PHP file_get_contents() function
Definition and Usage
The file_get_contents() function reads the entire file into a string.
and file() Similarly, the difference is that file_get_contents() reads the file into a string.
The file_get_contents() function is the preferred method for reading the contents of a file into a string. If the operating system supports it, memory-mapped technology will also be used to enhance performance.
Syntax
file_get_contents(path,include_path,context,start,max_length)
| Parameters | Description |
|---|---|
| path | Required. Specifies the file to be read. |
| include_path | Optional. If you also want to search for files in the include_path, you can set this parameter to "1". |
| context |
Optional. Specifies the environment of the file handle. context is a set of options that can modify the behavior of the stream. If null is used, it is ignored. |
| start | Optional. Specifies the position in the file to start reading from. This parameter was added in PHP 5.1. |
| max_length | Optional. Specifies the number of bytes to read. This parameter was added in PHP 5.1. |
Description
for context Parameter support was added in PHP 5.0.0.
Tips and Comments
Comment:This function can be safely used for binary objects.
Example
<?php
echo file_get_contents("test.txt");
?>
Output:
This is a test file with test text.
