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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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1474 | * If the filtered output isn't empty, it will be used instead of generating the default audio template. |
1475 | * |
1476 | * @since 3.6.0 |
1477 | * |
1478 | * @param string $html Empty variable to be replaced with shortcode markup. |
1479 | * @param array $attr Attributes of the shortcode. @see wp_audio_shortcode() |
1480 | * @param string $content Shortcode content. |
1481 | * @param int $instances Unique numeric ID of this audio shortcode instance. |
1482 | */ |
1483 | $html = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instances ); |
1484 | if ( '' !== $html ) |
1485 | return $html; |
1486 |
|
1487 | $audio = null; |
1488 |
|
1489 | $default_types = wp_get_audio_extensions(); |
1490 | $defaults_atts = array( |
1491 | 'src' => '', |
1492 | 'loop' => '', |