php Programming Glossary: derived

How to evaluate formula passed as string in PHP?

http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php

the author may not be used to endorse or promote products derived from this software without specific prior written permission...

Derived class defined later in the same file “does not exist”?

http://stackoverflow.com/questions/12617188/derived-class-defined-later-in-the-same-file-does-not-exist

called. Here is the code that handles the declaration of derived classes case ZEND_DECLARE_INHERITED_CLASS zend_op fetch_class_opline.. return NULL else ce pce Okay... so it reads the parent and derived class names either from a static from the PHP user's perspective.. be emitted unconditionally. When the compiler encounters a derived class declaration where the base class has not been declared..

get_object_vars() vs. cast to array

http://stackoverflow.com/questions/2512212/get-object-vars-vs-cast-to-array

your class you'll only get the public members from a derived class you'll get the protected and public members and from the..

What is function overloading and overriding in php?

http://stackoverflow.com/questions/2994758/what-is-function-overloading-and-overriding-in-php

have different parameters. Overriding is only pertinent to derived classes where the parent class has defined a method and the.. where the parent class has defined a method and the derived class wishes to override that method. In PHP you can only overload..

Rewrite Rijndael 256 C# Encryption Code in PHP

http://stackoverflow.com/questions/3505453/rewrite-rijndael-256-c-sharp-encryption-code-in-php

First we must create a password from which the key will be derived. This password will be generated from the specified passphrase.. a positive integer dkLen intended length in octets of derived key a positive integer at most 16 for MD2 or MD5 and 20.. at most 16 for MD2 or MD5 and 20 for SHA 1 Output DK derived key a dkLen octet string Steps 1. If dkLen 16 for MD2 and MD5..

Bulletin board - Database optimisation

http://stackoverflow.com/questions/4310769/bulletin-board-database-optimisation

the leading letter uncapitalised. . 22. rank all can be derived directly from the database remember do not worry about the code.. to be kept up to date which can get out of synch with the derived value which is called an Update Anomaly. Fifth Normal Form eliminates.. 23. Confirmed users.total_bulletins is redundant it can be derived. Removed. . 24. All your PKs are Ids. Haven't you gotten tired..

PHP 2-way encryption: I need to store passwords that can be retrieved

http://stackoverflow.com/questions/5089841/php-2-way-encryption-i-need-to-store-passwords-that-can-be-retrieved

length The length of the output key @returns string The derived key. protected function pbkdf2 algo key salt rounds length size.. class with a MUCH better encryption method using better derived keys and fixing the MAC generation... share improve this answer..

Is this correct object oriented programing in php? [closed]

http://stackoverflow.com/questions/5329664/is-this-correct-object-oriented-programing-in-php

an abstract class there also needs to be concrete classes derived from the abstract class. So let's use Inheritance to define..

Improve this PHP Bitfield Class for settings/permissions?

http://stackoverflow.com/questions/5380506/improve-this-php-bitfield-class-for-settings-permissions

putting the actual settings in this case permissions into derived concrete classes. For example php abstract class BitField private..

Is strip_tags() vulnerable to scripting attacks?

http://stackoverflow.com/questions/5788527/is-strip-tags-vulnerable-to-scripting-attacks

and the function body the following states can be derived State 0 is the output state not in any tag State 1 means we..

PHP Data-URI to file

http://stackoverflow.com/questions/6735414/php-data-uri-to-file

yields the following If you want to save data that is derived from a Javascript canvas.toDataURL function you have to convert..

What are the best practices for avoiding xss attacks in a PHP site

http://stackoverflow.com/questions/71328/what-are-the-best-practices-for-avoiding-xss-attacks-in-a-php-site

call htmlentities for anything I am outputing that is derived from user input. I also occasionally seach my database for common..

Best Practices for Processing Errors from Database in CodeIgniter

http://stackoverflow.com/questions/734138/best-practices-for-processing-errors-from-database-in-codeigniter

message taken from this db _error_message All your Model derived from BaseModel and call method to check last request for db..

Searching for availability with MySQL (and PHP)?

http://stackoverflow.com/questions/1687519/searching-for-availability-with-mysql-and-php

x ref F_LU_ID F_LU_ID 8 t.ID 2 Using where Not exists 2 DERIVED u system NULL NULL NULL NULL 1 2 DERIVED b1 ref F_LU_ID F_LU_ID.. Not exists 2 DERIVED u system NULL NULL NULL NULL 1 2 DERIVED b1 ref F_LU_ID F_LU_ID 8 const 0 2 DERIVED b2 ref F_LU_ID.. NULL 1 2 DERIVED b1 ref F_LU_ID F_LU_ID 8 const 0 2 DERIVED b2 ref F_LU_ID F_LU_ID 8 const 0 Compare with the EXPLAIN..