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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
---|---|
2205 | * |
2206 | * @param string $avatar HTML for the user's avatar. Default null. |
2207 | * @param int|object|string $id_or_email A user ID, email address, or comment object. |
2208 | * @param array $args Arguments passed to get_avatar_url(), after processing. |
2209 | */ |
2210 | $avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args ); |
2211 |
|
2212 | if ( ! is_null( $avatar ) ) { |
2213 | /** This filter is documented in wp-includes/pluggable.php */ |
2214 | return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); |
2215 | } |
2216 |
|
2217 | if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) { |
2218 | return false; |
2219 | } |
2220 |
|
2221 | $url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) ); |
2222 |
|
2223 | $args = get_avatar_data( $id_or_email, $args ); |
Line | Code |
2260 | * @since 4.2.0 The `$args` parameter was added. |
2261 | * |
2262 | * @param string $avatar <img> tag for the user's avatar. |
2263 | * @param int|object|string $id_or_email A user ID, email address, or comment object. |
2264 | * @param int $size Square avatar width and height in pixels to retrieve. |
2265 | * @param string $alt Alternative text to use in the avatar image tag. |
2266 | * Default empty. |
2267 | * @param array $args Arguments passed to get_avatar_data(), after processing. |
2268 | */ |
2269 | return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); |
2270 | } |
2271 | endif; |
2272 |
|
2273 | if ( !function_exists( 'wp_text_diff' ) ) : |
2274 | /** |
2275 | * Displays a human readable HTML representation of the difference between two strings. |
2276 | * |
2277 | * The Diff is available for getting the changes between versions. The output is |
2278 | * HTML, so the primary use is for displaying the changes. If the two strings |