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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 |
---|---|
2176 | /** |
2177 | * Filter the default array of embed dimensions. |
2178 | * |
2179 | * @since 2.9.0 |
2180 | * |
2181 | * @param int $width Width of the embed in pixels. |
2182 | * @param int $height Height of the embed in pixels. |
2183 | * @param string $url The URL that should be embedded. |
2184 | */ |
2185 | return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url ); |
2186 | } |
2187 |
|
2188 | /** |
2189 | * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height. |
2190 | * |
2191 | * @since 2.9.0 |
2192 | * |
2193 | * @see wp_constrain_dimensions() |
2194 | * |