Learn PHP MCQs
Prepare PHP MCQs (Multiple choice Questions) for exam and job interviews.
Which function is used to remove the last element from an array in PHP?
1) array_pop()
2) array_shift()
3) array_remove()
4) array_unshift()
Answer : Option 1
Which function is used to create an array by combining two arrays in PHP?
1) array_combine()
2) array_merge()
3) combine()
4) merge()
Answer : Option 1
Which function is used to check if a value exists in an array in PHP?
1) in_array()
2) array_key_exists()
3) value_exists()
4) exists_in_array()
Answer : Option 1
How do you reverse the order of elements in an array in PHP?
1) array_reverse()
2) reverse_array()
3) reverse()
4) array_reverse_order()
Answer : Option 1
Which function is used to encode a string into a URL-safe format in PHP?
1) urlencode()
2) urlsafe_encode()
3) encode_url()
4) url_safe()
Answer : Option 1
Which function is used to open a file for reading in PHP?
1) fopen()
2) open()
3) file_read()
4) read_file()
Answer : Option 1
Which function is used to return the number of elements in an array in PHP?
1) count()
2) sizeof()
3) length()
4) num_elements()
Answer : Option 1
How do you convert an array to a string in PHP?
1) implode()
2) array_to_string()
3) join()
4) convert_array()
Answer : Option 1
What is the purpose of the `json_encode()` function in PHP?
1) Encodes a JSON string
2) Decodes a JSON string
3) Converts PHP variables to JSON format
4) Parses a JSON string
Answer : Option 3
How do you check if a variable is of a specific type in PHP?
1) is_type()
2) check_type()
3) gettype()
4) is_a()
Answer : Option 4