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PHP

Keep Some Images Off Jetpack's Image CDN

Serves images from your own server instead of Jetpack's Site Accelerator CDN when their URL contains a pattern you choose, for example SVGs, signed URLs or a specific folder.

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Code

$wpide_patterns = array( '.svg', '/private-uploads/', 'X-Amz-Signature' ); // URL fragments to skip.

add_filter( 'jetpack_photon_skip_image', function ( $skip, $src ) use ( $wpide_patterns ) {
    foreach ( $wpide_patterns as $pattern ) {
        if ( false !== stripos( (string) $src, $pattern ) ) {
            return true;
        }
    }

    return $skip;
}, 10, 2 );

Notes

Patterns are matched against the image URL as plain text.

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