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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 |
|---|---|
| 195 | $content = trim($content); |
| 196 | |
| 197 | /** |
| 198 | * Filters the content of the post submitted by email before saving. |
| 199 | * |
| 200 | * @since 1.2.0 |
| 201 | * |
| 202 | * @param string $content The email content. |
| 203 | */ |
| 204 | $post_content = apply_filters( 'phone_content', $content ); |
| 205 | |
| 206 | $post_title = xmlrpc_getposttitle($content); |
| 207 | |
| 208 | if ($post_title == '') $post_title = $subject; |
| 209 | |
| 210 | $post_category = array(get_option('default_email_category')); |
| 211 | |
| 212 | $post_data = compact('post_content','post_title','post_date','post_date_gmt','post_author','post_category', 'post_status'); |
| 213 | $post_data = wp_slash($post_data); |