apply_filters( 'jpeg_quality', int $quality , string $context )
Filters the JPEG compression quality for backward-compatibility.
Description
Applies only during initial editor instantiation, or when set_quality() is run manually without the $quality
argument.
The WP_Image_Editor::set_quality() method has priority over the filter.
The filter is evaluated under two contexts: ‘image_resize’, and ‘edit_image’, (when a JPEG image is saved to file).
Parameters
-
$quality
int -
Quality level between 0 (low) and 100 (high) of the JPEG.
-
$context
string -
Context of the filter.
Source
File: wp-includes/class-wp-image-editor.php
.
View all references
$quality = apply_filters( 'jpeg_quality', $quality, 'image_resize' );
Changelog
Version | Description |
---|---|
2.5.0 | Introduced. |
User Contributed Notes
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To change JPEG Compression, temporarily add the below code to functions.php then refresh the site to re-compress all thumbnails on the site.
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Feedback
“Refresh(ing) the site” is not going to recompress the images. For this you’ll need to regenerate all thumbnails and derived sizes using a plugin for this purpose. — By theMikeD —
Snippets should be included here, not hosted elsewhere.
Changing the JPEG compression quality:
https://generatewp.com/snippet/xNM817E/