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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 |
|---|---|
| 212 | * | Photobucket | photobucket.com | No | 2.9.0 | 5.1.0 | |
| 213 | * | Funny or Die | funnyordie.com | Yes | 3.0.0 | 5.1.0 | |
| 214 | * |
| 215 | * @see wp_oembed_add_provider() |
| 216 | * |
| 217 | * @since 2.9.0 |
| 218 | * |
| 219 | * @param array[] $providers An array of arrays containing data about popular oEmbed providers. |
| 220 | */ |
| 221 | $this->providers = apply_filters( 'oembed_providers', $providers ); |
| 222 | |
| 223 | // Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop(). |
| 224 | add_filter( 'oembed_dataparse', array( $this, '_strip_newlines' ), 10, 3 ); |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Exposes private/protected methods for backward compatibility. |
| 229 | * |
| 230 | * @since 4.0.0 |