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Editing: gravatar.php

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<?php
/**
 * Gravatar shortcode for avatar and profile.
 *
 * Usage:
 *
 * [gravatar email="user@example.org" size="48"]
 * [gravatar_profile who="user@example.org"]
 */

add_shortcode( 'gravatar', 'jetpack_gravatar_shortcode' );
add_shortcode( 'gravatar_profile', 'jetpack_gravatar_profile_shortcode' );

/**
 * Get gravatar using the email provided at the specified size.
 *
 * @since 4.5.0
 *
 * @param array $atts Shortcode attributes.
 *
 * @return bool|string
 */
function jetpack_gravatar_shortcode( $atts ) {
	$atts = shortcode_atts( array(
		'email' => '',
		'size'  => 96,
	), $atts );

if ( empty( $atts['email'] ) || ! is_email( $atts['email'] ) ) {
		return false;
	}

$atts['size'] = intval( $atts['size'] );
	if ( 0 > $atts['size'] ) {
		$atts['size'] = 96;
	}

return get_avatar( $atts['email'], $atts['size'] );
}

/**
 * Display Gravatar profile
 *
 * @since 4.5.0
 *
 * @param array $atts Shortcode attributes.
 *
 * @uses shortcode_atts()
 * @uses get_user_by()
 * @uses is_email()
 * @uses sanitize_email()
 * @uses sanitize_user()
 * @uses set_url_scheme()
 * @uses wpcom_get_avatar_url()
 * @uses get_user_attribute()
 * @uses esc_url()
 * @uses esc_html()
 * @uses _e()
 *
 * @return string
 */
function jetpack_gravatar_profile_shortcode( $atts ) {
	// Give each use of the shortcode a unique ID
	static $instance = 0;

// Process passed attributes
	$atts = shortcode_atts( array(
		'who' => null,
	), $atts, 'jetpack_gravatar_profile' );

// Can specify username, user ID, or email address
	if ( is_numeric( $atts['who'] ) ) {
		$user = get_user_by( 'id', (int) $atts['who'] );
	} elseif ( is_email( $atts['who'] ) ) {
		$user = get_user_by( 'email', sanitize_email( $atts['who'] ) );
	} elseif ( is_string( $atts['who'] ) ) {
		$user = get_user_by( 'login', sanitize_user( $atts['who'] ) );
	} else {
		$user = false;
	}

// Bail if we don't have a user
	if ( false === $user ) {
		return false;
	}

// Render the shortcode
	$gravatar_url  = set_url_scheme( 'http://gravatar.com/' . $user->user_login );

if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
		$avatar_url    = wpcom_get_avatar_url( $user->ID, 96 );
		$avatar_url    = $avatar_url[0];
		$user_location = get_user_attribute( $user->ID, 'location' );
	} else {
		$avatar_url    = get_avatar_url( $user->user_email, array( 'size' => 96 ) );
		$user_location = get_user_meta( $user->ID, 'location', true );
	}

ob_start();

?>
	<script type="text/javascript">
		( function() {
			if ( null === document.getElementById( 'gravatar-profile-embed-styles' ) ) {
				var headID = document.getElementsByTagName( 'head' )[0];
				var styleNode = document.createElement( 'style' );
				styleNode.type = 'text/css';
				styleNode.id = 'gravatar-profile-embed-styles';

if ( document.all ) {
					styleNode.innerText = gCSS;
				} else {
					styleNode.textContent = gCSS;
				}

headID.appendChild( styleNode );
			}
		} )();
	</script>

<div class="grofile vcard" id="grofile-embed-<?php echo esc_attr( $instance ); ?>">
		<div class="grofile-inner">
			<div class="grofile-left">
				<div class="grofile-img">
					<a href="<?php echo esc_url( $gravatar_url ); ?>">
						<img src="<?php echo esc_url( $avatar_url ); ?>" width="96" height="96" class="no-grav gravatar photo" />
					</a>
				</div>
			</div>
			<div class="grofile-right">
				<p class="grofile-name fn">
					<strong><?php echo esc_html( $user->display_name ); ?></strong>
					<?php if ( ! empty( $user_location ) ) : ?><br><span class="grofile-location adr"><?php echo esc_html( $user_location ); ?></span><?php endif; ?>
				</p>
				<p class="grofile-bio"><strong><?php esc_html_e( 'Bio:', 'jetpack' ); ?></strong> <?php echo wp_kses_post( $user->description ); ?></p>
				<p class="grofile-view">
					<a href="<?php echo esc_url( $gravatar_url ); ?>"><?php esc_html_e( 'View complete profile', 'jetpack' ); ?></a>
				</p>
			</div>
			<span class="grofile-clear">&nbsp;</span>
		</div>
	</div><?php

// Increment and return the rendered profile
	$instance++;

return ob_get_clean();
}

Editing: gravatar.php

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