_print_emoji_detection_script() WP 4.6.0

Prints inline Emoji dection script

Return

Nothing (null).

Usage

_print_emoji_detection_script();

Code of print emoji detection script: wp-includes/formatting.php ^{WP 5.2.2}

<?php
function _print_emoji_detection_script() {
	$settings = array(
		/**
		 * Filters the URL where emoji png images are hosted.
		 *
		 * @since 4.2.0
		 *
		 * @param string The emoji base URL for png images.
		 */
		'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/12.0.0-1/72x72/' ),

		/**
		 * Filters the extension of the emoji png files.
		 *
		 * @since 4.2.0
		 *
		 * @param string The emoji extension for png files. Default .png.
		 */
		'ext'     => apply_filters( 'emoji_ext', '.png' ),

		/**
		 * Filters the URL where emoji SVG images are hosted.
		 *
		 * @since 4.6.0
		 *
		 * @param string The emoji base URL for svg images.
		 */
		'svgUrl'  => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/12.0.0-1/svg/' ),

		/**
		 * Filters the extension of the emoji SVG files.
		 *
		 * @since 4.6.0
		 *
		 * @param string The emoji extension for svg files. Default .svg.
		 */
		'svgExt'  => apply_filters( 'emoji_svg_ext', '.svg' ),
	);

	$version = 'ver=' . get_bloginfo( 'version' );

	if ( SCRIPT_DEBUG ) {
		$settings['source'] = array(
			/** This filter is documented in wp-includes/class.wp-scripts.php */
			'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ),
			/** This filter is documented in wp-includes/class.wp-scripts.php */
			'twemoji' => apply_filters( 'script_loader_src', includes_url( "js/twemoji.js?$version" ), 'twemoji' ),
		);

		?>
		<script type="text/javascript">
			window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
			<?php readfile( ABSPATH . WPINC . '/js/wp-emoji-loader.js' ); ?>
		</script>
		<?php
	} else {
		$settings['source'] = array(
			/** This filter is documented in wp-includes/class.wp-scripts.php */
			'concatemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji-release.min.js?$version" ), 'concatemoji' ),
		);

		/*
		 * If you're looking at a src version of this file, you'll see an "include"
		 * statement below. This is used by the `grunt build` process to directly
		 * include a minified version of wp-emoji-loader.js, instead of using the
		 * readfile() method from above.
		 *
		 * If you're looking at a build version of this file, you'll see a string of
		 * minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG
		 * and edit wp-emoji-loader.js directly.
		 */
		?>
		<script type="text/javascript">
			window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
			!function(a,b,c){function d(a,b){var c=String.fromCharCode;l.clearRect(0,0,k.width,k.height),l.fillText(c.apply(this,a),0,0);var d=k.toDataURL();l.clearRect(0,0,k.width,k.height),l.fillText(c.apply(this,b),0,0);var e=k.toDataURL();return d===e}function e(a){var b;if(!l||!l.fillText)return!1;switch(l.textBaseline="top",l.font="600 32px Arial",a){case"flag":return!(b=d([55356,56826,55356,56819],[55356,56826,8203,55356,56819]))&&(b=d([55356,57332,56128,56423,56128,56418,56128,56421,56128,56430,56128,56423,56128,56447],[55356,57332,8203,56128,56423,8203,56128,56418,8203,56128,56421,8203,56128,56430,8203,56128,56423,8203,56128,56447]),!b);case"emoji":return b=d([55357,56424,55356,57342,8205,55358,56605,8205,55357,56424,55356,57340],[55357,56424,55356,57342,8203,55358,56605,8203,55357,56424,55356,57340]),!b}return!1}function f(a){var c=b.createElement("script");c.src=a,c.defer=c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var g,h,i,j,k=b.createElement("canvas"),l=k.getContext&&k.getContext("2d");for(j=Array("flag","emoji"),c.supports={everything:!0,everythingExceptFlag:!0},i=0;i<j.length;i++)c.supports[j[i]]=e(j[i]),c.supports.everything=c.supports.everything&&c.supports[j[i]],"flag"!==j[i]&&(c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&&c.supports[j[i]]);c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&&!c.supports.flag,c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.everything||(h=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",h,!1),a.addEventListener("load",h,!1)):(a.attachEvent("onload",h),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),g=c.source||{},g.concatemoji?f(g.concatemoji):g.wpemoji&&g.twemoji&&(f(g.twemoji),f(g.wpemoji)))}(window,document,window._wpemojiSettings);
		</script>
		<?php
	}
}