The syntax for variable dereferencing was reworked to be internally more consistent and complete, allowing the use of the operators ->, [], (), {}, and ::, with arbitrary meaningful left-side expressions. [60]

PHP Server-Side Scripting Language". Indiana University. 2007-04-04. Archived from the original on 2016-01-21 . Retrieved 2008-02-25. Fixed a memory corruption bug, which required breaking binary compatibility with extensions compiled against PHP version 4.3.x. [100] Performance Improvements: PHP8.2 includes various performance improvements, including faster JIT compilation, faster garbage collection, and improved handling of large arrays. These improvements can help to make PHP applications faster and more efficient.

The specific standard here is known as ANSI/ASME Y14.1 if you want to do more research. Unfortunately this document isn’t free, so it won’t be accessible or practical for everyone to use. Courtesy Wikipedia Understanding Paper Size Naming Integers in PHP, running with scissors, and portability". MySQL Performance Blog. March 27, 2007 . Retrieved 2007-03-28. IBM Redbooks— Developing PHP Applications for IBM Data Servers". redbooks.ibm.com . Retrieved 16 December 2014. Kerner, Sean Michael (2008-02-01). "PHP4 is Dead—Long Live PHP5". InternetNews. Archived from the original on 2018-08-06 . Retrieved 2018-12-16. PHP-FPM (FastCGI Process Manager) is an alternative FastCGI implementation for PHP, bundled with the official PHP distribution since version 5.3.3. [251] When compared to the older FastCGI implementation, it contains some additional features, mostly useful for heavily loaded web servers. [252]

During 2014 and 2015, a new major PHP version was developed, PHP7. The numbering of this version involved some debate among internal developers. [51] While the PHP6 Unicode experiments had never been released, several articles and book titles referenced the PHP6 names, which might have caused confusion if a new release were to reuse the name. [52] After a vote, the name PHP7 was chosen. [53] These are the ISO standards for envelopes and other related paper products. They are similar to the A format but slightly larger in size. Many high-profile open-source projects ceased to support PHP4 in new code from February 5, 2008, because of the GoPHP5 initiative, [37] provided by a consortium of PHP developers promoting the transition from PHP4 to PHP5. [38] [39] Other new features: PHP8.1 also includes other new features such as support for named arguments, support for attributes (similar to annotations in other languages), and improved support for Unicode. [88]HHVM (HipHop Virtual Machine)– developed at Facebook and available as open source, it converts PHP code into a high-level bytecode (commonly known as an intermediate language), which is then translated into x86-64 machine code dynamically at runtime by a just-in-time (JIT) compiler, resulting in up to 6× performance improvements. [230] However, since version 7.2 Zend has outperformed HHVM, [231] and HHVM3.24 is the last version to officially support PHP. [232] Cross Reference: /PHP_5_4/ext/standard/". php.net. Archived from the original on 16 March 2012 . Retrieved 16 December 2014.

Early PHP was not intended to be a new programming language, and grew organically, with Lerdorf noting in retrospect: "I don't know how to stop it, there was never any intent to write a programming language [...] I have absolutely no idea how to write a programming language, I just kept adding the next logical step on the way." [26] A development team began to form and, after months of work and beta testing, officially released PHP/FI 2 in November 1997. [ citation needed] Normal North American business envelopes are size #10. They measure 4 1/8 by 9 1/2 inches. What is the size of A4 paper?

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There are different kinds of SAPIs for various web server extensions. For example, in addition to those listed above, other SAPIs for the PHP language include the Common Gateway Interface and command-line interface. [255] [257] Match expression: This is a more concise and flexible way to perform matching on values. It allows you to specify multiple cases and their associated values, and then use the match keyword to select the appropriate case based on the value of an expression. Extension Writing Part I: Introduction to PHP and Zend". Zend Technologies. 2005-03-01. Archived from the original on 2013-09-24 . Retrieved 2013-09-22. The mascot of the PHP project is the elePHPant, a blue elephant with the PHP logo on its side, designed by Vincent Pontier [196] in 1998. [197] "The (PHP) letters were forming the shape of an elephant if viewed in a sideways angle." [198] The elePHPant is sometimes differently coloured when in plush toy form. [ citation needed]