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<?php
/**
* Display SVG in attachment modal
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
function bodhi_svgs_response_for_svg( $response, $attachment, $meta ) {
if ( $response['mime'] == 'image/svg+xml' && empty( $response['sizes'] ) ) {
$svg_path = get_attached_file( $attachment->ID );
if ( ! file_exists( $svg_path ) ) {
// If SVG is external, use the URL instead of the path
$svg_path = $response['url'];
}
$dimensions = bodhi_svgs_get_dimensions( $svg_path );
$response['sizes'] = array(
'full' => array(
'url' => $response['url'],
'width' => $dimensions->width,
'height' => $dimensions->height,
'orientation' => $dimensions->width > $dimensions->height ? 'landscape' : 'portrait'
)
);
}
return $response;
}
add_filter( 'wp_prepare_attachment_for_js', 'bodhi_svgs_response_for_svg', 10, 3 );
function bodhi_svgs_get_dimensions( $svg ) {
$svg = simplexml_load_file( $svg );
if ( $svg === FALSE ) {
$width = '0';
$height = '0';
} else {
$attributes = $svg->attributes();
$width = (string) $attributes->width;
$height = (string) $attributes->height;
}
return (object) array( 'width' => $width, 'height' => $height );
}
/**
* Generate attachment metadata (Thanks @surml)
*
* Fixes Illegal String Offset Warning for Height & Width
*/
function bodhi_svgs_generate_svg_attachment_metadata( $metadata, $attachment_id ) {
$mime = get_post_mime_type( $attachment_id );
if ( $mime == 'image/svg+xml' ) {
$svg_path = get_attached_file( $attachment_id );
$upload_dir = wp_upload_dir();
// get the path relative to /uploads/ - found no better way:
$relative_path = str_replace($upload_dir['basedir'], '', $svg_path);
$filename = basename( $svg_path );
$dimensions = bodhi_svgs_get_dimensions( $svg_path );
$metadata = array(
'width' => intval($dimensions->width),
'height' => intval($dimensions->height),
'file' => $relative_path
);
// Might come in handy to create the sizes array too - But it's not needed for this workaround! Always links to original svg-file => Hey, it's a vector graphic! ;)
$sizes = array();
foreach ( get_intermediate_image_sizes() as $s ) {
$sizes[$s] = array( 'width' => '', 'height' => '', 'crop' => false );
if ( isset( $_wp_additional_image_sizes[$s]['width'] ) )
$sizes[$s]['width'] = intval( $_wp_additional_image_sizes[$s]['width'] ); // For theme-added sizes
else
$sizes[$s]['width'] = get_option( "{$s}_size_w" ); // For default sizes set in options
if ( isset( $_wp_additional_image_sizes[$s]['height'] ) )
$sizes[$s]['height'] = intval( $_wp_additional_image_sizes[$s]['height'] ); // For theme-added sizes
else
$sizes[$s]['height'] = get_option( "{$s}_size_h" ); // For default sizes set in options
if ( isset( $_wp_additional_image_sizes[$s]['crop'] ) )
$sizes[$s]['crop'] = intval( $_wp_additional_image_sizes[$s]['crop'] ); // For theme-added sizes
else
$sizes[$s]['crop'] = get_option( "{$s}_crop" ); // For default sizes set in options
$sizes[$s]['file'] = $filename;
$sizes[$s]['mime-type'] = 'image/svg+xml';
}
$metadata['sizes'] = $sizes;
}
return $metadata;
}
add_filter( 'wp_generate_attachment_metadata', 'bodhi_svgs_generate_svg_attachment_metadata', 10, 3 );
// Fix image widget PHP warnings
function bodhi_svgs_get_attachment_metadata( $data ) {
$res = $data;
if ( !isset( $data['width'] ) || !isset( $data['height'] ) ) {
$res = false;
}
return $res;
}
// add_filter( 'wp_get_attachment_metadata' , 'bodhi_svgs_get_attachment_metadata' );
// Commented this out 20200307 because it was stripping metadata from other attachments as well. Need to make this target only SVG attachments.