Question:What are the technical difference between echo() and print() function?
The echo() function is a bit faster because it returns nothing, whereas print() will return 1 if the statement is successfully output.
Question:What is datatype?
A datatype is the generic name assigned to any data sharing a common set of characteristices. Common data types include Boolean, integer, float, string, and array.
Question:Define DNS.
The Domain Name System (DNS) allows to use domain names (e.g. yahoo.com) in place of the corresponding IP address, such as 192.0.32.166.
Question:What is domain name server?
The domain names and their complementary IP addresses are stroed on domain name servers, which are interspersed across the globe.
Question:What are the five configuration directives that pertinent to PHP mail() function?
1. SMTP=string, Scope:PHP_INI_ALL
2. sendmail_from=stirng, Scope:PHP_INI_ALL
3. sendmail_path=string, Scope:PHP_INI_SYSTEM
4. smtp_port=integer, Scope:PHP_INI_ALL
5. mail.force_extra_parameters=string, Scope:PHP_INI_SYSTEM