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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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2280 | } |
2281 |
|
2282 | /** |
2283 | * Filters the class attribute for the audio shortcode output container. |
2284 | * |
2285 | * @since 3.6.0 |
2286 | * |
2287 | * @param string $class CSS class or list of space-separated classes. |
2288 | */ |
2289 | $atts['class'] = apply_filters( 'wp_audio_shortcode_class', $atts['class'] ); |
2290 |
|
2291 | $html_atts = array( |
2292 | 'class' => $atts['class'], |
2293 | 'id' => sprintf( 'audio-%d-%d', $post_id, $instance ), |
2294 | 'loop' => wp_validate_boolean( $atts['loop'] ), |
2295 | 'autoplay' => wp_validate_boolean( $atts['autoplay'] ), |
2296 | 'preload' => $atts['preload'], |
2297 | 'style' => $atts['style'], |
2298 | ); |