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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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57 | $lifetime = $this->lifetime; |
58 | /** |
59 | * Filters the transient lifetime of the feed cache. |
60 | * |
61 | * @since 2.8.0 |
62 | * |
63 | * @param int $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours). |
64 | * @param string $filename Unique identifier for the cache object. |
65 | */ |
66 | $this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename ); |
67 | } |
68 |
|
69 | /** |
70 | * Sets the transient. |
71 | * |
72 | * @since 2.8.0 |
73 | * |
74 | * @param SimplePie $data Data to save. |
75 | * @return true Always true. |