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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 |
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891 | * The dynamic portion of the hook name, `$type`, refers to the type |
892 | * of media being sent. |
893 | * |
894 | * @since 3.3.0 |
895 | * |
896 | * @param string $html HTML markup sent to the editor. |
897 | * @param string $src Media source URL. |
898 | * @param string $title Media title. |
899 | */ |
900 | $html = apply_filters( "{$type}_send_to_editor_url", $html, esc_url_raw( $src ), $title ); |
901 | } else { |
902 | $align = ''; |
903 | $alt = esc_attr( wp_unslash( $_POST['alt'] ) ); |
904 |
|
905 | if ( isset( $_POST['align'] ) ) { |
906 | $align = esc_attr( wp_unslash( $_POST['align'] ) ); |
907 | $class = " class='align$align'"; |
908 | } |
909 |
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