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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 |
---|---|
2746 | function wp_mediaelement_fallback( $url ) { |
2747 | /** |
2748 | * Filters the Mediaelement fallback output for no-JS. |
2749 | * |
2750 | * @since 3.6.0 |
2751 | * |
2752 | * @param string $output Fallback output for no-JS. |
2753 | * @param string $url Media file URL. |
2754 | */ |
2755 | return apply_filters( 'wp_mediaelement_fallback', sprintf( '<a href="%1$s">%1$s</a>', esc_url( $url ) ), $url ); |
2756 | } |
2757 |
|
2758 | /** |
2759 | * Returns a filtered list of supported audio formats. |
2760 | * |
2761 | * @since 3.6.0 |
2762 | * |
2763 | * @return string[] Supported audio formats. |
2764 | */ |