PHP is a programming language that has been developed with integrated web development features. The new PHP language features included in 7 allows programmers to improve the speed of their significant web application without deploying additional resources.
Programmers can upgrade to the latest version of server-side scripting language widely used to improve web site loading speed without putting time and extra effort. But web application developers still have to focus on reading and reusing PHP code to maintain and web applications quickly updated in the future.
12 tips for writing clean, easy-to-maintain and reusable PHP code
1) Take advantage of native functions
When writing PHP code, programmers are able to achieve the same goal by using native functions or custom functions. However, developers should take advantage of the built-in functions provided by PHP to perform a variety of tasks without writing additional custom code or functions. Native features further help developers to keep the application code clean and legible. They can easily obtain information about native functions and their use in reference to the use of the PHP manual.
2) Comparison of similar functions
Developers can use native functions to keep PHP code readable and clean. But they should remember that the speed of execution of individual PHP functions is different. In addition, some PHP functions use more resources than others. Therefore, developers should compare similar PHP functions and choose one that does not adversely affect the performance of Web applications and consumes additional resources. For example, you need to determine the length of a string using isset () instead of strlen (). In addition to being faster than strlen (), isset () also remains valid regardless of the existence of variables.
3) PHP Cache scripts more
PHP programmers should remember that the runtime of the script is different from one web server to another. For example, the Apache Web server serves HTML page much faster than PHP scripts. Additionally, you must recompile the PHP script each time the page is requested. Programmers can easily remove the compilation scripting process from caching most scripts. They also have the option of significantly reducing write compile time using a variety of PHP caching development tools. For example, programmers can use memcached to cache a large number of scripts effectively, while reducing database interactions.
4) Execute the code with the conditional ternary operators
It is a common practice among PHP developers to execute code with if / else conditional statements. However, developers have to write additional code to execute a conditional code by the If / Else statement. They can easily avoid writing additional code by executing the code by a conditional ternary operator instead of the if / else statements. The ternary operator helps programmers keep the code clean and smooth write conditional code on a line.
5) Make it a readable and easy to maintain code
Often, programmers are huge to understand and modify code written by others. Therefore, they need more time to maintain and update PHP applications efficiently. While writing PHP code, programmers can easily make the application easier to maintain and update clearly describe the usage and meaning of individual fragments. They can easily make the code readable by adding comments to each snippet of code. Comments will allow other developers to make changes to existing code in the future without putting extra time and effort.
6) Using JSON instead of XML
When working with Web Services, PHP programmers have the ability to use XML and JSON. But you can still enjoy native PHP functions like json_encode () and json_decode () to work with web services faster and more efficiently. They always have the opportunity to work with XML data. Programmers can parse XML data more efficiently using a regular expression instead of manipulating the DOM.
7) Pass references instead of value functions
Experienced PHP programmers never declare new classes and methods only when they become essential. They also explore ways to reuse courses and methods throughout the code. However, they also include the fact that a function can be manipulated quickly by passing references instead of values. In addition, they can avoid adding additional overhead by passing references to the function instead of the values. However, they must always ensure that the logic remains unchanged by referencing the functions.
8) Run the error reports in development mode
Developers must identify and repair any errors or defects in the PHP code during the development process. They must also take extra time and effort to correct coding errors and problems identified during the testing process. Programmers simply define the report error at E_ALL to identify minor and major errors in the PHP code during the development process. However, they must disable the error reporting option when the application changes from the development mode to the production mode.
9) Replace the quotes with simple quotes
While writing PHP code, programmers have the option of using single quotation marks (') or double quotation marks ("), but developers can easily improve the performance of the PHP application by using single quotation marks instead Double quotation marks The unique code will increase the speed of loop execution drastically as well as the single quotation allows programmers to print longer lines of information more efficiently, but developers need to make changes To PHP code while using single quotation marks instead of quotation marks quotes.
10) Avoid using wildcards in SQL queries
PHP programmers often use wildcards or * to keep SQL queries compact and simple. But the use of wildcards can directly affect the performance of the Web application if the database has a higher number of columns. Programmers must mention the columns required specifically in the SQL query to keep the data secure and reduce resource consumption.
11) Avoid running looping database queries
PHP programmers can easily improve the performance of the Web application by not running looping database queries. They also have a number of options to get the same results without running loop database queries. For example, developers can use a robust WordPress plug-in, such as Query Monitor, to display queries in the database and the rows that they affect. They can even use the debugging plug-in to identify slow, duplicated, and erroneous database queries.
12) Never entrust user input
Intelligent PHP programmers keep the Web application secure by never entrusting user-supplied inputs. They check, filter and disintegrate all user information to protect the application from various security threats. They can prevent users from submitting inappropriate or invalid data by using built-in functions like filter_var (). The function will check the appropriate values when receiving or processing the user input.
However, it is also important for web developers to choose the right PHP framework and development tool. At present, each programmer has the option to choose from a wide range of open source PHP frameworks, including Laravel, Symfony, CakePHP, Yii, CodeIgniter and Zend. Therefore, it becomes essential for programmers to choose a PHP that complements all the needs of a project. They must also combine a multiple PHP development tool to dramatically reduce development time and make the web application maintainable.
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