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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 |
|---|---|
| 205 | * Filters Twenty Twenty-Ones's array of domain mappings for social icons. |
| 206 | * |
| 207 | * By default, each Icon ID is matched against a .com TLD. To override this behavior, |
| 208 | * specify all the domains it covers (including the .com TLD too, if applicable). |
| 209 | * |
| 210 | * @since Twenty Twenty-One 1.0 |
| 211 | * |
| 212 | * @param array $social_icons_map Array of default social icons. |
| 213 | */ |
| 214 | $map = apply_filters( 'twenty_twenty_one_social_icons_map', self::$social_icons_map ); |
| 215 | |
| 216 | /** |
| 217 | * Filters Twenty Twenty-One's array of social icons. |
| 218 | * |
| 219 | * @since Twenty Twenty-One 1.0 |
| 220 | * |
| 221 | * @param array $social_icons Array of default social icons. |
| 222 | */ |
| 223 | $social_icons = apply_filters( 'twenty_twenty_one_svg_icons_social', self::$social_icons ); |