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Why Does `file_get_contents()` Garble UTF-8 Characters, and How Can I Fix It?
- DDDOriginal
- 2024-12-09 14:34:13386browse
file_get_contents() Distorts UTF-8 Characters: A Resolution
When loading HTML from external sources with UTF-8 encoding, file_get_contents() may corrupt characters, resulting in incorrect representation of特殊字符. To address this issue:
Examine Encoding Settings:
Ensure that the remote server is serving the HTML in the correct UTF-8 encoding. Check the Content-Type header to confirm the encoding declared by the server.
Apply Encoding to Native PHP Functions:
In some cases, manually specifying the encoding in PHP functions can resolve the issue. Use the mb_detect_encoding() function to identify the encoding of the returned content and then use mb_convert_encoding() or iconv() to convert it to the desired encoding (e.g., UTF-8).
$html = mb_convert_encoding($html, 'UTF-8', mb_detect_encoding($html, 'UTF-8', true));
Consider HTML Entities:
If the characters are still being distorted, consider converting them to HTML entities. This can be done using htmlentities().
$html = htmlentities($html, ENT_QUOTES, 'UTF-8');
Example:
The following example demonstrates how to load HTML with UTF-8 characters and convert them to HTML entities:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Test</title>
</head>
<body>
<?php
$html = file_get_contents('http://example.com');
echo htmlentities($html);
?>
</body>
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