php Programming Glossary: costphp get all the images from url which width and height >=200 more quicker http://stackoverflow.com/questions/10035954/php-get-all-the-images-from-url-which-width-and-height-200-more-quicker element src if size 0 200 size 1 200 echo element cost 48.64 seconds php getimagesize share improve this question..
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not? http://stackoverflow.com/questions/10113562/pdo-mysql-use-pdoattr-emulate-prepares-or-not An additional consideration There is a fixed cost for a prepare using native prepared statements so a prepare..
Performance of try-catch in php http://stackoverflow.com/questions/104329/performance-of-try-catch-in-php improve this question One thing to consider is that the cost of a try block where no exception is thrown is a different question.. no exception is thrown is a different question from the cost of actually throwing and catching an exception. If exceptions.. worse problems than being slow. So don't worry about the cost of throwing an exception unless you're somehow forced to use..
How to encrypt/decrypt data in php? http://stackoverflow.com/questions/10916284/how-to-encrypt-decrypt-data-in-php 18 salt sprintf ' 2y 02d s' 13 2^n cost factor substr strtr base64_encode random ' ' '.' 0 22 hash crypt.. the hashing based on the algorithm 2y for Blowfish the cost factor a factor of 13 takes roughly 0.40s on a 3GHz machine.. of hashing hash password_hash password PASSWORD_BCRYPT 'cost' 13 And verifying if password_verify given_password db_hash..
php String Concatenation, Performance http://stackoverflow.com/questions/124067/php-string-concatenation-performance In said languages there are library classes to reduce this cost such as C# System.Text.StringBuilder and Java java.lang.StringBuilder..
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 the site. However you should be wise to avoid this at all cost since no matter how well you filter it it will always be a potential..
Best solution to protect PHP code without encryption http://stackoverflow.com/questions/336057/best-solution-to-protect-php-code-without-encryption clients without using encryption. But that comes with the cost of an extension to be installed on the running server. I'm looking..
Secure hash and salt for PHP passwords http://stackoverflow.com/questions/401656/secure-hash-and-salt-for-php-passwords of password hashing is to deter a hacker or cracker by costing them too much time or money to calculate the plain text passwords... or money to calculate the plain text passwords. And time cost are the best deterrents in your arsenal. Another reason that.. bcrypt only uses blowfish's key schedule with a variable cost mechanism. The latter lets you increase the cost to brute force..
http://stackoverflow.com/questions/4671378/levenshtein-mysql-php INT DETERMINISTIC BEGIN DECLARE s1_len s2_len i j c c_temp cost INT DECLARE s1_char CHAR max strlen 255 DECLARE cv0 cv1 VARBINARY.. j s2_len DO SET c c 1 IF s1_char SUBSTRING s2 j 1 THEN SET cost 0 ELSE SET cost 1 END IF SET c_temp CONV HEX SUBSTRING cv1 j.. c c 1 IF s1_char SUBSTRING s2 j 1 THEN SET cost 0 ELSE SET cost 1 END IF SET c_temp CONV HEX SUBSTRING cv1 j 1 16 10 cost IF..
How do I expire a PHP session after 30 minutes? http://stackoverflow.com/questions/520237/how-do-i-expire-a-php-session-after-30-minutes the validity for every registered session. And that is cost intensive. Furthermore when using PHP 䏭 default session save..
How should a model be structured in MVC? http://stackoverflow.com/questions/5863870/how-should-a-model-be-structured-in-mvc data before sending an invoice or to compute the total cost of an order. At the same time Domain Objects are completely..
http://stackoverflow.com/questions/7364/pdf-editing-in-php editing PDFs in PHP Preferably open source zero license cost methods. I am thinking along the lines of opening a PDF file..
How can one check to see if a remote file exists using PHP? http://stackoverflow.com/questions/981954/how-can-one-check-to-see-if-a-remote-file-exists-using-php retcode 200 found. curl_close ch Anyway you only save the cost of the HTTP transfer not the TCP connection establishment and..
|