Reading from and writing to files in PHP Mockest | PHP

1.

Which function is used to open a file in PHP?

A). fopen() B). readfile() C). file_get_contents() D). file_put_contents()

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2.

What is the purpose of the 'r' mode when opening a file in PHP?

A). Read data from a file B). Write data to a file C). Append data to a file D). Truncate a file

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3.

Which function is used to read a single line from a file in PHP?

A). fgets() B). fread() C). fget() D). readline()

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4.

How do you close a file after reading from it in PHP?

A). fclose() B). close() C). endfile() D). finish()

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5.

Which mode should be used to open a file for writing in PHP?

A). w B). r C). a D). wb

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6.

What does the 'a' mode do when opening a file in PHP?

A). Appends data to the end of the file B). Reads data from the file C). Truncates the file to zero length D). Creates a new file if it doesn't exist

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7.

Which function is used to write data to a file in PHP?

A). fwrite() B). fput() C). file_write() D). put_file()

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8.

What happens if you try to open a non-existent file in 'r' mode?

A). fopen() returns false B). A new file is created C). The script throws an error D). The file is opened in read mode

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9.

Which function is used to check if a file exists in PHP?

A). file_exists() B). is_file() C). file_check() D). check_file()

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10.

What is the purpose of the 'b' mode when opening a file in PHP?

A). Binary mode for reading and writing data B). Read mode for large files C). Backup mode for file operations D). Buffer mode for file handling

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Reading from and writing to files in PHP Mocktest

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