Three simple steps
How to use this tool?
This free online converter translates PHP source code into C# in three simple steps.
- Step 1
Add your PHP code
Type, paste, or upload the PHP code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into C#.
- Step 3
Review the result
Review, copy, or download the resulting C# code from the output editor.
See it in action
Examples of PHP to C# conversion
These examples show PHP source code and the corresponding C# translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
PHP code
C# code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
PHP code
C# code
Language comparison
Key differences between PHP and C#
| Characteristic | PHP | C# |
|---|---|---|
| Syntax | PHP syntax is similar to C, C++, and Java. | C# syntax is similar to Java and C++. |
| Paradigm | PHP supports procedural, object-oriented, and functional programming paradigms. | C# supports object-oriented, component-oriented, and functional programming paradigms. |
| Typing | PHP is dynamically typed. | C# is statically typed. |
| Performance | PHP is generally slower than C#. | C# is generally faster than PHP. |
| Libraries and frameworks | PHP has a large number of open-source libraries and frameworks, such as Laravel, Symfony, and CodeIgniter. | C# has a large number of libraries and frameworks, such as .NET Framework, ASP.NET, and Entity Framework. |
| Community and support | PHP has a large and active community with many online resources and forums. | C# has a large and active community with many online resources and forums. |
| Learning curve | PHP has a relatively low learning curve and is easy to get started with. | C# has a steeper learning curve than PHP, but is still relatively easy to learn. |
Common questions
Frequently Asked Questions
How do I convert PHP to C#?
Paste your PHP code into the input box, confirm the languages are set to PHP and C#, and click Convert. CodeConvert AI analyzes your PHP code and generates equivalent C# code in seconds, preserving the original logic and structure.
What are the main differences between PHP and C#?
PHP and C# differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each PHP construct to its closest C# equivalent. See the comparison table below for the key differences between PHP and C#.
Is the converted C# code accurate?
The AI produces high-quality C# code that preserves the behavior of your original PHP code and follows C# conventions. It handles common patterns, data structures, and idioms for both PHP and C#. For large or performance-critical code, review and test the C# output before using it in production.
Can I convert an entire PHP project to C#?
You can convert PHP files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from PHP to C#. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert C# back to PHP?
Yes. CodeConvert AI converts in both directions, so you can convert C# to PHP just as easily using our C# to PHP converter. Try the C# to PHP Converter
Is the PHP to C# converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert PHP to C# without an account for up to 5 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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