Index L

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l format code (date() function) 
L format code (date() function) 
LCASE() function 
LDAP (Lightweight Directory Access Protocol)
    user management
        client authentication 
LEFT JOIN command  2nd 
LEFT() function 
length
    strings
        finding  2nd 
length functions  2nd  3rd  4th  5th 
LENGTH() function 
less than operator () 
less than or equal to operator () 
levels
    errors
        logging (LogLevel directive) 
lib directory 
lib subdirectory 
libraries
    OpenSSL
        installing (SSL installations)  2nd 
        installing;UNIX 
        installing;Windows 
    SSLeay 
library
    calendar example  2nd  3rd  4th 
licenses
    Apache 
Lightweight Directory Access Protocol (LDAP) 
LIKE operator  2nd  3rd 
Limit
    directive value 
LIMIT command  2nd  3rd  4th 
limitations
    symmetric cryptography 
limiting
    access
        HTTP methods  2nd 
LimitRequestBody directive
    abuse
        preventing (performance) 
LimitRequestFields directive
    abuse
        preventing (performance) 
LimitRequestFieldSize directive
    abuse
        preventing (performance) 
LimitRequestLine directive
    abuse
        preventing (performance) 
LimitXMLRequestBody directive
    abuse
        preventing (performance) 
links
    Start Apache 
Linux
    distribution CDs 
    file descriptors
        operating systems (scalability) 
    installing Apache on  2nd 
    installing MySQL on  2nd  3rd  4th 
    installing PHP on, with Apache  2nd  3rd  4th  5th  6th 
    integrating PHP with Apache on  2nd  3rd 
    server processes
        operating systems (scalability) 
Listen directive 
    configuration files 
listening addresses (Listen directive) 
listings
    ? (ternary operator) 
    abs() function  2nd  3rd 
    access
        restricting  2nd 
    Allow, Deny argument 
    arguments
        passing by value  2nd  3rd  4th  5th 
    authentication
        access control rules and  2nd 
        file-based 
    break statement 
    calendar
        HTML form  2nd  3rd  4th 
        library, creating  2nd  3rd  4th  5th  6th  7th  8th  9th  10th  11th  12th  13th 
        table, creating  2nd  3rd  4th  5th 
        user input, checking  2nd  3rd 
    code blocks  2nd  3rd  4th 
    connection script  2nd 
    constants
        defining 
    continue statement 
    cookies
        auth cookies  2nd 
        setting/printing  2nd 
    data
        retrieving  2nd  3rd  4th 
    databases
        selecting and connecting to 
    date formatting  2nd 
    Deny, Allow argument 
    directories
        contents, listing 
    do, while statement 
    file upload forms  2nd 
    file upload scripts  2nd 
    files
        navigating  2nd 
        opening/reading line by line 
        reading by characters 
        reading in chunks 
        writing to 
    for loop dividing 4000 by 10 incremental numbers 
    for statement 
    forms
        insert form 
    functions
        creating anonymous  2nd  3rd  4th 
        declaring  2nd 
        dynamic calls  2nd 
        existence of, testing  2nd 
        multiple file tests output  2nd  3rd  4th 
        optional arguments  2nd  3rd 
        requiring two arguments  2nd 
        return values 
        returns values 
        with arguments, declaring 
    functios
        with arguments, declaring 
    getdate() function  2nd 
    GLOBALS ($) array, looping through  2nd  3rd 
    HTML form  2nd  3rd  4th 
        accessing from multiple SELECT statement  2nd 
        reading input from  2nd 
        user input, receiving 
    HTML forms
        receiving  2nd 
    HTML/PHP combination form
        hidden fields, saving state with  2nd 
        HTM form calling itself 
        HTML form calling itself  2nd 
        PHP number guessing script  2nd 
    if else statement  2nd  3rd 
    if elseif else statement 
    if statement  2nd 
    include() function  2nd  3rd 
        executing PHP in another file 
        within loops 
    include() function to execture PHP/assign return values 
    include() function to execute PHP/assign return values 
    included file with PHP code 
    login form  2nd 
    menus
        address book example  2nd 
    nesting loops 
    PHP script with HTML  2nd 
    PHP scripts, simple 
    raw headers (forms)  2nd 
    records
        adding subentries to  2nd  3rd  4th  5th  6th  7th  8th 
        deleting  2nd  3rd 
        inserting  2nd  3rd  4th 
        selecting and viewing  2nd  3rd  4th  5th  6th  7th  8th 
    request headers 
    server headers (forms) 
    ServerAlias directive 
    session
        variables, accessing  2nd 
    session variables
        multiple, registering  2nd 
    sessions
        starting and resuming  2nd 
        storing variables in  2nd 
        variables, accessing stored  2nd 
        variables, adding array variables to  2nd  3rd 
    strings
        dividing into tokens  2nd  3rd 
        formatting  2nd 
    subscription project
        mail, sending  2nd  3rd  4th 
        subscribe and unsubscribe requests  2nd  3rd  4th  5th  6th 
    switch statement 
    tabels
        storefront database table example  2nd  3rd  4th  5th  6th  7th  8th  9th  10th  11th  12th 
    tables
        creating  2nd  3rd 
        record addition script  2nd  3rd  4th  5th  6th  7th 
    time stamps, creating 
    timestamps
        creating  2nd 
    topics
        adding  2nd  3rd 
        adding posts to  2nd  3rd  4th  5th  6th  7th  8th  9th  10th  11th  12th  13th 
        adding, script for  2nd  3rd  4th 
        displaying posts in  2nd  3rd  4th  5th  6th 
        topic list, displaying  2nd  3rd  4th  5th  6th  7th 
    type specifiers  2nd  3rd 
    user login script  2nd  3rd 
    variables
        access  2nd 
        casting 
        changing type with settype() function  2nd 
        defined outside functions  2nd 
        scope  2nd 
        testing type of  2nd  3rd 
        values, remembering between function calls  2nd  3rd  4th  5th 
    varialbes
        casting 
    virtual hosts, name-based 
    while statement 
lists
    user lists
        Require directive 
ln command
    symbolic links (symlink) 
LoadModule directive
    SSL configuations 
loads
    distributing (performance) 
local_format.php file 
local7
    syslog daemon
        logging errors 
LOCATE() function  2nd 
locating
    error log files 
location function  2nd 
lock screen mechanism 
locking
    files 
log directives
    status codes 
log files  2nd 
    access log 
    error log 
    paths
        logname 
    pid file 
    scoreboard file 
log formats 
    Common Log Format (CLF) 
    defining 
LogFormat directive
    arguments 
logging
    conditional logging
        CustomLog directive 
        HostNameLookups directive 
        HTTP requests  2nd 
        IdentityCheck directive 
    errors  2nd  3rd 
        files 
        LogLevel directive  2nd 
        programs 
        syslog daemon (Unix) 
    formatting directives (HTTP requests)  2nd  3rd  4th 
    HTTP requests  2nd  3rd  4th  5th  6th  7th 
        files  2nd 
        programs  2nd 
    images 
logical operators  2nd  3rd 
login form  2nd  3rd  4th 
LogLevel directive
    errors
        logging  2nd 
    options  2nd 
logname
    paths
        log files 
logresolve utility
    hostnames
        resolving 
logresolve.exe utility
    hostnames
        resolving 
logs
    analyzing 
    custom 
        database tables, creatting  2nd 
        database tables;code snippet  2nd  3rd 
        database tables;sample reports  2nd  3rd  4th  5th  6th 
    error logs
        monitoring 
    managing  2nd  3rd 
        analysis 
        error logs (monitoring) 
        hostname resolution  2nd 
        log rotation  2nd 
    managing (merging) 
    merging 
    request logs
        creating 
    rotating  2nd 
    splitting 
    splitting (merging) 
Logscan
    programs
        monitoring error logs 
Logtools
    log manipulation tools 
LONGBLOB data type 
LONGTEXT data type 
looping
    conditional looping
        environment variables 
        status code 
loops 
    breaking out of  2nd  3rd  4th  5th 
    do, while statement  2nd 
    for statement  2nd  3rd  4th 
    iterations, skipping  2nd  3rd 
    nesting  2nd  3rd 
    while statement  2nd  3rd  4th 
LPAD() function 
LTRIM() function  2nd 
ltrim() function
    strings, cleaning up  2nd  3rd