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php Programming Glossary: variables

When to use single quotes, double quotes, and backticks?

http://stackoverflow.com/questions/11321491/when-to-use-single-quotes-double-quotes-and-backticks

above example consider that table col n and val n may be variables. What is the standard for this What do you do php mysql share.. column Variable interpolation The quoting patterns for variables do not change although if you intend to interpolate the variables.. do not change although if you intend to interpolate the variables directly in a string it must be double quoted in PHP. Just make..

Why shouldn't I use mysql_* functions in PHP?

http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php

Converting old code is straightforward Move your variables out of the SQL string. Add them as comma delimited function.. pdo_query . Place question marks as placeholders where the variables were before. Get rid of ' single quotes that previously enclosed.. of ' single quotes that previously enclosed string values variables. The advantage becomes more obvious for lengthier code. Often..

Reference - frequently asked questions about PDO [closed]

http://stackoverflow.com/questions/15990857/reference-frequently-asked-questions-about-pdo

error mean in PHP Reference What is variable scope which variables are accessible from where and what are œundefined variable errors..

Code obfuscator for php? [closed]

http://stackoverflow.com/questions/232736/code-obfuscator-for-php

they dont work for very big projects. They can't handle variables that are included in one file and used in another for instance...

What is the difference between single-quoted and double-quoted strings in PHP?

http://stackoverflow.com/questions/3446216/what-is-the-difference-between-single-quoted-and-double-quoted-strings-in-php

a host of escaped characters including some regexes and variables in the strings will be evaluated. An important point here is.. Take a look at string parsing to see how to use array variables and such. Heredoc string syntax works like double quoted strings...

Reference - What does this symbol mean in PHP?

http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php

z is reached aa is next and so on. Note that character variables can be incremented but not decremented and even so only plain..

PHP: “Notice: Undefined variable” and “Notice: Undefined index”

http://stackoverflow.com/questions/4261133/php-notice-undefined-variable-and-notice-undefined-index

error is issued in case of working with uninitialized variables however not in the case of appending elements to the uninitialized.. in the script. What PHP does in the case of undeclared variables is issue a very low level error E_NOTICE one that is not even.. Ways to deal with the issue Recommended Declare your variables. Or use isset to check if they are declared before referencing..

jQuery Ajax POST example with php

http://stackoverflow.com/questions/5004233/jquery-ajax-post-example-with-php

pending request if request request.abort setup some local variables var form this let's select and cache all the fields var inputs..

Annoying PHP error: “Strict Standards: Only variables should be passed by reference in”

http://stackoverflow.com/questions/13117106/annoying-php-error-strict-standards-only-variables-should-be-passed-by-refere

The following things can be passed by reference Variables i.e. foo a New statements i.e. foo new foobar References returned..

Unexpected T_VARIABLE error

http://stackoverflow.com/questions/1694378/unexpected-t-variable-error

end php include variables share improve this question Variables are not allowed here properties must be initialized by constants..

Reference: What is variable scope, which variables are accessible from where and what are “undefined variable” errors?

http://stackoverflow.com/questions/16959576/reference-what-is-variable-scope-which-variables-are-accessible-from-where-and

share improve this question What is variable scope Variables have a limited scope or places from which they are accessible.. the only kind of scope separator that exists in PHP. Variables inside a function are only available inside that function. Variables.. inside a function are only available inside that function. Variables outside of functions are available anywhere outside of functions..

How to install PHP/CURL?

http://stackoverflow.com/questions/176449/how-to-install-php-curl

click My Computer select Properties Advanced Environment Variables find the PATH environment variable edit it and add the location..

Variables not printing to page

http://stackoverflow.com/questions/18196055/variables-not-printing-to-page

not printing to page Why isn't this printing the values from..

What's this kind of syntax in PHP?

http://stackoverflow.com/questions/2333779/whats-this-kind-of-syntax-in-php

but the escape codes listed above can still be used. Variables are expanded but the same care must be taken when expressing..

Randomly Losing Session Variables Only In Google Chrome & URL Rewriting

http://stackoverflow.com/questions/2953536/randomly-losing-session-variables-only-in-google-chrome-url-rewriting

Losing Session Variables Only In Google Chrome URL Rewriting Using Google Chrome I'm..

What is the difference between single-quoted and double-quoted strings in PHP?

http://stackoverflow.com/questions/3446216/what-is-the-difference-between-single-quoted-and-double-quoted-strings-in-php

strings will display things almost completely as is. Variables and most escape sequences will not be interpreted. The exception..

Reference - What does this symbol mean in PHP?

http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php

Arguments Difference between and . in PHP Variable Variables What does mean in PHP what is in PHP function and variable `..

Auditing a PHP codebase

http://stackoverflow.com/questions/4273244/auditing-a-php-codebase

it can be a nightmare to debug and or understand. Variable Variables &mdash another whopper. This article explains the madness best...

Xdebug And Netbeans Problem

http://stackoverflow.com/questions/4528569/xdebug-and-netbeans-problem

the PHP code where you need it and you'll see it on the Variables tab when the debugger is running. Since you see xdebug in phpinfo..

PHP some $_POST values missing but are present in php://input

http://stackoverflow.com/questions/5077969/php-some-post-values-missing-but-are-present-in-php-input

you can find a lot of workarounds in the comments here PHP Variables From External Sources For Exampe comment by POSTer php Function..

Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?

http://stackoverflow.com/questions/5444249/unable-to-find-the-wrapper-https-did-you-forget-to-enable-it-when-you-config

is on. Under Apache Environment HTTPS is On. Under PHP Variables _SERVER HTTPS is On. Under Phar OpenSSL support is disabled..

Prevent sent emails treated as junk mails using php mail function

http://stackoverflow.com/questions/746809/prevent-sent-emails-treated-as-junk-mails-using-php-mail-function

8859 1' . r n headers . 'From abc@yahoo.com' . r n Email Variables toUser someone@yahoo.com recipient subject testing subject body..

Which is faster? Constants, Variables or Variable Arrays

http://stackoverflow.com/questions/7766486/which-is-faster-constants-variables-or-variable-arrays

is faster Constants Variables or Variable Arrays My current web application uses about 30..

Session data lost in Chrome only

http://stackoverflow.com/questions/8247842/session-data-lost-in-chrome-only

to the problem in this thread Randomly Losing Session Variables Only In Google Chrome URL Rewriting But all solutions in that..

PHP Variables passed by value or by reference?

http://stackoverflow.com/questions/879/php-variables-passed-by-value-or-by-reference

Variables passed by value or by reference Are PHP variables passed by..

Cannot connect to MySQL 4.1+ using old authentication

http://stackoverflow.com/questions/1575807/cannot-connect-to-mysql-4-1-using-old-authentication

method old vs new First check with the SQL query SHOW VARIABLES LIKE 'old_passwords' in the MySQL command line client HeidiSQL..

MySQL server has gone away - in exactly 60 seconds

http://stackoverflow.com/questions/1644432/mysql-server-has-gone-away-in-exactly-60-seconds

are my test code the output and the results from SHOW VARIABLES Thanks CODE set_error_handler sqlErrorHandler set_time_limit.. done sql SELECT SLEEP 120 elapsed 60.051155090332 SHOW VARIABLES Variable_name Value auto_increment_increment 1 auto_increment_offset..

PHP/MySQL with encoding problems

http://stackoverflow.com/questions/405684/php-mysql-with-encoding-problems

version 5.1.30 of XAMPP for Linux. EDIT 3 Running SHOW VARIABLES LIKE ' character ' from PhpMyAdmin outputs character_set_client.. Running SET NAMES 'utf8' SET CHARACTER SET 'utf8' SHOW VARIABLES LIKE ' character ' outputs an empty array. php mysql encoding..

PHP access all $_POST[] variables into an array?

http://stackoverflow.com/questions/5345859/php-access-all-post-variables-into-an-array

new email_save emailadd insert_email_into_database POST VARIABLES GO HERE I'm trying to make an email list name and email address..

how to check and set max_allowed_packet mysql variable [duplicate]

http://stackoverflow.com/questions/5688403/how-to-check-and-set-max-allowed-packet-mysql-variable

16M You can see it's curent value in mysql like this SHOW VARIABLES LIKE 'max_allowed_packet' You can try to change it like this..

PHP Max amount of inserts in one SQL query

http://stackoverflow.com/questions/5735150/php-max-amount-of-inserts-in-one-sql-query

one and then get your server's packet length limit SHOW VARIABLES WHERE Variable_name LIKE ' max_allowed_packet ' If your 3000..

How to import LARGE sql files into mysql table

http://stackoverflow.com/questions/9337855/how-to-import-large-sql-files-into-mysql-table

allowed_max_packet to 4GB but when verifying it with SHOW VARIABLES it only shows 1GB. Is there a way to do this without wasting..