PHP Communication & Stakeholder Relations 4

Question 1

Which PHP class is used to create a SOAP client for communicating with SOAP-based web services?

Accepted Answer

SoapClient

Answer

SoapClient is PHP's built-in class for consuming SOAP web services, using a WSDL URL to discover available methods.

Question 2

In a PHP webhook receiver, what should you do immediately after verifying the webhook signature?

Accepted Answer

Return HTTP 200 quickly and queue the work asynchronously

Answer

Best practice is to return HTTP 200 immediately and process the payload asynchronously to prevent webhook timeouts.

Question 3

Which PHP function retrieves all HTTP request headers sent by the client?

Accepted Answer

getallheaders()

Answer

getallheaders() retrieves all HTTP request headers as an associative array and is available in both Apache and PHP-FPM environments.

Question 4

What PHP function can send an email with HTML content by specifying MIME headers in the additional_headers parameter?

Accepted Answer

mail()

Answer

PHP's built-in mail() function accepts additional headers like 'Content-Type: text/html' to send HTML-formatted emails.

Question 5

When building a REST API in PHP, which HTTP method is conventionally used to partially update an existing resource?

Accepted Answer

PATCH

Answer

PATCH is the HTTP method used for partial updates to an existing resource, while PUT replaces the entire resource.

PHP - PHP Programming Language Practice Test