
Unit 4 PHP
Authored by sai chellam
Computers
University
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What function is used to open a file in PHP?
file_open
fopen
readfile
file_get_contents
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you read a file line by line in PHP?
Use file() to read the file into an array of lines.
Use file_get_contents() to read the entire file at once.
Read the file using readfile() and echo the content.
Use fopen() to open the file, then fgets() in a loop to read each line.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of the 'fgets' function?
To read a line of text from a file or input stream.
To write a line of text to a file.
To read a single character from a file.
To delete a line of text from a file.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can you check if a file exists before reading it?
Use 'os.path.exists(file_path)' to check if a file exists.
Attempt to read the file and catch an error if it doesn't exist.
Check the file size to determine if it exists.
Use 'file.exists(file_path)' to check if a file exists.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What function would you use to write data to a file?
write()
append()
export()
save()
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Explain the difference between 'fopen' and 'file_get_contents'.
'fopen' reads the entire file into a string, while 'file_get_contents' opens files with a file handle.
'fopen' is for opening files with a file handle, while 'file_get_contents' reads the entire file into a string.
'fopen' can only open text files, while 'file_get_contents' can open any file type.
'fopen' is used for writing to files, while 'file_get_contents' is for reading binary data.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What mode would you use with 'fopen' to append data to a file?
a
r
rb
w
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