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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 |
|---|---|
| 156 | * | Revision3 | revision3.com | ! | 2.9.0 | 4.2.0 | |
| 157 | * | ------------ | -------------------- | ----- | --------- | --------- | |
| 158 | * |
| 159 | * @see wp_oembed_add_provider() |
| 160 | * |
| 161 | * @since 2.9.0 |
| 162 | * |
| 163 | * @param array $providers An array of popular oEmbed providers. |
| 164 | */ |
| 165 | $this->providers = apply_filters( 'oembed_providers', $providers ); |
| 166 | |
| 167 | // Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop(). |
| 168 | add_filter( 'oembed_dataparse', array($this, '_strip_newlines'), 10, 3 ); |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Make private/protected methods readable for backwards compatibility. |
| 173 | * |
| 174 | * @since 4.0.0 |