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PHP Quiz PHP CertificatePHP file() Function
Complete PHP Filesystem Reference
Definition and Usage
The file() reads a file into an array.
Each array element contains a line from the file, with newline still attached.
Syntax
file(path,include_path,context)
| Parameter | Description |
|---|---|
| path | Required. Specifies the file to read |
| include_path | Optional. Set this parameter to '1' if you want to search for the file in the include_path (in php.ini) as well |
| context | Optional. Specifies the context of the file handle. Context is a set of options that can modify the behavior of a stream. Can be skipped by using NULL. |
Tips and Notes
Tip: This function became binary-safe in PHP 4.3. (meaning that both binary data, like images, and character data can be written with this function).
Example
<?php
print_r(file("test.txt"));
?>
print_r(file("test.txt"));
?>
The output of the code above will be:
Array
(
[0] => Hello World. Testing testing!
[1] => Another day, another line.
[2] => If the array picks up this line,
[3] => then is it a pickup line?
)
(
[0] => Hello World. Testing testing!
[1] => Another day, another line.
[2] => If the array picks up this line,
[3] => then is it a pickup line?
)
Complete PHP Filesystem Reference
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