2 function stops reading the file once the
8 number of bytes has been read or the end of file (EOF) has been reached.
To check if the file pointer is at end of file, you can pass it to the
4 function returns
6 if the
6 is at the EOF or an error occurs. Otherwise, it returns
To read a file line by line, you use the
2 function, the
9 function accepts a file system pointer resource and up to a number of bytes to read. If you omit the
8 argument, the
2 function will read the entire line.
PHP read file examples
Let’s take some examples of how to read a file.
1) Read the entire file into a string
Suppose that you have a file named
4 located at
5 directory with the following contents:
The following example uses the
2 function to read the contents of the entire
4 file into a string and shows it on the webpage:
How it works.
First, open the
4 file using the
Second, read the contents of the entire file using the
2 function; use the
1 function to get the size of the file:
Third, show the contents of the file on a web page; use the
2 function to convert the newline characters to
Finally, close the file using the
Note that the
5 function is a shortcut for opening a file, reading the whole file’s contents into a string, and close it.
2) Read some characters from a file
To read some characters from a file, you specify the number of bytes to read. The following example uses the
2 function to read up to 100 bytes from the
How do I retrieve data from a text file?
You can import data from a text file into an existing worksheet..
Click the cell where you want to put the data from the text file..
On the Data tab, in the Get External Data group, click From Text..
In the Import Data dialog box, locate and double-click the text file that you want to import, and click Import..
How to get data from PHP file?
Retrieve or Fetch Data From Database in PHP.
SELECT column_name(s) FROM table_name..
$query = mysql_query("select * from tablename", $connection);.
$connection = mysql_connect("localhost", "root", "");.
$db = mysql_select_db("company", $connection);.
$query = mysql_query("select * from employee", $connection);.
How to display text file using PHP?
The file_get_contents function takes the name of the php file and reads the contents of the text file and displays it on the console. get the contents, and echo it out. <? php echo file_get_contents( "filename.
How to read a text file in PHP line by line?
We will use some file operations to read a large file line by line and display it..
Read a file: We will read the file by using fopen() function. This function is used to read and open a file. ... .
Traverse through the end of the file: We can traverse by using feof() function..