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php Programming Glossary: let'shttp://stackoverflow.com/questions/10057671/how-foreach-actually-works to restore it back to the old element based on the hash . Let's see what try means with a few examples. First here is an example..
Error logging, in a smooth way http://stackoverflow.com/questions/10331084/error-logging-in-a-smooth-way not quite sure how I should use the Exceptions in general. Let's say I want to do a INSERT to a database with SQL inside a method..
How to encrypt/decrypt data in php? http://stackoverflow.com/questions/10916284/how-to-encrypt-decrypt-data-in-php iv_size MCRYPT_DEV_URANDOM 16 bytes output Example Let's encrypt the name field using the earlier encryption_key and..
How to successfully rewrite old mysql-php code with deprecated mysql_* functions? http://stackoverflow.com/questions/10919277/how-to-successfully-rewrite-old-mysql-php-code-with-deprecated-mysql-functions a simple sweet and short Yes not necessary any longer. Let's review the code not that we have lost something __construct.. with so less characters. Cheers __destruct The destructor. Let's be fair MySQL did not need this as well. However with PDO we..
Replace URLs in text with HTML links http://stackoverflow.com/questions/1188129/replace-urls-in-text-with-html-links url preg replace linkify share improve this question Let's look at the requirements. You have some user supplied plain..
What do I need to store in the php session when user logged in? http://stackoverflow.com/questions/1221447/what-do-i-need-to-store-in-the-php-session-when-user-logged-in secure you must first understand how sessions work. Let's see this piece of code session_start As soon as you call that..
Are PDO prepared statements sufficient to prevent SQL injection? http://stackoverflow.com/questions/134099/are-pdo-prepared-statements-sufficient-to-prevent-sql-injection prepared statements sufficient to prevent SQL injection Let's say I have code like this dbh new PDO blahblah stmt dbh prepare.. by a prepared statement but the concept still applies. Let's say you put this value in a text box that's expecting a name..
Reference: all basic ways to sort arrays and data in PHP http://stackoverflow.com/questions/17364127/reference-all-basic-ways-to-sort-arrays-and-data-in-php SplHeap public function compare a b return strcmp a b Let's populate our heap here data of 2009 heap new SimpleHeapSort..
Can I include code into a PHP class? http://stackoverflow.com/questions/1957732/can-i-include-code-into-a-php-class that the passed param implements the Meowing interface. Let's define another Meowing Behavior php LolkatMeow.php class LolkatMeow..
http://stackoverflow.com/questions/2206387/what-is-a-class-in-php You unlocked the Lock aLock lock You locked the Lock Let's create another lock also encapsulating it's own state anotherLock..
http://stackoverflow.com/questions/3430181/acl-implementation question Second question is about getting role using Acl. Let's imagine that we have guests users and user's friends. User have..
Doctrine2: Best way to handle many-to-many with extra columns in reference table http://stackoverflow.com/questions/3542243/doctrine2-best-way-to-handle-many-to-many-with-extra-columns-in-reference-table way to work with many to many relations in Doctrine2. Let's assume that we've got an album like Master of Puppets by Metallica..
Why don't PHP attributes allow functions? http://stackoverflow.com/questions/3960323/why-dont-php-attributes-allow-functions scalars ... T_ARRAY ' ' static_array_pair_list ' ' ... ... Let's assume for a second that the grammar was different and the noted..
How to replace text URLs and exclude URLs in HTML tags? http://stackoverflow.com/questions/4003031/how-to-replace-text-urls-and-exclude-urls-in-html-tags element should be converted to a link. p body html HTML Let's use an XPath that only fetches those elements that actually..
Forcing a SimpleXML Object to a string, regardless of context http://stackoverflow.com/questions/416548/forcing-a-simplexml-object-to-a-string-regardless-of-context a SimpleXML Object to a string regardless of context Let's say I have some XML like this channel item title This is title..
How to create a simple 'Hello World' module in Magento? http://stackoverflow.com/questions/576908/how-to-create-a-simple-hello-world-module-in-magento because we haven't created a file for our controller. Let's do that now. touch app code local MyCompanyName HelloWorld controllers..
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 Cross site scripting XSS injection in value output Let's write a PHP code sample that does the following using the mySQL_..
Saving image from PHP URL using PHP http://stackoverflow.com/questions/724391/saving-image-from-php-url-using-php PHP I need to save an image from a php URL to my PC. Let's say I have a page http example.com image.php holding a single..
http://stackoverflow.com/questions/10057671/how-foreach-actually-works a hash is just that A hash. I.e. it has collisions. So let's first try the following snippet array 'EzEz' 1 'EzFY' 2 'FYEz'..
What is the difference between a language construct and a “built-in” function in PHP? http://stackoverflow.com/questions/1180184/what-is-the-difference-between-a-language-construct-and-a-built-in-function-in in that language is built up from that syntax. For example let's say you have a simple four function arithmetic language that..
Why shouldn't I use mysql_* functions in PHP? http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php INSERT INTO pages VALUES _POST So much simplicity. But let's get back to some more rewriting advises and technical reasons..
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 traversal nested sets share improve this question Ok let's do some bounty hunting Step 0 Sanitize example As already mentioned..
Mysqli update throwing Call to a member function bind_param() error http://stackoverflow.com/questions/15447133/mysqli-update-throwing-call-to-a-member-function-bind-param-error great. php post mysqli share improve this question O let's try a canonical answer. Call to a member function or expects..
isset() and empty() make code ugly http://stackoverflow.com/questions/1960509/isset-and-empty-make-code-ugly overwrite them with actual values. In the remaining cases let's say a template where you're outputting values that may or may..
http://stackoverflow.com/questions/2320608/php-stderr-after-exec a way to pipe stdin stdout stderr . And here is an example let's consider we have this shell script in test.sh which writes to.. 'this is on stderr' 2 echo 'this is on stderr too' 2 Now let's code some PHP in temp.php first we initialize the i o descriptors..
How is the PHP array implemented on the C level? http://stackoverflow.com/questions/2350361/how-is-the-php-array-implemented-on-the-c-level to ZVAL structs. Because pointers have fixed length let's call it n the offset x calculation is easy x n. In PHP types..
PHP + MySQL transactions examples http://stackoverflow.com/questions/2708237/php-mysql-transactions-examples looks like this semi pseudo code try First of all let's begin a transaction db beginTransaction A set of queries if..
http://stackoverflow.com/questions/2715654/what-does-mean-in-php comment Doing a Well the best way to know is to try So let's try this portion of code real_variable 'test' name 'real_variable'..
Understanding MVC: Whats the concept of “Fat” on models, “Skinny” on controllers? http://stackoverflow.com/questions/3109715/understanding-mvc-whats-the-concept-of-fat-on-models-skinny-on-controllers have methods that control whats going to the model OBS2 let's say checkIfEmailExists has john@hotmail.com as a parameters... a query my table operation Q2 just one more question so let's say I've got a view form from where that email address parameter..
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 the name of the variable you want evaluated . For example let's say you have the variable type and you what to echo The types..
Why don't PHP attributes allow functions? http://stackoverflow.com/questions/3960323/why-dont-php-attributes-allow-functions that's causing trouble. To figure out what that is let's revert to the original grammar for a moment and imagine that..
MySQL and NoSQL: Help me to choose the right one http://stackoverflow.com/questions/4419499/mysql-and-nosql-help-me-to-choose-the-right-one are 1G of records it's quite a slow query. So I thought let's split this 1G of records in as many tables as many forums category.. million threads so far and forum 65 has 15 million threads let's see how the schema performs select forum_id thread_id from threads..
jQuery Ajax POST example with php http://stackoverflow.com/questions/5004233/jquery-ajax-post-example-with-php request.abort setup some local variables var form this let's select and cache all the fields var inputs form.find input select.. the data in the form var serializedData form.serialize let's disable the inputs for the duration of the ajax request inputs.prop..
What is the best way to stop people hacking the PHP-based highscore table of a Flash game http://stackoverflow.com/questions/73947/what-is-the-best-way-to-stop-people-hacking-the-php-based-highscore-table-of-a-f and a tracer I know my score for this game is 666 so let's find 666 in memory then catch any operation that touches that..
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted http://stackoverflow.com/questions/849549/diagnosing-memory-leaks-allowed-memory-size-of-bytes-exhausted true increases over time For the purposes of this question let's assume the worst spaghetti code imaginable is hiding in global..
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