',
 		"list"    => 'http://www.quandl.com/api/v2/datasets.%s?%s',
 	];
@@ -33,18 +32,6 @@ public function getSymbol($symbol, $params=null) {
 		return $this->getData($url);
 	}
 
-	// getSymbols returns data for an array of symbols.
-	// Symbols may be in slash or dot notation and may include
-	// column specifier.
-	public function getSymbols($symbols, $params=null) {
-		$url = $this->getUrl("symbols", 
-			$this->getFormat(), 
-			self::convertSymbolsToMulti($symbols), 
-			$this->arrangeParams($params));
-
-		return $this->getData($url);
-	}
-
 	// getSearch returns results for a search query.
 	// CSV output is not supported with this node so if format
 	// is set to CSV, the result will fall back to object mode.
@@ -162,16 +149,6 @@ private function arrangeParams($params) {
 	private static function convertToQuandlDate($time_str) {
 		return date("Y-m-d", strtotime($time_str));
 	}
-
-	// convertSymbolsToMulti converts an array of symbols to
-	// the format needed for a multiset request. 
-	private static function convertSymbolsToMulti($symbols_array) {
-		$result = [];
-		foreach($symbols_array as $symbol) {
-			$result[] = str_replace("/", ".", $symbol);
-		}
-		return implode(",", $result);
-	}
 }
 
 ?>

README.md

@@ -50,11 +50,10 @@ any date string that PHP's `strtotime()` understands.
 		"trim_end"   => "today",
 	]);
 
-Multiple symbols, supported symbols and search methods are also 
-available:
+You can also search the entire Quandl database and get a list of
+supported symbols in a data source:
 
 	$quandl = new Quandl($api_key);
-	$data = $quandl->getSymbols(["WIKI/AAPL", "WIKI/CSCO"]);
 	$data = $quandl->getSearch("crude oil");
 	$data = $quandl->getList("WIKI", 1, 10);
 
@@ -106,20 +105,6 @@ You do not need to pass `auth_token` in the array, it will be
 automatically appended.
 
 
-### getSymbols
-
-`mixed getSymbols( array $symbols [, array $params ] )`
-
-Same as `getSymbol()` only instead of a single symbol, it receives
-an array of multiple symbols. Each symbol in the array may be 
-listed using the slash notation (`WIKI/AAPL`) or dot notation 
-(`WIKI.AAPL`).
-
-In addition, you may append the column selector to each symbol in 
-order to get only selected columns. For example, `WIKI/AAPL.4` will 
-return only the close prices (column 4) of AAPL.
-
-
 ### getSearch
 
 `mixed getSearch( string $query [, int $page, int $per_page] )`

examples.php

@@ -8,7 +8,7 @@
 	$symbol  = "GOOG/NASDAQ_AAPL";
 
 	// Uncomment and modify this call to check different samples
-	// $data = example9($api_key, $symbol);
+	// $data = example3($api_key, $symbol);
 	// print_r($data);
 
 	// Example 1: Hello Quandl
@@ -53,34 +53,20 @@ function example5($api_key, $symbol) {
 		]);
 	}
 
-	// Example 6: Multiple Symbols
+	// Example 6: Search
 	function example6($api_key, $symbol) {
-		$quandl = new Quandl($api_key, "csv");
-		return $quandl->getSymbols(["GOOG/NASDAQ_AAPL", "GOOG/NASDAQ_CSCO"]);
-	}
-
-	// Example 7: Multiple Symbols with Column Selector and Options
-	function example7($api_key, $symbol) {
-		$quandl = new Quandl($api_key, "csv");
-		$symbols = ["GOOG/NASDAQ_AAPL.4", "GOOG/NASDAQ_CSCO.4"];
-		$options = ["rows" => 10];
-		return $quandl->getSymbols($symbols, $options);
-	}
-
-	// Example 8: Search
-	function example8($api_key, $symbol) {
 		$quandl = new Quandl($api_key);
 		return $quandl->getSearch("crude oil");
 	}
 
-	// Example 9: Symbol Lists
-	function example9($api_key, $symbol) {
+	// Example 7: Symbol Lists
+	function example7($api_key, $symbol) {
 		$quandl = new Quandl($api_key, "csv");
 		return $quandl->getList("WIKI", 1, 10);
 	}
 
-	// Example 10: Error Handling
-	function example10($api_key, $symbol) {
+	// Example 8: Error Handling
+	function example8($api_key, $symbol) {
 		$quandl = new Quandl($api_key, "csv");
 		$result = $quandl->getSymbol("DEBUG/INVALID");
 		if($quandl->error and !$result)

tests/QuandlTest.php

@@ -37,14 +37,6 @@ public function testInvalidUrl() {
 			"TEST invalidUrl response");
 	}
 
-	public function testGetSymbols() {
-		$quandl = new Quandl($this->api_key, "json");
-		$r = $quandl->getSymbols($this->symbols, $this->dates);
-		$sig = md5($r);
-		$this->assertEquals("56fdde06b1cc699286b2e3bdaaf40761", $sig,
-			"TEST getSymbols checksum");
-	}
-
 	public function testGetList() {
 		$quandl = new Quandl($this->api_key);
 		$r = $quandl->getList("WIKI", 1, 10);