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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 |
---|---|
945 | } |
946 |
|
947 | $library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' ); |
948 | if ( 'mediaelement' === $library && did_action( 'init' ) ) { |
949 | wp_enqueue_style( 'wp-mediaelement' ); |
950 | wp_enqueue_script( 'wp-mediaelement' ); |
951 | } |
952 |
|
953 | $atts = array( |
954 | 'class' => apply_filters( 'wp_audio_shortcode_class', 'wp-audio-shortcode' ), |
955 | 'id' => sprintf( 'audio-%d-%d', $post_id, $instances ), |
956 | 'loop' => $loop, |
957 | 'autoplay' => $autoplay, |
958 | 'preload' => $preload, |
959 | 'style' => 'width: 100%', |
960 | ); |
961 |
|
962 | // These ones should just be omitted altogether if they are blank |
963 | foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) { |