Add SVG support on WordPress

Add SVG support on WordPress .php

/**
 * Add svg support
 *
 */
add_filter( 'wp_check_filetype_and_ext', function( $data, $file, $filename, $mimes) {
global $wp_version;
if( $wp_version == '4.7' || ( (float) $wp_version < 4.7 ) ) {
	return $data;
}
$filetype = wp_check_filetype( $filename, $mimes );

return [
		'ext'             => $filetype['ext'],
		'type'            => $filetype['type'],
		'proper_filename' => $data['proper_filename']
];

}, 10, 4 );

function ns_mime_types( $mimes ){
	$mimes['svg'] = 'image/svg+xml';
	return $mimes;
}
add_filter( 'upload_mimes', 'ns_mime_types' );


function ns_fix_svg() {
  echo '<style type="text/css">.attachment-266x266, .thumbnail img { width: 100% !important; height: auto !important;} </style>';
}
add_action( 'admin_head', 'ns_fix_svg' );