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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 |
|---|---|
| 111 | * |
| 112 | * @uses locate_template() |
| 113 | * @since 3.0.0 |
| 114 | * @uses do_action() Calls 'get_template_part_{$slug}' action. |
| 115 | * |
| 116 | * @param string $slug The slug name for the generic template. |
| 117 | * @param string $name The name of the specialised template. |
| 118 | */ |
| 119 | function get_template_part( $slug, $name = null ) { |
| 120 | do_action( "get_template_part_{$slug}", $slug, $name ); |
| 121 | |
| 122 | $templates = array(); |
| 123 | if ( isset($name) ) |
| 124 | $templates[] = "{$slug}-{$name}.php"; |
| 125 | |
| 126 | $templates[] = "{$slug}.php"; |
| 127 | |
| 128 | locate_template($templates, true, false); |
| 129 | } |