The Full Stack Web Development - PHP Data Types & Dates

The video tutorial covers PHP data types such as strings, integers, floats, booleans, arrays, and nulls. It explains how to use the var_dump function to check data types. The tutorial also explores string functions like strlen, strrev, and str_replace, as well as math functions such as max, min, abs, and random number generation. Additionally, it discusses date functions and how to format dates in PHP, including setting time zones and converting strings to dates.

Which PHP data type is used to store a sequence of characters?

• Boolean

• String

• Integer

• Array

What function would you use to find the number of characters in a string in PHP?

• str_replace()

• strpos()

• strrev()

• strlen()

How can you reverse a string in PHP?

• strrev()

• str_replace()

• strpos()

• strlen()

Which function returns the maximum value from a set of numbers in PHP?

• min()

• rand()

• max()

• abs()

What does the abs() function do in PHP?

• Finds the maximum value

• Finds the minimum value

• Calculates the absolute value

• Rounds a number

Which function would you use to generate a random number in PHP?

• max()

• rand()

• min()

• abs()

How can you format a date to display as 'year/month/day' in PHP?

• Using the time() function

• Using the date() function with 'Y/m/d'

• Using the strtotime() function

• Using the mktime() function

What function allows you to set the time zone in PHP?

• set_date_timezone()

• timezone_set()

• set_time_zone()

• date_default_timezone_set()

Which function converts a string representation of a date and time into a Unix timestamp?

• time()

• mktime()

• date()

• strtotime()

What keyword can be used with strtotime() to get the date for the next day?

• tomorrow

• next week

• yesterday

• today