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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 |
|---|---|
| 20 | * @param array $templates An optional list of template candidates |
| 21 | * @return string Full path to file. |
| 22 | */ |
| 23 | function get_query_template( $type, $templates = array() ) { |
| 24 | $type = preg_replace( '|[^a-z0-9-]+|', '', $type ); |
| 25 | |
| 26 | if ( empty( $templates ) ) |
| 27 | $templates = array("{$type}.php"); |
| 28 | |
| 29 | return apply_filters( "{$type}_template", locate_template( $templates ) ); |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Retrieve path of index template in current or parent template. |
| 34 | * |
| 35 | * @since 3.0.0 |
| 36 | * |
| 37 | * @return string |
| 38 | */ |