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php Programming Glossary: alwaysReference - What does this error mean in PHP? http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php on StackOverflow. The root cause of those questions is always the same. So the answers to those questions typically repeat..
Why shouldn't I use mysql_* functions in PHP? http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php for PHP database abstraction and browse a little. There always have been and will be lots of excellent libraries for such tasks...
What's the best method for sanitizing user input with PHP? http://stackoverflow.com/questions/129677/whats-the-best-method-for-sanitizing-user-input-with-php
How can I store my users' passwords safely? http://stackoverflow.com/questions/1581610/how-can-i-store-my-users-passwords-safely could tackle alone using a standard library is almost always easiest and most secure if not the only available option. The..
Reference - frequently asked questions about PDO [closed] http://stackoverflow.com/questions/15990857/reference-frequently-asked-questions-about-pdo are better than regular errors in many ways they always contains a stack trace they can be caught using try..catch or.. new PDO dsn user pass opt Connecting this way you will be always notified of all database errors occurred during query execution...
Are PHP short tags acceptable to use? http://stackoverflow.com/questions/200640/are-php-short-tags-acceptable-to-use php. Two of those php and script language php script are always available. The other two are short tags and ASP style tags and..
Sort multidimensional array by value (2) [duplicate] http://stackoverflow.com/questions/2699086/sort-multidimensional-array-by-value-2 though the values are currently sequential they will not always be. Array 0 Array hashtag a7e87329b5eab8578f4f1098a152d6f4..
http://stackoverflow.com/questions/279170/utf-8-all-the-way-through I have tried in the past on existing servers and always seem to end up having to fall back to ISO 8859 1. Where exactly..
Simple “Long Polling” example code? http://stackoverflow.com/questions/333664/simple-long-polling-example-code rate limiter it works fine without this but if msgsrv.php always returns instantly with a syntax error for example you flood..
Secure hash and salt for PHP passwords http://stackoverflow.com/questions/401656/secure-hash-and-salt-for-php-passwords I do agree. Randomess as truly random as possible is always the safest but least memorable solution. So far as I've been..
The ultimate clean/secure function http://stackoverflow.com/questions/4223980/the-ultimate-clean-secure-function lot of user inputs from _GET and _POST ... At the moment I always write mysql_real_escape_string _GET 'var' .. I would like to..
php execute a background process http://stackoverflow.com/questions/45953/php-execute-a-background-process Assuming this is running on a Linux machine I've always handled it like this exec sprintf s s 2 1 echo s cmd outputfile..
Who needs singletons? [closed] http://stackoverflow.com/questions/4595964/who-needs-singletons bad they have very good reasons to say so but it may not always be obvious until you've hit the problem yourself. The best thing..
Reference: What is a perfect code sample using the MySQL extension? [closed] http://stackoverflow.com/questions/6198104/reference-what-is-a-perfect-code-sample-using-the-mysql-extension this query not work Broken error reporting that is errors always occur even when the code is put into production Cross site scripting.. When it is an option we should do so. It is however not always possible sometimes the question asker is working on legacy code..
http://stackoverflow.com/questions/8028957/headers-already-sent-by-php p and a href img src about note ... The page output always follows the headers. PHP is required to pass the headers to.. See previous section. Checking with headers_sent You can always use headers_sent to probe if it's still possible to... send.. cookies in the browser or even proxy issues should always be checked. The session functionality also depends on free disk..
http://stackoverflow.com/questions/951373/when-is-eval-evil-in-php in php i all the years i have been developing in php i've always heard that using eval is evil. considering the following code..
Dependency Injection Pattern seems extreme in Control Class http://stackoverflow.com/questions/10215010/dependency-injection-pattern-seems-extreme-in-control-class in which direction. Say goodbye to global static state. Always inject. You can even start with function that need everything..
http://stackoverflow.com/questions/11061355/security-threats-with-uploads .. passwd' you're overwriting files in other directories. Always generate a random name yourself to save the file as. If you..
Replace URLs in text with HTML links http://stackoverflow.com/questions/1188129/replace-urls-in-text-with-html-links perfect. script alert 'Remember kids Say no to XSS attacks Always HTML escape untrusted input ' script EOD rexProtocol ' https..
Getting a modified preorder tree traversal model (nested set) into a <ul> http://stackoverflow.com/questions/1310649/getting-a-modified-preorder-tree-traversal-model-nested-set-into-a-ul ul result . str_repeat ' ul ' currDepth currNode 'depth' Always add node result . ' li ' . currNode 'title' . ' li ' Adjust.. ul result . str_repeat ' ul ' currDepth currNode 'depth' Always add the node result . ' li ' . currNode 'title' . ' li ' Anything..
Best way to encode passwords in PHP http://stackoverflow.com/questions/1391613/best-way-to-encode-passwords-in-php as soon as you've hashed it. Excise it from memory. Always require the user to create their own new password over an SSL..
mod_rewrite to remove .php but still serve the .php file? http://stackoverflow.com/questions/1698464/mod-rewrite-to-remove-php-but-still-serve-the-php-file APPLICATION_ENV development RewriteEngine on RewriteBase # Always use www. RewriteCond HTTP_HOST ^mysite .com NC RewriteRule ^.. set of mod_rewrite magic RewriteEngine on RewriteBase ## Always use www. RewriteCond HTTP_HOST ^mysite .com NC RewriteRule ^..
How to add scraped website data in database? http://stackoverflow.com/questions/18997932/how-to-add-scraped-website-data-in-database low don't most people want to be scraped by search engines Always do some rate limiting otherwise this happens . On my development..
How do I get the current time zone of MySQL? http://stackoverflow.com/questions/2934258/how-do-i-get-the-current-time-zone-of-mysql an hour later You have absolutely no way of knowing. Moral Always store dates times in GMT which doesn't do DST and convert to..
The ultimate clean/secure function http://stackoverflow.com/questions/4223980/the-ultimate-clean-secure-function by a sixth kind on which none of the insecticides work. Always use that one right method ideally straight before passing the..
Show a PDF files in users browser via PHP/Perl http://stackoverflow.com/questions/4679756/show-a-pdf-files-in-users-browser-via-php-perl to the.pdf' filename 'Custom file name for the.pdf' Note Always use .pdf at the end. header 'Content type application pdf' header..
jQuery Ajax POST example with php http://stackoverflow.com/questions/5004233/jquery-ajax-post-example-with-php the global variable _POST like this bar _POST 'bar' Note Always sanitize posted data to prevent injections and other malicious..
Php & Sql Injection - UTF8 POC http://stackoverflow.com/questions/5139127/php-sql-injection-utf8-poc making sure your data is in a known good character set. Always use database specific escape mechanisms for maximum safetey..
http://stackoverflow.com/questions/5166087/php-global-in-functions global state A function should do X for a defined input Y. Always. This gets even more severe when using OOP because OOP is about..
PHP to store images in MySQL or not? http://stackoverflow.com/questions/527801/php-to-store-images-in-mysql-or-not php mysql image share improve this question Always depends of context but usually I store a user image on the filesystem..
http://stackoverflow.com/questions/5768380/php-mysql-and-time-zones handled by MySQL including NOW to be handled sanely. Always use DATETIME never use TIMESTAMP unless you very expressly require..
How to properly escape html form input default values in php? http://stackoverflow.com/questions/6249151/how-to-properly-escape-html-form-input-default-values-in-php _POST 'firstname' and htmlspecialchars _POST 'content' . Always escape strings with htmlspecialchars before showing them to..
multi dimensional array in random order http://stackoverflow.com/questions/6355154/multi-dimensional-array-in-random-order array and returns the key or keys of the random entries. Always read documentation if you use built in functions. Don't just..
How to properly handle session and access token with Facebook PHP SDK 3.0? http://stackoverflow.com/questions/6468103/how-to-properly-handle-session-and-access-token-with-facebook-php-sdk-3-0 And this function is called on form submit. Always worked for me but somehow it still sends the form although session..
Caching image requests through PHP - If-Modified-Since not being sent http://stackoverflow.com/questions/1038638/caching-image-requests-through-php-if-modified-since-not-being-sent of the code below I found on php.net. It works however ALWAYS responds with 200. For some reason the If Modified Since header..
How to search inside GCIDE XML using PHP http://stackoverflow.com/questions/10740690/how-to-search-inside-gcide-xml-using-php dbname fiddle root never trust what user wrote We must ALWAYS sanitize user input word mysql_real_escape_string _POST 'search'..
I need help fixing Broken UTF8 encoding http://stackoverflow.com/questions/1344692/i-need-help-fixing-broken-utf8-encoding 8 ini_set default_charset 'utf 8' If your database doesn't ALWAYS talk in utf 8 then you may need to tell it on a per connection.. command is AddDefaultCharset UTF 8 Finally you need to ALWAYS make sure that you are using PHP functions that are properly..
Include “required questions” in a random selection http://stackoverflow.com/questions/15638373/include-required-questions-in-a-random-selection a yes no dropdown. The questions that have yes selected ALWAYS have to be incorporated into the loop above. E.g The test has..
Should you use prepared statements for their escaping only? [closed] http://stackoverflow.com/questions/16365574/should-you-use-prepared-statements-for-their-escaping-only is an example. And this latter approach have to be ALWAYS used to run a query against a database no matter if it is backed..
http://stackoverflow.com/questions/1745984/php-session-use-trans-sid the session id automatically. Does this mean it will ALWAYS add the session id Or only when cookies are not working Will..
How to prevent PHP sessions being shared between different apache vhosts? http://stackoverflow.com/questions/18262878/how-to-prevent-php-sessions-being-shared-between-different-apache-vhosts improve this question Edit is also the reason why you ALWAYS should set your session_save_path or use database session handling..
Should you always end mysql queries with “or die?” http://stackoverflow.com/questions/2130105/should-you-always-end-mysql-queries-with-or-die &ldquo or die &rdquo Example queries in some tutorials ALWAYS end with or die mysql_error I can see why you would would sometimes..
Trying to understand the Post/Redirect/Get design pattern (implemented with PHP) http://stackoverflow.com/questions/3882149/trying-to-understand-the-post-redirect-get-design-pattern-implemented-with-php when level1.php is reached isset _SESSION 'authenticated' ALWAYS returns false so the user is always redirected back to index.php...
Are mysql_real_escape_string() and mysql_escape_string() sufficient for app security? http://stackoverflow.com/questions/5414731/are-mysql-real-escape-string-and-mysql-escape-string-sufficient-for-app-secu interface with the programming language. Therefore you're ALWAYS guaranteed to be protected against EVERY KNOWN HACK at the bare..
Doctrine 2 Inheritance Mapping with Association http://stackoverflow.com/questions/5715777/doctrine-2-inheritance-mapping-with-association CANNOT create proxy instances of this entity and will ALWAYS load the entity eagerly. So how can I proceed to use inheritance..
PHP if-statement ignored when header(Location: xxx) is inside http://stackoverflow.com/questions/6149941/php-if-statement-ignored-when-headerlocation-xxx-is-inside message.php exit else do nothing continue with page This ALWAYS redirects to the message.php page no matter what the outcome..
http://stackoverflow.com/questions/8889025/unzip-a-file-with-php whatever input is passed to a script via a _GET variable. ALWAYS SANITIZE USER INPUT. UPDATE As per your comment the best way..
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