File: wp-includes/functions.php
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functionwp_unique_filename()
Gets a filename that is sanitized and unique for the given directory.
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functionwp_nonce_url()
Retrieves URL with nonce added to URL query.
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functionwp_nonce_field()
Retrieves or display nonce hidden field for forms.
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functionwp_referer_field()
Retrieves or displays referer hidden field for forms.
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functionwp_original_referer_field()
Retrieves or displays original referer hidden field for forms.
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functionwp_get_referer()
Retrieves referer from ‘_wp_http_referer’ or HTTP referer.
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functionget_num_queries()
Retrieves the number of database queries during the WordPress execution.
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functionbool_from_yn()
Determines whether input is yes or no.
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functiondo_feed()
Loads the feed template from the use of an action hook.
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functiondo_feed_rdf()
Loads the RDF RSS 0.91 Feed template.
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functionadd_query_arg()
Retrieves a modified URL query string.
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functiondo_feed_rss()
Loads the RSS 1.0 Feed Template.
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functionremove_query_arg()
Removes an item or items from a query string.
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functiondo_feed_rss2()
Loads either the RSS2 comment feed or the RSS2 posts feed.
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functionadd_magic_quotes()
Walks the array while sanitizing the contents.
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functiondo_feed_atom()
Loads either Atom comment feed or Atom posts feed.
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functionwp_remote_fopen()
HTTP request for URI to retrieve content.
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functionwp()
Sets up the WordPress query.
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functionget_status_header_desc()
Retrieves the description for the HTTP status.
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functionstatus_header()
Sets HTTP status header.
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hookstatus_header
Filters an HTTP status header.
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functionwp_get_nocache_headers()
Gets the HTTP header information to prevent caching.
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hooknocache_headers
Filters the cache-controlling HTTP headers that are used to prevent caching.
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functionnocache_headers()
Sets the HTTP headers to prevent caching for the different browsers.
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functioncache_javascript_headers()
Sets the HTTP headers for caching for 10 days with JavaScript content type.
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functionwp_get_http_headers()
Retrieves HTTP Headers from URL.
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functiondate_i18n()
Retrieves the date in localized format, based on a sum of Unix timestamp and timezone offset in seconds.
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functionis_new_day()
Determines whether the publish date of the current post in the loop is different from the publish date of the previous post in the loop.
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hookdate_i18n
Filters the date formatted based on the locale.
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functionbuild_query()
Builds a URL query based on an associative or indexed array.