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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.
Line | Code |
---|---|
1088 | /** |
1089 | * Filters the custom logo output. |
1090 | * |
1091 | * @since 4.5.0 |
1092 | * @since 4.6.0 Added the `$blog_id` parameter. |
1093 | * |
1094 | * @param string $html Custom logo HTML output. |
1095 | * @param int $blog_id ID of the blog to get the custom logo for. |
1096 | */ |
1097 | return apply_filters( 'get_custom_logo', $html, $blog_id ); |
1098 | } |
1099 |
|
1100 | /** |
1101 | * Displays a custom logo, linked to home when on another page. |
1102 | * |
1103 | * @since 4.5.0 |
1104 | * |
1105 | * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. |
1106 | */ |