PHP syntax and semantics - Revision history

Meno25: /* See also */

2024-10-26T14:55:21Z

Meno25: /* See also */

2024-10-26T14:54:39Z

Meno25: /* Functions */

2024-10-26T14:52:30Z

Functions

← Previous revision		Revision as of 14:52, 26 October 2024
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	==Functions==		==Functions==
	{{Main\|Function (computer ~~science~~)\|First-class function\|Higher-order function#PHP}}		{{Main\|Function (computer programming)\|First-class function\|Higher-order function#PHP}}
	PHP has hundreds of base functions and thousands more from extensions. Prior to PHP version 5.3.0, functions are not [[first-class function]]s and can only be referenced by their name, whereas PHP 5.3.0 introduces closures.<ref name="functions">{{cite web\|accessdate=2008-03-16\|url=http://www.php.net/manual/en/language.functions.php\|title=Functions \|publisher=The PHP Group }}</ref> User-defined functions can be created at any time and without being prototyped.<ref name="functions" /> Functions can be defined inside code blocks, permitting a run-time decision as to whether or not a function should be defined. There is no concept of local functions. Function calls must use parentheses with the exception of zero argument class constructor functions called with the PHP <code>new</code> operator, where parentheses are optional.		PHP has hundreds of base functions and thousands more from extensions. Prior to PHP version 5.3.0, functions are not [[first-class function]]s and can only be referenced by their name, whereas PHP 5.3.0 introduces closures.<ref name="functions">{{cite web\|accessdate=2008-03-16\|url=http://www.php.net/manual/en/language.functions.php\|title=Functions \|publisher=The PHP Group }}</ref> User-defined functions can be created at any time and without being prototyped.<ref name="functions" /> Functions can be defined inside code blocks, permitting a run-time decision as to whether or not a function should be defined. There is no concept of local functions. Function calls must use parentheses with the exception of zero argument class constructor functions called with the PHP <code>new</code> operator, where parentheses are optional.

MrOllie: Reverted 1 edit by Sudhanshu visen (talk): Spam

2024-07-31T12:06:20Z

Reverted 1 edit by Sudhanshu visen (talk): Spam

← Previous revision		Revision as of 12:06, 31 July 2024
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	== References ==		== References ==
			{{reflist\|2}}
	{{reflist\|2}}<ref>{{Cite web \|title=PHP Introduction \|url=https://www.talkontechs.com/2023/02/php-introduction.html \|website=www.talkontechs.com}}</ref>{{PHP\|state=expanded}}

			{{PHP\|state=expanded}}

	[[Category:Programming language syntax]]		[[Category:Programming language syntax]]

Sudhanshu visen: Changed a Citation

2024-07-31T09:05:03Z

Changed a Citation

← Previous revision		Revision as of 09:05, 31 July 2024
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	== References ==		== References ==
			{{reflist\|2}}<ref>{{Cite web \|title=PHP Introduction \|url=https://www.talkontechs.com/2023/02/php-introduction.html \|website=www.talkontechs.com}}</ref>{{PHP\|state=expanded}}
	{{reflist\|2}}

	{{PHP\|state=expanded}}

	[[Category:Programming language syntax]]		[[Category:Programming language syntax]]

Adityajodhani: /* Match expression */

2024-07-27T11:33:55Z

Match expression

← Previous revision		Revision as of 11:33, 27 July 2024
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	==== Match expression ====		==== Match expression ====
	PHP 8 introduces the {{code\|match}} expression.<ref name="match-statement-php-8-laravel-news">{{cite web \|last1=Redmond \|first1=Paul \|title=Match Expression is Coming to PHP 8 \|url=https://laravel-news.com/match-expression-php-8 \|website=Laravel News \|accessdate=4 October 2020}}</ref> The match expression is conceptually similar to a {{code\|switch}} statement and is more compact for some use cases.<ref name="php-watch-match-statements-php-8">{{cite web \|title=PHP 8.0: Match Expressions \|url=https://php.watch/versions/8.0/match-expression \|website=PHP Watch \|accessdate=4 October 2020}}</ref>		PHP 8 introduces the {{code\|match}} expression.<ref name="match-statement-php-8-laravel-news">{{cite web \|last1=Redmond \|first1=Paul \|title=Match Expression is Coming to PHP 8 \|url=https://laravel-news.com/match-expression-php-8 \|website=Laravel News \|accessdate=4 October 2020}}</ref> The match expression is conceptually similar to a {{code\|switch}} statement and is more compact for some use cases.<ref name="php-watch-match-statements-php-8">{{cite web \|title=PHP 8.0: Match Expressions \|url=https://php.watch/versions/8.0/match-expression \|website=PHP Watch \|accessdate=4 October 2020}}</ref>
			{{code\|switch}} statements are traditionally favored for simple value-based comparisons, {{code\|match}} statements provide more flexibility and readability, particularly when using in complex conditions or patterns

			<ref>{{cite web \|title=Match or Switch in PHP \|url=https://techsouce.com/match-or-switch-php-usage/ \|website=Techsouce \|access-date=27 July 2024}}</ref>
	<syntaxhighlight lang="php">		<syntaxhighlight lang="php">
	echo match (1) {		echo match (1) {

Rodw: Disambiguating links to Binary (link changed to Binary number) using DisamAssist.

2024-05-19T15:35:49Z

Disambiguating links to Binary (link changed to Binary number) using DisamAssist.

← Previous revision		Revision as of 15:35, 19 May 2024
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	==== Integer ====		==== Integer ====
	{{Main\|Integer (computer science)}}		{{Main\|Integer (computer science)}}
	PHP stores whole numbers in a platform-dependent range. This range is typically that of 32-bit or 64-bit signed integers.<ref>[https://www.php.net/manual/en/language.types.integer.php PHP: Integers - Manual]</ref> Integer variables can be assigned using decimal (positive and negative), [[octal]], [[hexadecimal]], and [[binary]] notations.		PHP stores whole numbers in a platform-dependent range. This range is typically that of 32-bit or 64-bit signed integers.<ref>[https://www.php.net/manual/en/language.types.integer.php PHP: Integers - Manual]</ref> Integer variables can be assigned using decimal (positive and negative), [[octal]], [[hexadecimal]], and [[Binary number\|binary]] notations.
	<syntaxhighlight lang="php">		<syntaxhighlight lang="php">
	$a = 1234; // decimal number		$a = 1234; // decimal number

49.130.129.124: /* Integer */adapted text to following example

2024-04-21T11:02:28Z

Integer: adapted text to following example

← Previous revision		Revision as of 11:02, 21 April 2024
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	==== Integer ====		==== Integer ====
	{{Main\|Integer (computer science)}}		{{Main\|Integer (computer science)}}
	PHP stores whole numbers in a platform-dependent range. This range is typically that of 32-bit or 64-bit signed integers.<ref>[https://www.php.net/manual/en/language.types.integer.php PHP: Integers - Manual]</ref> Integer variables can be assigned using decimal (positive and negative), [[octal]] and [[~~hexadecimal~~]] notations.		PHP stores whole numbers in a platform-dependent range. This range is typically that of 32-bit or 64-bit signed integers.<ref>[https://www.php.net/manual/en/language.types.integer.php PHP: Integers - Manual]</ref> Integer variables can be assigned using decimal (positive and negative), [[octal]], [[hexadecimal]], and [[binary]] notations.
	<syntaxhighlight lang="php">		<syntaxhighlight lang="php">
	$a = 1234; // decimal number		$a = 1234; // decimal number

68.205.10.134: /* Union types */

2024-03-30T04:37:19Z

Union types

← Previous revision		Revision as of 04:37, 30 March 2024
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	Union types were introduced in PHP 8.0<ref>[https://wiki.php.net/rfc/union_types_v2 PHP RFC: Union Types 2.0]</ref>		Union types were introduced in PHP 8.0<ref>[https://wiki.php.net/rfc/union_types_v2 PHP RFC: Union Types 2.0]</ref>
	<syntaxhighlight lang="php">		<syntaxhighlight lang="php">
	function foo(string\|int $foo): string\|int {}		function foo(string\|int $foo): string\|int {}
	</syntaxhighlight>		</syntaxhighlight>

Onel5969: Disambiguating links to Hello World (disambiguation) (link changed to "Hello, World!" program) using DisamAssist.

2024-02-17T09:35:41Z

Disambiguating links to Hello World (disambiguation) (link changed to "Hello, World!" program) using DisamAssist.

← Previous revision		Revision as of 09:35, 17 February 2024
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	=== Simplest program ===		=== Simplest program ===
	{{Main\|"Hello, World!" program}}		{{Main\|"Hello, World!" program}}
	The usual "[[Hello World]]" code example for PHP is:<ref>{{cite web\|accessdate=2008-02-25\|url=http://php.codenewbie.com/articles/php/1485/Hello_World-Page_1.html\|title=Hello World \|publisher=Code Newbie }}</ref>		The usual "[["Hello, World!" program\|Hello World]]" code example for PHP is:<ref>{{cite web\|accessdate=2008-02-25\|url=http://php.codenewbie.com/articles/php/1485/Hello_World-Page_1.html\|title=Hello World \|publisher=Code Newbie }}</ref>

	<syntaxhighlight lang="php">		<syntaxhighlight lang="php">

← Previous revision		Revision as of 14:55, 26 October 2024
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	== See also ==		== See also ==
	* [[Hypertext Markup Language~~]] (HTML~~)		* [[HTML]] (Hypertext Markup Language)
	* [[Web template system]]		* [[Web template system]]

← Previous revision		Revision as of 14:54, 26 October 2024
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	== See also ==		== See also ==
	* [[Hypertext Markup Language]] (HTML)		* [[Hypertext Markup Language]] (HTML)
	* [[~~Template~~ ~~engine~~ ~~(web)~~]]		* [[Web template system]]

	== References ==		== References ==