What is WordPress Hook: jpeg_quality
The jpeg_quality hook in WordPress is used to control the quality of JPEG images that are uploaded to the media library. It allows developers to adjust the compression level of JPEG images to optimize file size and image quality.
Understanding the Hook: jpeg_quality
The jpeg_quality hook is located within the wp-includes/media.php file in WordPress. It is called when a JPEG image is uploaded to the media library, allowing developers to modify the default quality setting for JPEG compression.
Hook Parameters (if applicable): jpeg_quality
The jpeg_quality hook accepts a single parameter, which is the default quality level for JPEG compression. This parameter is a numeric value ranging from 0 to 100, with 100 being the highest quality and 0 being the lowest.
Hook Doesn’t Work: jpeg_quality
If the jpeg_quality hook doesn’t seem to be working, it could be due to conflicts with other plugins or themes that also modify the JPEG compression settings. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): jpeg_quality
When using the jpeg_quality hook, it is important to consider the trade-off between image quality and file size. Lower quality settings can result in smaller file sizes but may compromise image clarity. It is best practice to test different quality levels to find the optimal balance for your website.
jpeg_quality Usage Example: jpeg_quality
“`php
function custom_jpeg_quality( $quality ) {
return 80; // Set the default JPEG quality to 80
}
add_filter( ‘jpeg_quality’, ‘custom_jpeg_quality’ );
“`
