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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 |
|---|---|
| 34 | * Filters Twenty Twenty's array of icons. |
| 35 | * |
| 36 | * The dynamic portion of the hook name, `$group`, refers to |
| 37 | * the name of the group of icons, either "ui" or "social". |
| 38 | * |
| 39 | * @since Twenty Twenty 1.5 |
| 40 | * |
| 41 | * @param array $arr Array of icons. |
| 42 | */ |
| 43 | $arr = apply_filters( "twentytwenty_svg_icons_{$group}", $arr ); |
| 44 | |
| 45 | /** |
| 46 | * Filters an SVG icon's color. |
| 47 | * |
| 48 | * @since Twenty Twenty 1.5 |
| 49 | * |
| 50 | * @param string $color The icon color. |
| 51 | * @param string $icon The icon name. |
| 52 | * @param string $group The icon group. |