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![JSON & PHP
JSON
JSON stands for JavaScript Object Notation.
JSON is a standard lightweight data-
interchange format which is quick and easy to
parse and generate.
JSON, like XML, is a text-based format that's
easy to write and easy to understand for both
humans and computers
JSON is based on two basic structures:
Object: This is defined as a collection of
key/value pairs (i.e. key:value). Each object
begins with a left curly bracket { and ends with
a right curly bracket }. Multiple key/value pairs
are separated by a comma ,.
Array: This is defined as an ordered list of
values. An array begins with a left bracket [
and ends with a right bracket ]. Values are
separated by a comma ,.](https://image.slidesharecdn.com/day01-api-190220223003/85/Day01-api-10-320.jpg)
Uploaded byABDEL RAHMAN KARIM
Day01 api
This document outlines a course on PHP web services. It covers connecting to remote web services using CURL and Guzzle, creating REST and SOAP APIs, and consuming web services. The introduction defines web services and common types like SOAP and REST. Part 1 discusses JSON and encoding/decoding data. Part 2 focuses on connecting to external APIs using CURL and handling errors.
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Day01 api
- 1. PHP WEB SERVICES By: Abdel Rahman Karim
- 2. COURSE MAIN CONTENTS 1- Introduction What’s a webservice? PHP and JSON 2- Connect to Remote WEB SERVICES CURL Composer GUZZLE Open weather TEXT LOCAL SMS Gateway Using multiple APIs concurrently Calling an API Async 3- 3- Create REST API HTTP in details REST APIs Guidelines Create a simple REST API Documenting REST API by APIDOC 4- Create SOAP API PHP & XML SOAP WSDL SOAP & REST Comparison Cosnuming SOAP Creating SOAP Generating WSDL by php2wsdl
- 3.
- 4. WHAT IS THEDIFFERENCE ?? Classic request response Web Services
- 5. Web services definition a Web service is a software application with a standardized way of providing interoperability between applications. It does so over HTTP using technologies such as SOAP, REST Webservices = Data Transfer method using certain protocol (such as http) and data formats (such as JSON Or XML) API and web services are used as alternative to each other . Most Famous type : SOAP REST
- 6. BUZZWORDS End Point Theendpoint is the URL where your service can be accessed by a client application. The same web service can have multiple endpoints. SDK an SDK is implementation tooling. It's like a kit that allows** you to build something custom to hook up to the telephone system or electrical wiring.
- 7. TYPES OF WEBSERVICES
- 8. BONUS QUESTIONS Whyweb services sent JSON or XML but not HTML ? Can you think of 3 web services ? Would you use GET or POST to communicate with an API ? Imagine what you need to know from a 3rd party API to communicate with it ?
- 9. WEBSERVICES Open weatherfor weather Textlocal for SMS sending HyperPay for payment And so many more
- 10. JSON & PHP JSON JSON stands for JavaScript Object Notation. JSON is a standard lightweight data- interchange format which is quick and easy to parse and generate. JSON, like XML, is a text-based format that's easy to write and easy to understand for both humans and computers JSON is based on two basic structures: Object: This is defined as a collection of key/value pairs (i.e. key:value). Each object begins with a left curly bracket { and ends with a right curly bracket }. Multiple key/value pairs are separated by a comma ,. Array: This is defined as an ordered list of values. An array begins with a left bracket [ and ends with a right bracket ]. Values are separated by a comma ,.
- 11. JSON STRUCTURE JSON ObjectJSON Array
- 12. HOW CAN YOUDESCRIBE THIS FILE ?
- 13. ENCODING Convert array toJSON (Encoding)
- 14.
- 15.
- 16.
- 17. WILL NEED ITTO READ FROM JSON FILE?
- 18. IF THE SCRIPTSHOULD OUTPUT JSON NOT HTML
- 19. WHAT IS THESTRONG POINT OF JSON OVER XML ?
- 20. PART 2 :CONNECTING TO REMOTE WEBSERVICES
- 21. USING AN APIGUIDELINES Each webservice will have a certain URL you call to retrieve and post data Before using any 3rd party webservice, you subscribe and they send you an API hash key on email to use it in all your requests so they know the request comes from you . Each API will have a documentation and example
- 22. USING AN EXTERNALAPI 1- CURL 2- GUZZLE (third party)
- 23. HTTP COMMAND LINE CURLIS A COMMAND LINE TOOL FOR CREATING ANY WEB REQUEST IMAGINABLE GET Curl http://www.google.com Curl –v http://www.google.com -v shows every thing including headers curl –V is different than curl -v POST Curl –X POST {{url}} Curl –v –X POST {{URL}} Curl –v –x POST {{URL}} -d
- 24.
- 25. CURL WITH PHP THINKAS PHP, WHAT FUNCTION DO YOU NEED ?
- 26. CURL SEQUENCE Sequence 1. Openconnection, return handler 2. Use handler to add options 3. Execute request, get result 4. Close connection
- 27. GET POST ALLOPTIONS START WITH : CURLOPT_ CURL_OPT_RETURNTRANSFER : Returns the result not output it Notice the option sometimes you need to give the user who will use some functions to return or echo output, Think of example ..
- 28. EXAMPLE OPEN WEATHER API Beforesubmit After Submit
- 29. EXAMPLE OPENWEATHER APITO GET THE WEATHER FOR ANY CITY Steps to use the API Create an account in https://openweathermap.org Click API tab and subscribe in the current weather API Get the API key by email Wait till your API key is activated Read the API documentation Get the city list JSON file , if not find it here : http://cutescripts.net/api/city.list.json
- 30. API KEY INSTEADOF SENDING THE ACTUAL USER CREDENTIALS IN REQUEST
- 31. TEST WITH POSTMANFIRST
- 32. OPEN WEATHER API( NOT OOP ) Code to call the API
- 33. NOW SAME EXAMPLEIN OOP
- 34. SENDING SMS MESSAGEVIA HTTPS://WWW.TEXTLOCAL.COM
- 35.
- 36. PHP CONFIGURATION WILLBE NEEDED Php.ini Ini_get Ini_set Phpinfo() Extension_loaded()
- 37. ERROR REPORTING //Report all errors except E_NOTICE error_reporting(E_ALL & ~E_NOTICE); // Report all errors error_reporting(E_ALL); // Turn off error reporting error_reporting(0); If(__DEBUG_MODE_ === 1) error_reporting(E_ALL); else error_reporting(E_ERROR | E_PARSE );
- 38. EXCEPTION HANDLING Exceptionhandling is the process of responding to exceptions by gathering info about it, prevent the system from crashing and customize how the error will be logged and how the message would be communicated to the user
- 39. SPECIAL TYPE OFEXCEPTION
- 40.
- 41. REVISION QUIZ 1)is a webservice type A. RESTful B. WSDL C. Endpoint D. SDK 2) You can force JSON Object to be always decoded to PHP array A. True B. False
- 42. REVISION QUIZ 3)--------------- Returns a handle A. curl_setopt B. curl_exec C. curl_init D. Curl_open 4) curl_exec() A. Returns result B. Returns or output results C. Output results D. None of the above
- 43. 5) An APIkey or hash key usually is A. Differ Per User and it’s used for authentication B. Same for any user as long as they use the same API C. Differ by the type of web services soap & Rest 6) When dealing with a complicated API it’s logic to search for an available ______ for it 1. End point 2. Post man 3. SDK 4. Web service
- 44. 7) What isthe missing line of code 7)
- 45. 8) When readinga JSON file, it’s better to use file_get_content() function because : A. It returns the file content as string B. It returns all the file content no matter how large C. It can read a remote file content, if it’s url is passed D. It returns the file content as array, each element is a line E. A & B F. A & B & C G. All the above
- 46. 9) To changeany configuration of php for a single script A. Update php.ini file B. Ini_set C. Ini_get D. All the above 10) To know if an extension is loaded a. Phpinfo b. Extension_loaded() c. Ini_set d. Update php.ini e. A & b f. All the above