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Index: N

\n (newlines)
end of string matching in regular expressions: 4.10.2. Match Behavior
in heredocs: 4.1.4. Here Documents
names: 2.1.6. Identifiers
(see also identifiers)
class: 6.4. Declaring a Class
sorting in ascending and descending alphabetical order: 5.8.1. Sorting One Array at a Time
static method: 6.3. Accessing Properties and Methods
namespaces in XML tags: 11.1. Lightning Guide to XML
natcasesort( ) function: 5.8.2. Natural-Order Sorting
A.2c. Alphabetical Listing of PHP Functions (j-q)
Native Language Support (NLS) interface: B.1. Optional Extensions Listing
natsort( ) function: 5.8.2. Natural-Order Sorting
A.2c. Alphabetical Listing of PHP Functions (j-q)
natural-order string comparisons: 4.6.1. Exact Comparisons
navigation features, PDF files: 10.5. Navigation
bookmarks and thumbnails: 10.5.1. Bookmarks and Thumbnails
links: 10.5.2. Links
negation
- operator: 2.4.5. Arithmetic Operators
bitwise (~ operator): 2.4.9. Bitwise Operators
negative color index, turning off antialiasing with: 9.5.2. TrueType Fonts
negative lookahead and lookbehind assertions: 4.10.10. Lookahead and Lookbehind
negative numbers in PHP array keys: 5.2. Identifying Elements of an Array
nested loops, breaking out of: 2.5.3. while
nesting
block comments, avoiding in: 2.1.4.3. C comments
function declarations: 3.2. Defining a Function
subpatterns: 4.10.7. Backreferences
XML documents: 11.1. Lightning Guide to XML
XML tags: 11.1. Lightning Guide to XML
networking, functions for: A.1. PHP Functions by Category
new keyword: 2.2.6. Objects
6.2. Creating an Object
newlines (\n)
end of string matching in regular expressions: 4.10.2. Match Behavior
in heredocs: 4.1.4. Here Documents
next( ) function: 5.7.2. The Iterator Functions
A.2c. Alphabetical Listing of PHP Functions (j-q)
next loops, accessing sorted array ordering: 5.8.1. Sorting One Array at a Time
nextID( ) method: 8.4.5. Sequences
NIS (formerly Yellow Pages): B.1. Optional Extensions Listing
nl2br( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
NLS (Native Language Support) interface: B.1. Optional Extensions Listing
nonproportional scaling of images: 10.4.1. Images
not identical (!==) operator: 2.4.8. Comparison Operators
notation declarations for unparsed entities: 11.3.4.2. Unparsed entities
notes, adding to PDF files: 10.6.1. Note Annotations
notices: 13.4.1. Error Reporting
NUL-bytes
in SQL queries: 4.5.3. SQL
testing string for: 4.7.4.3. Searches using masks
NULL value: 2.2.8. NULL
A.2b. Alphabetical Listing of PHP Functions (f-i)
number_format( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
numbers: A.2b. Alphabetical Listing of PHP Functions (f-i)
changing sign of: 2.4.5. Arithmetic Operators
converting strings to: 2.4.4. Implicit Casting
numCols( ) method: 8.4.4. Details About a Query Response
numeric comparisons: 2.4.8. Comparison Operators
numRows( ) method: 8.4.4. Details About a Query Response

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