[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] names [See also identifiers] class sorting in ascending and descending alphabetical order static method namespaces in XML tags natcasesort( ) function 2nd Native Language Support (NLS) interface natsort( ) function 2nd natural-order string comparisons navigation features, PDF files bookmarks and thumbnails links negation - operator bitwise (~ operator) negative color index, turning off antialiasing with negative lookahead and lookbehind assertions negative numbers in PHP array keys nested loops, breaking out of nesting block comments, avoiding in function declarations subpatterns XML documents XML tags networking, functions for new keyword 2nd newlines (\n) end of string matching in regular expressions in heredocs next loops, accessing sorted array ordering next( ) function 2nd nextID( ) method NIS (formerly Yellow Pages) nl2br( ) function NLS (Native Language Support) interface nonproportional scaling of images not identical (!==) operator notation declarations for unparsed entities notes, adding to PDF files notices NUL-bytes in SQL queries testing string for NULL value 2nd number_format( ) function numbers changing sign of converting strings to numCols( ) method numeric comparisons numRows( ) method |