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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 |
|---|---|
| 117 | /** |
| 118 | * Filter the HTML returned by the oEmbed provider. |
| 119 | * |
| 120 | * @since 2.9.0 |
| 121 | * |
| 122 | * @param string $data The returned oEmbed HTML. |
| 123 | * @param string $url URL of the content to be embedded. |
| 124 | * @param array $args Optional arguments, usually passed from a shortcode. |
| 125 | */ |
| 126 | return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args ); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Attempts to find oEmbed provider discovery <link> tags at the given URL. |
| 131 | * |
| 132 | * @param string $url The URL that should be inspected for discovery <link> tags. |
| 133 | * @return bool|string False on failure, otherwise the oEmbed provider URL. |
| 134 | */ |
| 135 | function discover( $url ) { |