What are common issues users face when working with Gzip in PHP?

One common issue users face when working with Gzip in PHP is the "headers already sent" error, which occurs when trying to send Gzipped content after headers have already been sent. To solve this, you can use output buffering to capture the Gzipped content before sending it. 

ob_start();
// Gzip content
$compressed = gzencode($output, 9);
ob_end_clean();

// Send headers
header('Content-Encoding: gzip');
header('Content-Length: ' . strlen($compressed));

// Output Gzipped content
echo $compressed;

Keywords

Gzip PHP compression encoding headers

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