Podcast
Questions and Answers
Which operator is used for string concatenation in PHP?
Which operator is used for string concatenation in PHP?
- +
- *
- /
- . (correct)
What is the result of the operation '5 + "7"' in PHP?
What is the result of the operation '5 + "7"' in PHP?
- 13
- 57
- Not a valid operation
- 12 (correct)
Which function in PHP is used to obtain a variable's type as a string?
Which function in PHP is used to obtain a variable's type as a string?
- typecast
- gettype (correct)
- is_string
- is_int
In PHP, how are single-line comments denoted similar to Java?
In PHP, how are single-line comments denoted similar to Java?
What does the function 'strlen' do in PHP?
What does the function 'strlen' do in PHP?
What is the naming convention for variables in PHP?
What is the naming convention for variables in PHP?
Which function is used to find the position of the first occurrence of a substring within a string in PHP?
Which function is used to find the position of the first occurrence of a substring within a string in PHP?
Which variable type is not one of the basic types in PHP?
Which variable type is not one of the basic types in PHP?
What is the result of 'strcmp($name, 'Brian Le')' if $name = 'Stefanie Hatcher'?
What is the result of 'strcmp($name, 'Brian Le')' if $name = 'Stefanie Hatcher'?
Which PHP function is used to extract a part of a string based on starting position and length?
Which PHP function is used to extract a part of a string based on starting position and length?
In PHP, what is the purpose of the 'implode' function?
In PHP, what is the purpose of the 'implode' function?
What is the function of a web server when you type a URL in your browser?
What is the function of a web server when you type a URL in your browser?
In the context of web servers, what does PHP or ASP offer as an advantage?
In the context of web servers, what does PHP or ASP offer as an advantage?
What does server-side scripting allow web pages to do?
What does server-side scripting allow web pages to do?
Which term is used to describe programs written in languages like PHP, Java/JSP, or ASP.NET for web servers?
Which term is used to describe programs written in languages like PHP, Java/JSP, or ASP.NET for web servers?
Which role does a web server play in providing responses to web requests?
Which role does a web server play in providing responses to web requests?
What is the purpose of specifying programs in URLs like 'http://www.facebook.com/home.php'?
What is the purpose of specifying programs in URLs like 'http://www.facebook.com/home.php'?
What is the value of $nonzero after typecasting $student_count as a boolean?
What is the value of $nonzero after typecasting $student_count as a boolean?
In PHP, which of the following values is considered FALSE?
In PHP, which of the following values is considered FALSE?
What does FALSE print as in PHP?
What does FALSE print as in PHP?
Which PHP function is used to find the square root of a number?
Which PHP function is used to find the square root of a number?
What will be the value of $e after typecasting $d as an integer?
What will be the value of $e after typecasting $d as an integer?
In PHP, what type of value can result from the division between two integers?
In PHP, what type of value can result from the division between two integers?
What is the correct way to include a variable in a string to avoid ambiguity in PHP?
What is the correct way to include a variable in a string to avoid ambiguity in PHP?
In PHP, when is a variable considered to be NULL?
In PHP, when is a variable considered to be NULL?
How can you test if a variable is NULL in PHP?
How can you test if a variable is NULL in PHP?
Which of the following will print 'This line isn't going to be reached.' in PHP?
Which of the following will print 'This line isn't going to be reached.' in PHP?
What does the following PHP for loop do: for ($i = 0; $i < 10; $i++) { print '$i squared is '.$i * $i;?
What does the following PHP for loop do: for ($i = 0; $i < 10; $i++) { print '$i squared is '.$i * $i;?
