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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 |
---|---|
1349 |
|
1350 | if ( empty($width) ) |
1351 | $width = 500; |
1352 |
|
1353 | $height = get_option('embed_size_h'); |
1354 |
|
1355 | if ( empty($height) ) |
1356 | $height = 700; |
1357 |
|
1358 | return apply_filters( 'embed_defaults', array( |
1359 | 'width' => $width, |
1360 | 'height' => $height, |
1361 | ) ); |
1362 | } |
1363 |
|
1364 | /** |
1365 | * Based on a supplied width/height example, return the biggest possible dimensions based on the max width/height. |
1366 | * |
1367 | * @since 2.9.0 |