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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 |
|---|---|
| 528 | |
| 529 | /** |
| 530 | * Filter the legacy (pre-3.5.0) media buttons. |
| 531 | * |
| 532 | * @since 2.5.0 |
| 533 | * @deprecated 3.5.0 Use 'media_buttons' action instead. |
| 534 | * |
| 535 | * @param string $string Media buttons context. Default empty. |
| 536 | */ |
| 537 | $legacy_filter = apply_filters( 'media_buttons_context', '' ); |
| 538 | |
| 539 | if ( $legacy_filter ) { |
| 540 | // #WP22559. Close <a> if a plugin started by closing <a> to open their own <a> tag. |
| 541 | if ( 0 === stripos( trim( $legacy_filter ), '</a>' ) ) |
| 542 | $legacy_filter .= '</a>'; |
| 543 | echo $legacy_filter; |
| 544 | } |
| 545 | } |
| 546 | add_action( 'media_buttons', 'media_buttons' ); |