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Function Reference/set site transient

Essentially the same as set_transient() but works network wide when using WP Multisite.

One difference is that the transient name should be 40 characters or less in length.

Related

Transients API: set_transient(), get_transient(), delete_transient(), set_site_transient(), get_site_transient(), delete_site_transient()

See also index of Function Reference and index of Template Tags.