function wp_audio_shortcode

Script berikut berguna untuk mencegah link mp3 pada tag code diparse menjadi mp3 player.
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function wp_audio_shortcode( $attr, $content = '' ) {
    $post_id = get_post() ? get_the_ID() : 0;
 
    static $instances = 0;
    $instances++;
 
    /**
     * Filter the default audio shortcode output.
     *
     * If the filtered output isn't empty, it will be used instead of generating the default audio template.
     *
     * @since 3.6.0
     *
     * @param string $html      Empty variable to be replaced with shortcode markup.
     * @param array  $attr      Attributes of the shortcode. @see wp_audio_shortcode()
     * @param string $content   Shortcode content.
     * @param int    $instances Unique numeric ID of this audio shortcode instance.
     */
    $html = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instances );
    if ( '' !== $html )
        return $html;
 
    $audio = null;
 
    $default_types = wp_get_audio_extensions();
    $defaults_atts = array(
        'src'      => '',
        'loop'     => '',
        'autoplay' => '',
        'preload'  => 'none'
    );
    foreach ( $default_types as $type )
        $defaults_atts[$type] = '';
 
    $atts = shortcode_atts( $defaults_atts, $attr, 'audio' );
    extract( $atts );
 
    $primary = false;
    if ( ! empty( $src ) ) {
        $type = wp_check_filetype( $src, wp_get_mime_types() );
        if ( ! in_array( strtolower( $type['ext'] ), $default_types ) )
            return sprintf( '<a class="wp-embedded-audio" href="%s">%s</a>', esc_url( $src ), esc_html( $src ) );
        $primary = true;
        array_unshift( $default_types, 'src' );
    } else {
        foreach ( $default_types as $ext ) {
            if ( ! empty( $$ext ) ) {
                $type = wp_check_filetype( $$ext, wp_get_mime_types() );
                if ( strtolower( $type['ext'] ) === $ext )
                    $primary = true;
            }
        }
    }
 
    if ( ! $primary ) {
        $audios = get_attached_media( 'audio', $post_id );
        if ( empty( $audios ) )
            return;
 
        $audio = reset( $audios );
        $src = wp_get_attachment_url( $audio->ID );
        if ( empty( $src ) )
            return;
 
        array_unshift( $default_types, 'src' );
    }
 
    /**
     * Filter the media library used for the audio shortcode.
     *
     * @since 3.6.0
     *
     * @param string $library Media library used for the audio shortcode.
     */
    $library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
    if ( 'mediaelement' === $library && did_action( 'init' ) ) {
        wp_enqueue_style( 'wp-mediaelement' );
        wp_enqueue_script( 'wp-mediaelement' );
    }
 
    /**
     * Filter the class attribute for the audio shortcode output container.
     *
     * @since 3.6.0
     *
     * @param string $class CSS class or list of space-separated classes.
     */
    $atts = array(
        'class'    => apply_filters( 'wp_audio_shortcode_class', 'wp-audio-shortcode' ),
        'id'       => sprintf( 'audio-%d-%d', $post_id, $instances ),
        'loop'     => $loop,
        'autoplay' => $autoplay,
        'preload'  => $preload,
        'style'    => 'width: 100%; visibility: hidden;',
    );
 
    // These ones should just be omitted altogether if they are blank
    foreach ( array( 'loop', 'autoplay', 'preload' ) as $a ) {
        if ( empty( $atts[$a] ) )
            unset( $atts[$a] );
    }
 
    $attr_strings = array();
    foreach ( $atts as $k => $v ) {
        $attr_strings[] = $k . '="' . esc_attr( $v ) . '"';
    }
 
    $html = '';
    if ( 'mediaelement' === $library && 1 === $instances )
        $html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
    $html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
 
    $fileurl = '';
    $source = '<source type="%s" src="%s" />';
    foreach ( $default_types as $fallback ) {
        if ( ! empty( $$fallback ) ) {
            if ( empty( $fileurl ) )
                $fileurl = $$fallback;
            $type = wp_check_filetype( $$fallback, wp_get_mime_types() );
            $url = add_query_arg( '_', $instances, $$fallback );
            $html .= sprintf( $source, $type['type'], esc_url( $url ) );
        }
    }
 
    if ( 'mediaelement' === $library )
        $html .= wp_mediaelement_fallback( $fileurl );
    $html .= '</audio>';
 
    /**
     * Filter the audio shortcode output.
     *
     * @since 3.6.0
     *
     * @param string $html    Audio shortcode HTML output.
     * @param array  $atts    Array of audio shortcode attributes.
     * @param string $audio   Audio file.
     * @param int    $post_id Post ID.
     * @param string $library Media library used for the audio shortcode.
     */
    $jangan = $attr['src'];
    if (preg_match("|<pre(.*)$jangan(.*)</pre>|siU",get_the_content())) {
    print_r($html);
    return $jangan;
    } else {
    return apply_filters( 'wp_audio_shortcode', $html, $atts, $audio, $post_id, $library );
    }
}
add_shortcode( 'audio', 'wp_audio_shortcode' );
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