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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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