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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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61 | $lifetime = $this->lifetime; |
62 | /** |
63 | * Filters the transient lifetime of the feed cache. |
64 | * |
65 | * @since 2.8.0 |
66 | * |
67 | * @param int $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours). |
68 | * @param string $filename Unique identifier for the cache object. |
69 | */ |
70 | $this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename); |
71 | } |
72 |
|
73 | /** |
74 | * Sets the transient. |
75 | * |
76 | * @since 2.8.0 |
77 | * @access public |
78 | * |
79 | * @param SimplePie $data Data to save. |