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Index: L

language, PHP: 2. Language Basics
last-in first-out (LIFO) stacks: 5.10.2. Stacks
lcg_value( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
LDAP (Lightweight Directory Access Protocol): B.1. Optional Extensions Listing
leading parameter for PDF text: 10.3.2. Text Functions
left shift (<<) operator: 2.4.9. Bitwise Operators
length
of output buffers: 13.3.1. Output Buffering
of strings: A.3d. Alphabetical Listing of PHP Functions (r-z)
strlen( ) function (example): 3.1. Calling a Function
Lerdorf, Rasmus: 1.2. A Brief History of PHP
less than (<) operator: 2.4.8. Comparison Operators
less than or equal to (<=) operator: 2.4.8. Comparison Operators
levels of conditions, error reporting: 13.4.1. Error Reporting
levenshtein( ) function: 4.6.2. Approximate Equality
A.2c. Alphabetical Listing of PHP Functions (j-q)
Levenshtein algorithm, calculating similarity of strings: 4.6.2. Approximate Equality
lexicographic (textual) comparisons: 2.4.8. Comparison Operators
libraries: 1.3. Installing PHP
(see also extensions)
code: 13.1. Code Libraries
concealing for security: 12.5. Concealing PHP Libraries
PEAR, installing: 1.3. Installing PHP
libswf extension, configuring external dependencies: 14.4.2. External Dependencies
Lightweight Directory Access Protocol (LDAP): B.1. Optional Extensions Listing
line breaks in PHP code: 2.1.3. Whitespace and Line Breaks
line endings on Unix and Windows: 15.2.7. End-of-Line Handling
lines, drawing: 9.4.5. Basic Drawing Functions
from current point back to starting point: 10.4.2. Graphics
link( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
linkinfo( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
links: A.2b. Alphabetical Listing of PHP Functions (f-i)
in PDF documents[links
PDF}: 10.5.2. Links
lstat( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
readlink( ) function: A.3d. Alphabetical Listing of PHP Functions (r-z)
symbolic: A.3d. Alphabetical Listing of PHP Functions (r-z)
unlinking: A.3d. Alphabetical Listing of PHP Functions (r-z)
list( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
combining with array_slice( ): 5.5.1. Slicing an Array
copying array values into variables: 5.5. Extracting Multiple Values
literals: 2.1.5. Literals
string: 2.2.3. Strings
load balancing: 13.5.5.2. Load balancing and redirection
loading code and HTML from another module: 2.6. Including Code
local scope: 2.3.3.1. Local scope
function parameters: 2.3.3.4. Function parameters
local server application: 15.3.1. Background
local variables, freeing values in memory management: 2.3.4. Garbage Collection
locale system (Unix): 4.9. POSIX-Style Regular Expressions
localeconv( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
localtime( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
Location header: 7.5.2. Redirections
log10( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
Log objects, serializing/deserializing (example): 6.6. Serialization
logging
in error handlers: 13.4.4.1. Logging in error handlers
error messages to syslog: A.3d. Alphabetical Listing of PHP Functions (r-z)
functions for: A.1. PHP Functions by Category
opening connection to system logger: A.2c. Alphabetical Listing of PHP Functions (j-q)
session errors: 7.6.2.3. Custom storage
logical operators: 2.4.10. Logical Operators
long data type: A.2b. Alphabetical Listing of PHP Functions (f-i)
storing integers as: 14.6. The pval/zval Data Type
long2ip( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
lookahead and lookbehind assertions: 4.10.10. Lookahead and Lookbehind
conditional expressions: 4.10.12. Conditional Expressions
looping over array elements with each( ): 5.7.2. The Iterator Functions
loops: 2.5. Flow-Control Statements
do/while: 2.5.3. while
foreach: 2.2.5. Arrays
5.7.1. The foreach Construct
while: 2.5.3. while
lstat( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q)
ltrim( ) function: 4.4.1. Removing Whitespace
A.2c. Alphabetical Listing of PHP Functions (j-q)
Luhn checksum: 4.9.3.1. Matching

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