File: wp-includes/functions.php
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functionxmlrpc_removepostdata()
XML-RPC XML content without title and category elements.
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functionwp_extract_urls()
Uses RegEx to extract URLs from arbitrary content.
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functiondo_enclose()
Checks content for video and audio links to add as enclosures.
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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.
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functionnumber_format_i18n()
Converts float number to format based on the locale.
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function_http_build_query()
From php.net (modified by Mark Jaquith to behave like the native PHP5 function).
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Filters the number formatted based on the locale.
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functionsize_format()
Converts a number of bytes to the largest unit the bytes will fit into.
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functionget_weekstartend()
Gets the week start and end from the datetime or date string from MySQL.
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functionmaybe_unserialize()
Unserializes data only if it was serialized.
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functionmysql2date()
Converts given MySQL date string into a different format.
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functioncurrent_time()
Retrieves the current time based on specified type.
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functionget_dirsize()
Gets the size of a directory.
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functionrecurse_dirsize()
Gets the size of a directory recursively.