PHP Quiz

Answer 10 questions and see how you score!

Enter Your Name

1. How do you declare an array with keys in PHP?

array("key"=> "value")

array("value")

{key:value}

["key":"value"]

2. What is the output of: echo 0 == "0";

True

False

Error

NULL

3. What is the output of: echo (int)("10 apples");

Error

NULL

4. Which function gets the current memory limit?

ini_get("memory_limit")

memory_limit()

get_memory_limit()

php_memory()

5. Which function returns true if value is callable?

is_callable()

callable()

function_exists()

method_exists()

6. Which function converts a string to an array by delimiter?

explode()

implode()

split()

str_array()

7. Which function filters external input?

filter_input()

input_filter()

sanitize()

validate()

8. Which of the following is used to get the current date?

date()

current_date()

time()

now()

9. Which function returns the timezone of the script?

date_default_timezone_get()

timezone()

get_timezone()

time_zone()

10. Which function is used to free memory allocated to variables?

unset()

free()

destroy()

release()