googlePlaces.php

<?php
class googlePlaces
{
	public $_outputType = 'json'; //either json, xml or array
	public $_errors = array();
		
	protected $_apiKey = '';
	protected $_apiUrl = 'https://maps.googleapis.com/maps/api/place';
	protected $_apiCallType = '';
	protected $_includeDetails = false;
	protected $_language = 'en';
	protected $_location; // Required - This must be provided as a google.maps.LatLng object.
	protected $_query; //Required if using textsearch
	protected $_radius; // Required
	protected $_types; // Optional - separate type with pipe symbol http://code.google.com/apis/maps/documentation/places/supported_types.html
	protected $_name; // Optional
	protected $_sensor = 'false'; // Required simply True or False, is the provided $_location coming from GPS?
	protected $_reference;
	protected $_accuracy;
	protected $_pageToken;
	protected $_curloptSslVerifypeer = true; // option CURLOPT_SSL_VERIFYPEER with true value working not always
	
	public function __construct($apiKey)
	{
		$this->_apiKey = $apiKey;	
	}

	public function search()
	{
		$this->_apiCallType = 'search';

		return $this->_apiCall();
	}
	
	public function textSearch() {
        	$this->_apiCallType = 'textsearch';

        	return $this->_apiCall();
    	}

	public function details()
	{
		$this->_apiCallType = 'details';
		
		return $this->_apiCall();
	}

	public function checkIn()
	{
		$this->_apiCallType = 'checkin-in';

		return $this->_apiCall();
	}

	public function add()
	{
		$this->_apiCallType = 'add';

		return $this->_apiCall();
	}

	public function delete()
	{
		$this->_apiCallType = 'delete';

		return $this->_apiCall();
	}

	public function repeat($pageToken)
	{
		$this->_apiCallType = 'repeat';
		$this->_pageToken = $pageToken;

		return $this->_apiCall();
	}

	public function setLocation($location)
	{
		$this->_location = $location;
	}
	
	public function setQuery($query) {
	        $this->_query = preg_replace('/\s/', '+', $query);
    	}

	public function setRadius($radius)
	{
		$this->_radius = $radius;
	}

	public function setTypes($types)
	{
		$this->_types = $types;
	}

	public function setLanguage($language)
	{
		$this->_language = $language;
	}

	public function setName($name)
	{
		$this->_name = $name;
	}

	public function setSensor($sensor)
	{
		$this->_sensor = $sensor;
	}

	public function setReference($reference)
	{
		$this->_reference = $reference;
	}

	public function setAccuracy($accuracy)
	{
		$this->_accuracy = $accuracy;
	}

	public function setIncludeDetails($includeDetails)
	{
		$this->_includeDetails = $includeDetails;
	}

	public function setCurloptSslVerifypeer($curloptSslVerifypeer)
	{
        	$this->_curloptSslVerifypeer = $curloptSslVerifypeer;
    	}

	protected function _checkErrors()
	{
		if(empty($this->_apiCallType)) {
			$this->_errors[] = 'API Call Type is required but is missing.';
		}

		if(empty($this->_apiKey)) {
			$this->_errors[] = 'API Key is is required but is missing.';
		}

		if(($this->_outputType!='json') && ($this->outputType!='xml') && ($this->outputType!='json')) {
			$this->_errors[] = 'OutputType is required but is missing.';
		}
	}

	protected function _apiCall()
	{
		$this->_checkErrors();

		if($this->_apiCallType=='add' || $this->_apiCallType=='delete') {
			$postUrl = $this->_apiUrl . '/' . $this->_apiCallType . '/' . $this->_outputType . '?key=' . $this->_apiKey . '&sensor=' . $this->_sensor;

			if($this->_apiCallType=='add') {
				$locationArray = explode(',', $this->_location);
				$lat = trim($locationArray[0]);
				$lng = trim($locationArray[1]);

				$postData = array();
				$postData['location']['lat'] = floatval($lat);
				$postData['location']['lng'] = floatval($lng);
				$postData['accuracy'] = $this->_accuracy;
				$postData['name'] = $this->_name;
				$postData['types'] = explode('|', $this->_types);
				$postData['language'] = $this->_language;
			}

			if($this->_apiCallType=='delete') {
				$postData['reference'] = $this->_reference;
			}

			$result = json_decode($this->_curlCall($postUrl,json_encode($postData)));
			$result->errors = $this->_errors;
			return $result;

		}

		switch ($this->_apiCallType) {
			case('search'):
				$URLparams = 'location=' . $this->_location . '&radius='.$this->_radius . '&types=' . urlencode($this->_types) . '&language=' . $this->_language . '&name=' . $this->_name . '&sensor=' . $this->_sensor;
			break;
			
			 case ('textsearch'):
                		$URLparams = 'query=' . $this->_query . '&location=' . $this->_location . '&radius=' . $this->_radius . '&types=' . urlencode($this->_types) . '&language=' . $this->_language . '&sensor=' . $this->_sensor;
                	break;
	
			case('details'):
				$URLparams = 'reference=' . $this->_reference . '&language=' . $this->_language . '&sensor=' . $this->_sensor;
			break;
	
			case('check-in'):
				$URLparams = 'reference=' . $this->_reference . '&language=' . $this->_language . '&sensor=' . $this->_sensor;
			break;

			case('repeat'):
				$URLparams = 'radius='.$this->_radius . '&sensor=' . $this->_sensor . '&pagetoken=' . $this->_pageToken;
				$this->_apiCallType = 'search';
			break;
		}
		
		$URLToCall = $this->_apiUrl . '/' . $this->_apiCallType . '/' . $this->_outputType . '?key='.$this->_apiKey . '&' . $URLparams;
	
		$result = json_decode($this->_curlCall($URLToCall), true);
		$result['errors'] = $this->_errors;
	
		if(isset($result['status'])&&$result['status']=='OK' && $this->_apiCallType=='details') {
			foreach($result['result']['address_components'] as $key=>$component) {
	
				if($component['types'][0]=='street_number') {
					$address_street_number = $component['short_name'];
				}
	
				if($component['types'][0]=='route') {
					$address_street_name = $component['short_name'];
				}
	
				if($component['types'][0]=='locality') {
					$address_city = $component['short_name'];
				}
	
				if($component['types'][0]=='administrative_area_level_1') {
					$address_state = $component['short_name'];
				}
	
				if($component['types'][0]=='postal_code') {
					$address_postal_code = $component['short_name'];
				}
			}

			$result['result']['address_fixed']['street_number'] = $address_street_number;
			$result['result']['address_fixed']['address_street_name'] = $address_street_name;
			$result['result']['address_fixed']['address_city'] = $address_city;
			$result['result']['address_fixed']['address_state'] = $address_state;
			$result['result']['address_fixed']['address_postal_code'] = $address_postal_code;
		}
		
		return $result;
	}

	protected function _curlCall($url,$topost = array())
	{
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HEADER, FALSE);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $this->_curloptSslVerifypeer);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
		if (!empty($topost)) {
			curl_setopt($ch, CURLOPT_POSTFIELDS, $topost);
		}
		$body = curl_exec($ch);
		curl_close($ch);

		return $body;
	}
}