Loops are used to execute the same block of code again and again, as long as a certain condition is true. In PHP, we have the following loop types: while - loops through a block of code as long as the specified condition is true. do...while - loops through a block of code once, and then repeats the loop as long as the specified condition is ... Aug 1, 2023 · In PHP 5+, objects are passed by reference. This has got me into trouble in the past when I've tried to make arrays of objects. For example, I once wrote something like the following code, thinking that I'd get an array of distinct objects. However, this is wrong. This code will create an array of multiple references to the same object. <?php Internally, PHP itself uses Underscores for variables and functions, camelCase for Methods, and PascalCase for Classes, as stated in this PHP documentation page (userlandnaming.rules), and as spelled out in this PHP coding standards document. That said, various frameworks follow different conventions of their own. – 1. Use `PHP_*` macros in the PHP source, and `ZEND_*` macros in the Zend part of the source. Although the `PHP_*` macros are mostly aliased to the `ZEND_*` macros it gives a better understanding on what kind of macro you're calling. 1. When commenting out code using a `#if` statement, do NOT use `0` only. Instead, use `" _0"`. For example, `#if ... korean-slads. Contribute to regbossgame/korean development by creating an account on GitHub. Oct 22, 2015 · 5 Answers. Variable names follow the same rules as other labels in PHP. A valid variable name starts with a letter or underscore, followed by any number of letters, numbers, or underscores. As a regular expression, it would be expressed thus: ' [a-zA-Z_\x7f-\xff] [a-zA-Z0-9_\x7f-\xff]*'. Nov 12, 2019 · All PHP files with the exception of view/template files have the extension .php. All view/template files have the extension .twig. Line feeds are handled automatically by Git, the repo is managed using LF. When cloning all line feeds will be converted automatically to your native environment (CRLF for Windows, LF for Mac/Linux). PHP Tags May 21, 2020 · What Is a PHP Interface? A PHP interface defines a contract which a class must fulfill. If a PHP class is a blueprint for objects, an interface is a blueprint for classes. Any class implementing a given interface can be expected to have the same behavior in terms of what can be called, how it can be called, and what will be returned. Jul 17, 2013 · Not sure about this, because we can embed php code into html files and it works fine, even if file extension is .html. Then the server is probably configured to send all files to the PHP module even if the extension is not .php. It's a general server configuration, but if your extension is .html and that config is not set up, the embedded PHP ... These PHP coding standards are intended for the WordPress community as a whole. They are mandatory for WordPress Core and we encourage you to use them for your themes and plugins as well. While themes and plugins may choose to follow a different coding style, these coding standards are not just about code style, but also encompass established ... Discover the best noimg websites created by professional designers. Get inspired and start planning your perfect noimg web design today! Join over 500,000 designers building professional, responsive websites in Webflow. Java Naming Convention. Java naming convention is a rule to follow as you decide what to name your identifiers such as class, package, variable, constant, method, etc. But, it is not forced to follow. So, it is known as convention not rule. These conventions are suggested by several Java communities such as Sun Microsystems and Netscape. 10. What you propose is essentially changing signatures to many existing functions. Think for a minute what effect that would have on existing code. Now suppose PHP group have released PHP version N that changes signatures of 30% of the functions. Now imagine you have to write code that runs on both PHP v.N and PHP v. May 10, 2021 · この記事では、WordPress（ワードプレス）の投稿ページのテンプレートファイルの作成方法とその見本を紹介します。WordPressではデフォルトで「投稿」と名前の投稿機能が付いています。しかしこの「投稿」から作成したコンテンツを表示させるにはsingle.phpが必要で、その中に「投稿」を取得 ... Aug 1, 2023 · Tips ¶. Tips. ¶. In order to write future-proof code, it is recommended that you don't place many variables, functions or classes in the global namespace. This will prevent naming conflicts with 3rd party code as well as possible future additions to the language. One common way to prevent naming conflicts of functions and classes is to add ... Sep 10, 2017 · There's nothing about naming a file. Use whatever you want. – Rajesh Paudel. Sep 10, 2017 at 11:02. Add a comment. 1. Just follow the PSR-4. The terminating class name corresponds to a file name ending in .php. The file name MUST match the case of the terminating class name. At the start of the 2023 Mountain East Conference Track and Field Championships, FSU held a dedication ceremony officially naming the track at Bobcat Stadium in honor of a pair of former coaches – Dr. Robert W. Lewis and Dr. Charles H. Hircock – and their astounding careers and contributions to the track and field programs. “We believe ... Jul 5, 2014 · A 50%+1 (simple majority) vote with two options, “PHP 6” and “PHP 7”, is proposed. If more votes are for PHP 6, that shall be the name of the next major release of PHP. Otherwise, if more of votes are for PHP 7, that shall be its name. Voting started 2014-07-20 but was cancelled. Voting restarted 2014-07-23 afresh and ended 2014-07-30. These PHP coding standards are intended for the WordPress community as a whole. They are mandatory for WordPress Core and we encourage you to use them for your themes and plugins as well. While themes and plugins may choose to follow a different coding style, these coding standards are not just about code style, but also encompass established ... Mar 17, 2023 · In this example, we will be using a const construct to define a constant named TEXT. We have used const followed by the name of the constant and then the value. It can be assigned a value using an assignment operator =. Once we have defined the constant, to access the defined constant TEXT, we will echo the name with the constant keyword, as ... Static functions, by definition, cannot and do not depend on any instance properties of the class. That is, they do not require an instance of the class to execute (and so can be executed. In some sense, this means that the function doesn't (and will never need to) depend on members or methods (public or private) of the class. PHP DocFile::noimg - 1 examples found. These are the top rated real world PHP examples of DocFile::noimg extracted from open source projects. You can rate examples to help us improve the quality of examples. Mar 15, 2022 · Click on the Advanced system settings link in the left column. From the System Properties window, click on the Advanced tab, and then click on the Environment Variables button at the bottom. Select the Path variable from the System Variables section, and then click on Edit. Add: c:\php to your system path. May 6, 2021 · 以上が「WordPressでカテゴリー毎に色分けをする方法（スラッグをclassにする方法）」でした。. この色分け手法を使えばカテゴリー毎の振り分けなんかで分かりやすいデザインになるかと思います。. この記事では、WordPressサイトで、jQueryとPHPを使用して以下 ... Jun 3, 2017 · The current rule is: Classes should be given descriptive names. Avoid using abbreviations where possible. Each word in the class name should start with a capital letter, without underscore delimiters (CamelCaps starting with a capital letter). The class name should be prefixed with the name of the 'parent set' (e.g. the name of the extension):: Personally I use the following: first part of the variable is for what it is. second part is for what it does/is used for. and for variables needed outside the function, class, etc. the third part is for the function, class, etc. it comes from. Ex: I want to name the variable for a video thumbnail on the front page: Nov 13, 2010 · The new namespacing in PHP 5.3+ helps more in achieving this. You can have some guidelines for this at Zend Coding Standards - File Naming and at PSR-0 Standard Proposal . Other than that, you'd better constantly keep the future in your mind and plan your folder structure accordingly. Aug 22, 2022 · When to Use Each Naming Convention. Now, based on the language you're working on and what you're naming, the preferred case type can change. For example, according to the PEP 8 – Style Guide for Python Code, variable and function names should use snake case: user_name = 'Farhan' def reverse_name(name): return name[::-1] Feb 8, 2020 · Naming my classes and class folders in PHP project. I am working on an (PHP) application where users have so called workspaces. A workspace is a folder with a specific structure and bunch of specific files - user information and some workspace metadata is stored in the DB. To separate the concerns I split all classes into those which access the ... Personally I use the following: first part of the variable is for what it is. second part is for what it does/is used for. and for variables needed outside the function, class, etc. the third part is for the function, class, etc. it comes from. Ex: I want to name the variable for a video thumbnail on the front page: 1. Use `PHP_*` macros in the PHP source, and `ZEND_*` macros in the Zend part of the source. Although the `PHP_*` macros are mostly aliased to the `ZEND_*` macros it gives a better understanding on what kind of macro you're calling. 1. When commenting out code using a `#if` statement, do NOT use `0` only. Instead, use `" _0"`. For example, `#if ... Dec 24, 2019 · Once upon a time, at a conference, the lead developers from a selection of frameworks sat down in the same room and agreed some standards for all their projects to use. The aim was to make PHP frameworks and libraries easier to combine for users. That is when php-fig: the PHP Framework Interop Group was born. This group of awesome individuals oversee the PHP Standards Recommendations (PSRs). Aug 13, 2023 · View Add Comment Developer Edit. [2007-03-16 16:44 UTC] nick dot telford at gmail dot com. Description: ------------ When declaring two functions in a class (methods) non-static and static functions may not use the same names. While I understand this, this is essentially wrong since static methods and non-static methods are entirely different. The process comes down to: Determining the type of compound you are working with. Applying the rules for naming or formula writing for that type of compound. Practicing until it becomes second nature. There are two main learning tasks: Naming ions and chemical compounds. Writing formulas for ions and chemical compounds. Jun 15, 2016 · Say you using MySQL as the database and name a table FooBar. Now the client wants to switch to PostgreSQL as an alternative database, this causes your table name to become a problem since postgres uses lower case naming or wrapped in double quotes. MySQL query syntax: SELECT * FROM FooBar. Postgres query syntax: At the start of the 2023 Mountain East Conference Track and Field Championships, FSU held a dedication ceremony officially naming the track at Bobcat Stadium in honor of a pair of former coaches – Dr. Robert W. Lewis and Dr. Charles H. Hircock – and their astounding careers and contributions to the track and field programs. “We believe ... Dec 24, 2019 · Once upon a time, at a conference, the lead developers from a selection of frameworks sat down in the same room and agreed some standards for all their projects to use. The aim was to make PHP frameworks and libraries easier to combine for users. That is when php-fig: the PHP Framework Interop Group was born. This group of awesome individuals oversee the PHP Standards Recommendations (PSRs). Mar 17, 2023 · In this example, we will be using a const construct to define a constant named TEXT. We have used const followed by the name of the constant and then the value. It can be assigned a value using an assignment operator =. Once we have defined the constant, to access the defined constant TEXT, we will echo the name with the constant keyword, as ... Feb 8, 2020 · Naming my classes and class folders in PHP project. I am working on an (PHP) application where users have so called workspaces. A workspace is a folder with a specific structure and bunch of specific files - user information and some workspace metadata is stored in the DB. To separate the concerns I split all classes into those which access the ... Aug 20, 2010 · I was wondering what is better or more accepted when coding in PHP. I was taught, in Java, that class methods to get and set variables should be prefixed with "get" and "set". What I want to know, though, is should I use these prefixes on regular PHP functions. For example, to retrieve a username from a session variable I would either have Sep 10, 2012 · So I say, two best practices: make sure you limit scope of your cookies to the path where they are read and written, (third argument of setcookie () method does this) give your cookies some sort of cookie-specific naming convention. I suggest reverse website, like java namespaces, then ".". {appname}.".". Aug 20, 2010 · I was wondering what is better or more accepted when coding in PHP. I was taught, in Java, that class methods to get and set variables should be prefixed with "get" and "set". What I want to know, though, is should I use these prefixes on regular PHP functions. For example, to retrieve a username from a session variable I would either have Seriously, use tempnam().Yes, this creates the file, but this is a very intentional security measure designed to prevent another process on your system from "stealing" your filename and causing your process to overwrite files you don't want. These PHP coding standards are intended for the WordPress community as a whole. They are mandatory for WordPress Core and we encourage you to use them for your themes and plugins as well. While themes and plugins may choose to follow a different coding style, these coding standards are not just about code style, but also encompass established ... May 6, 2021 · 以上が「WordPressでカテゴリー毎に色分けをする方法（スラッグをclassにする方法）」でした。. この色分け手法を使えばカテゴリー毎の振り分けなんかで分かりやすいデザインになるかと思います。. この記事では、WordPressサイトで、jQueryとPHPを使用して以下 ... Mar 17, 2023 · In this example, we will be using a const construct to define a constant named TEXT. We have used const followed by the name of the constant and then the value. It can be assigned a value using an assignment operator =. Once we have defined the constant, to access the defined constant TEXT, we will echo the name with the constant keyword, as ... Jul 17, 2013 · Not sure about this, because we can embed php code into html files and it works fine, even if file extension is .html. Then the server is probably configured to send all files to the PHP module even if the extension is not .php. It's a general server configuration, but if your extension is .html and that config is not set up, the embedded PHP ... Loops are used to execute the same block of code again and again, as long as a certain condition is true. In PHP, we have the following loop types: while - loops through a block of code as long as the specified condition is true. do...while - loops through a block of code once, and then repeats the loop as long as the specified condition is ... Sep 10, 2012 · So I say, two best practices: make sure you limit scope of your cookies to the path where they are read and written, (third argument of setcookie () method does this) give your cookies some sort of cookie-specific naming convention. I suggest reverse website, like java namespaces, then ".". {appname}.".". php artisan make:controller PhotoController--model=Photo--resource Generating Form Requests You may provide the --requests option when generating a resource controller to instruct Artisan to generate form request classes for the controller's storage and update methods: Static functions, by definition, cannot and do not depend on any instance properties of the class. That is, they do not require an instance of the class to execute (and so can be executed. In some sense, this means that the function doesn't (and will never need to) depend on members or methods (public or private) of the class. Aug 1, 2023 · Using namespaces: Basics. ¶. (PHP 5 >= 5.3.0, PHP 7, PHP 8) Before discussing the use of namespaces, it is important to understand how PHP knows which namespaced element your code is requesting. A simple analogy can be made between PHP namespaces and a filesystem. There are three ways to access a file in a file system: 10. What you propose is essentially changing signatures to many existing functions. Think for a minute what effect that would have on existing code. Now suppose PHP group have released PHP version N that changes signatures of 30% of the functions. Now imagine you have to write code that runs on both PHP v.N and PHP v. PHP - Required Fields. From the validation rules table on the previous page, we see that the "Name", "E-mail", and "Gender" fields are required. These fields cannot be empty and must be filled out in the HTML form. Required. + Must contain a valid email address (with @ and .) Optional. The RFC used `Suit::Hearts` very very deliberately, as that is the format one should use. ALLCAPS is actually harder to read (studies on this are old and well established). Whenever FIG gets around to updating its coding standard recommendations, I'm going to insist that be the format used. Signed, one of the authors of the Enum RFC. There are many instances in which the alt attribute for the img element does not cut it. Instead of simple, plain text, it is often necessary to have that alt text play a meaningful, structural part of the web page. This is the inspiration for the proposed noimg element, a counterpart to the noscript element. Jun 15, 2011 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Nov 12, 2019 · All PHP files with the exception of view/template files have the extension .php. All view/template files have the extension .twig. Line feeds are handled automatically by Git, the repo is managed using LF. When cloning all line feeds will be converted automatically to your native environment (CRLF for Windows, LF for Mac/Linux). PHP Tags Static functions, by definition, cannot and do not depend on any instance properties of the class. That is, they do not require an instance of the class to execute (and so can be executed. In some sense, this means that the function doesn't (and will never need to) depend on members or methods (public or private) of the class. 1. Use `PHP_*` macros in the PHP source, and `ZEND_*` macros in the Zend part of the source. Although the `PHP_*` macros are mostly aliased to the `ZEND_*` macros it gives a better understanding on what kind of macro you're calling. 1. When commenting out code using a `#if` statement, do NOT use `0` only. Instead, use `" _0"`. For example, `#if ... Jul 23, 2020 · PHP 8: named arguments. It was a close call, but named arguments — also called named parameters — are supported in PHP 8! In this post I'll discuss their ins and outs, but let me show you first what they look like with a few examples in the wild: setcookie ( name: 'test', expires: time + 60 * 60 * 2, ); Dec 24, 2019 · Once upon a time, at a conference, the lead developers from a selection of frameworks sat down in the same room and agreed some standards for all their projects to use. The aim was to make PHP frameworks and libraries easier to combine for users. That is when php-fig: the PHP Framework Interop Group was born. This group of awesome individuals oversee the PHP Standards Recommendations (PSRs). Aug 22, 2022 · When to Use Each Naming Convention. Now, based on the language you're working on and what you're naming, the preferred case type can change. For example, according to the PEP 8 – Style Guide for Python Code, variable and function names should use snake case: user_name = 'Farhan' def reverse_name(name): return name[::-1] Nov 12, 2019 · All PHP files with the exception of view/template files have the extension .php. All view/template files have the extension .twig. Line feeds are handled automatically by Git, the repo is managed using LF. When cloning all line feeds will be converted automatically to your native environment (CRLF for Windows, LF for Mac/Linux). PHP Tags PHP Coding Guidelines & Best Practices. Coding Standards are an important factor for achieving a high code quality. A common visual style, naming conventions and other technical settings allow us to produce a homogenous code which is easy to read and maintain. However, not all important factors can be covered by rules and coding standards. 10. What you propose is essentially changing signatures to many existing functions. Think for a minute what effect that would have on existing code. Now suppose PHP group have released PHP version N that changes signatures of 30% of the functions. Now imagine you have to write code that runs on both PHP v.N and PHP v. All variables in PHP are denoted with a leading dollar sign ($). The value of a variable is the value of its most recent assignment. Variables are assigned with the = operator, with the variable on the left-hand side and the expression to be evaluated on the right. Variables can but do not need to be declared before assignment. PHP - Required Fields. From the validation rules table on the previous page, we see that the "Name", "E-mail", and "Gender" fields are required. These fields cannot be empty and must be filled out in the HTML form. Required. + Must contain a valid email address (with @ and .) Optional. PHP 8.0: Named Parameters. Version 8.0. Type New Feature. PHP 8.0 supports optionally calling functions and class methods by specifying the parameter name, instead of calling them on the order of parameters that they are declared. PHP, and many other programming languages, support positional parameters: The caller passes the parameters in the ... All variables in PHP are denoted with a leading dollar sign ($). The value of a variable is the value of its most recent assignment. Variables are assigned with the = operator, with the variable on the left-hand side and the expression to be evaluated on the right. Variables can but do not need to be declared before assignment. Nov 13, 2010 · The new namespacing in PHP 5.3+ helps more in achieving this. You can have some guidelines for this at Zend Coding Standards - File Naming and at PSR-0 Standard Proposal . Other than that, you'd better constantly keep the future in your mind and plan your folder structure accordingly. Apr 18, 2013 · So far, I've seen many different naming conventions used for PHP namespaces. Some people use PascalCase\Just\Like\For\Classes, some use underscored\lower_case ames, some even use the Java convention for package names: com\domain\project\package. The question is very simple -- can any of these (or other) conventions be called well-established? PHP Variables. In PHP, a variable is declared using a $ sign followed by the variable name. Here, some important points to know about variables: As PHP is a loosely typed language, so we do not need to declare the data types of the variables. PHP User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function. 10. What you propose is essentially changing signatures to many existing functions. Think for a minute what effect that would have on existing code. Now suppose PHP group have released PHP version N that changes signatures of 30% of the functions. Now imagine you have to write code that runs on both PHP v.N and PHP v. All variables in PHP are denoted with a leading dollar sign ($). The value of a variable is the value of its most recent assignment. Variables are assigned with the = operator, with the variable on the left-hand side and the expression to be evaluated on the right. Variables can but do not need to be declared before assignment. At the start of the 2023 Mountain East Conference Track and Field Championships, FSU held a dedication ceremony officially naming the track at Bobcat Stadium in honor of a pair of former coaches – Dr. Robert W. Lewis and Dr. Charles H. Hircock – and their astounding careers and contributions to the track and field programs. “We believe ...
This approach includes preventing prefixes that clash with PHP or are likely to. Apart from constants, prevent underscores in your names unless you simulate namespaces and are sure you can switch to real namespaces once PHP has them (and of course for object variables). Following this, class and method names would be PascalCased. . Keezmovies.com
Internally, PHP itself uses Underscores for variables and functions, camelCase for Methods, and PascalCase for Classes, as stated in this PHP documentation page (userlandnaming.rules), and as spelled out in this PHP coding standards document. That said, various frameworks follow different conventions of their own. – May 6, 2021 · 以上が「WordPressでカテゴリー毎に色分けをする方法（スラッグをclassにする方法）」でした。. この色分け手法を使えばカテゴリー毎の振り分けなんかで分かりやすいデザインになるかと思います。. この記事では、WordPressサイトで、jQueryとPHPを使用して以下 ... When you follow the Interface Segregation Principle you will have many small classes and interfaces. That makes Traits an ideal candidate for the things you mentioned, e.g. crosscutting concerns, but not to compose objects (in a structual sense). In our Logger example above, the trait is completely isolated. Making your Code Follow the Coding Standards. Instead of reviewing your code manually, Symfony makes it simple to ensure that your contributed code matches the expected code syntax. First, install the PHP CS Fixer tool and then, run this command to fix any problem: $ cd your-project/ $ php php-cs-fixer.phar fix -v. It is possible that I was doing something wrong in the way I was using dynamic object properties. It is also possible that my configuration is broken in some way. Of course, I should say that I have a very plain vanilla PHP configuration on my machine. It is possible that I was doing something wrong in the way I was using dynamic object properties. It is also possible that my configuration is broken in some way. Of course, I should say that I have a very plain vanilla PHP configuration on my machine. May 21, 2020 · What Is a PHP Interface? A PHP interface defines a contract which a class must fulfill. If a PHP class is a blueprint for objects, an interface is a blueprint for classes. Any class implementing a given interface can be expected to have the same behavior in terms of what can be called, how it can be called, and what will be returned. Feb 8, 2020 · Naming my classes and class folders in PHP project. I am working on an (PHP) application where users have so called workspaces. A workspace is a folder with a specific structure and bunch of specific files - user information and some workspace metadata is stored in the DB. To separate the concerns I split all classes into those which access the ... Java Naming Convention. Java naming convention is a rule to follow as you decide what to name your identifiers such as class, package, variable, constant, method, etc. But, it is not forced to follow. So, it is known as convention not rule. These conventions are suggested by several Java communities such as Sun Microsystems and Netscape. Jul 5, 2014 · A 50%+1 (simple majority) vote with two options, “PHP 6” and “PHP 7”, is proposed. If more votes are for PHP 6, that shall be the name of the next major release of PHP. Otherwise, if more of votes are for PHP 7, that shall be its name. Voting started 2014-07-20 but was cancelled. Voting restarted 2014-07-23 afresh and ended 2014-07-30. Static functions, by definition, cannot and do not depend on any instance properties of the class. That is, they do not require an instance of the class to execute (and so can be executed. In some sense, this means that the function doesn't (and will never need to) depend on members or methods (public or private) of the class. These PHP coding standards are intended for the WordPress community as a whole. They are mandatory for WordPress Core and we encourage you to use them for your themes and plugins as well. While themes and plugins may choose to follow a different coding style, these coding standards are not just about code style, but also encompass established ... php artisan make:controller PhotoController--model=Photo--resource Generating Form Requests You may provide the --requests option when generating a resource controller to instruct Artisan to generate form request classes for the controller's storage and update methods: GitHub Gist: instantly share code, notes, and snippets. Feb 8, 2020 · Naming my classes and class folders in PHP project. I am working on an (PHP) application where users have so called workspaces. A workspace is a folder with a specific structure and bunch of specific files - user information and some workspace metadata is stored in the DB. To separate the concerns I split all classes into those which access the ... Internally, PHP itself uses Underscores for variables and functions, camelCase for Methods, and PascalCase for Classes, as stated in this PHP documentation page (userlandnaming.rules), and as spelled out in this PHP coding standards document. That said, various frameworks follow different conventions of their own. – Personally I use the following: first part of the variable is for what it is. second part is for what it does/is used for. and for variables needed outside the function, class, etc. the third part is for the function, class, etc. it comes from. Ex: I want to name the variable for a video thumbnail on the front page: It is possible that I was doing something wrong in the way I was using dynamic object properties. It is also possible that my configuration is broken in some way. Of course, I should say that I have a very plain vanilla PHP configuration on my machine. There are many instances in which the alt attribute for the img element does not cut it. Instead of simple, plain text, it is often necessary to have that alt text play a meaningful, structural part of the web page. This is the inspiration for the proposed noimg element, a counterpart to the noscript element. At the start of the 2023 Mountain East Conference Track and Field Championships, FSU held a dedication ceremony officially naming the track at Bobcat Stadium in honor of a pair of former coaches – Dr. Robert W. Lewis and Dr. Charles H. Hircock – and their astounding careers and contributions to the track and field programs. “We believe ... Loops are used to execute the same block of code again and again, as long as a certain condition is true. In PHP, we have the following loop types: while - loops through a block of code as long as the specified condition is true. do...while - loops through a block of code once, and then repeats the loop as long as the specified condition is ... .