Goes through an array and changes the keys to all lower case.
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Continue readingFilters content and keeps only allowable HTML elements.This function makes sure that only the allowed HTML element names, attribute names and attribute values plus only sane HTML entities will occur in $string. You have to remove any slashes from PHP’s magic quotes before you call this function.
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Continue readingLoad localized data on print rather than initialization.These localizations require information that may not be loaded even by init.
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