Podcast
Questions and Answers
Which function in PHP is used to check if the 'end-of-file' has been reached?
Which function in PHP is used to check if the 'end-of-file' has been reached?
- feof() (correct)
- fwriteline()
- endoffile()
- fread()
In PHP, what value does the feof() function return when the end-of-file has been reached?
In PHP, what value does the feof() function return when the end-of-file has been reached?
- 0
- null
- true (correct)
- false
What is the purpose of the fwrite() function in PHP?
What is the purpose of the fwrite() function in PHP?
- To read a file
- To check if EOF is reached
- To close a file
- To write to a file (correct)
What is the return value of the feof() function in PHP when an error occurs?
What is the return value of the feof() function in PHP when an error occurs?
In the PHP code snippet provided, what happens if the file 'webdictionary.txt' cannot be opened?
In the PHP code snippet provided, what happens if the file 'webdictionary.txt' cannot be opened?
What does the fwrite() function in PHP return on error?
What does the fwrite() function in PHP return on error?
How does the feof() function aid in looping through a file in PHP?
How does the feof() function aid in looping through a file in PHP?
Study Notes
PHP File Handling
- The
feof()
function in PHP is used to check if the 'end-of-file' has been reached.
feof() Function
- The
feof()
function returnsTRUE
when the end-of-file has been reached. - The
feof()
function returnsFALSE
when an error occurs.
fwrite() Function
- The purpose of the
fwrite()
function in PHP is to write to a file. - The
fwrite()
function returns the number of bytes written on success andFALSE
on error.
File Handling Errors
- If the file 'webdictionary.txt' cannot be opened, the PHP code snippet will produce an error.
feof() in Looping
- The
feof()
function aids in looping through a file in PHP by checking for the end-of-file, ensuring the loop stops when the entire file has been read.
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Description
Learn how to check for the end-of-file (EOF) using the feof() function in PHP, along with the syntax and return values. Explore how to write to a file using the fwrite() function. Practice looping through a file and writing content with these file handling functions.