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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 |
|---|---|
| 173 | * |
| 174 | * @since 3.0.0 |
| 175 | * @since 5.5.0 The `$args` parameter was added. |
| 176 | * |
| 177 | * @param string $slug The slug name for the generic template. |
| 178 | * @param string|null $name The name of the specialized template or null if |
| 179 | * there is none. |
| 180 | * @param array $args Additional arguments passed to the template. |
| 181 | */ |
| 182 | do_action( "get_template_part_{$slug}", $slug, $name, $args ); |
| 183 | |
| 184 | $templates = array(); |
| 185 | $name = (string) $name; |
| 186 | if ( '' !== $name ) { |
| 187 | $templates[] = "{$slug}-{$name}.php"; |
| 188 | } |
| 189 | |
| 190 | $templates[] = "{$slug}.php"; |
| 191 | |