File: wp-includes/functions.php
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functiondo_enclose()
Checks content for video and audio links to add as enclosures.
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functionsize_format()
Converts a number of bytes to the largest unit the bytes will fit into.
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functionwp_get_http_headers()
Retrieves HTTP Headers from URL.
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functionget_weekstartend()
Gets the week start and end from the datetime or date string from MySQL.
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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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functionmaybe_unserialize()
Unserializes data only if it was serialized.
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functionbuild_query()
Builds URL query based on an associative and, or indexed array.
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functionis_serialized()
Checks value to find if it was serialized.
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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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functionis_serialized_string()
Checks whether serialized data is of string type.
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functioncurrent_time()
Retrieves the current time based on specified type.
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functionmysql2date()
Converts given MySQL date string into a different format.
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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.