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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 |
|---|---|
| 2039 | |
| 2040 | $data = shortcode_parse_atts( $shortcode[3] ); |
| 2041 | $data['src'] = array_values( array_unique( $srcs ) ); |
| 2042 | $galleries[] = $data; |
| 2043 | } |
| 2044 | } |
| 2045 | } |
| 2046 | } |
| 2047 | |
| 2048 | return apply_filters( 'get_post_galleries', $galleries, $post ); |
| 2049 | } |
| 2050 | |
| 2051 | /** |
| 2052 | * Check a specified post's content for gallery and, if present, return the first |
| 2053 | * |
| 2054 | * @since 3.6.0 |
| 2055 | * |
| 2056 | * @param mixed $post Optional. Post ID or object. |
| 2057 | * @param boolean $html Whether to return HTML or data |