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PHP Fatal error: Array and string offset access syntax with curly braces is no longer supported

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  • 19 April 2023 12:20 PM

PHP is a popular server-side scripting language that is widely used for web development. However, when upgrading to PHP 8.1.17, developers may encounter an error message that reads, "Array and string offset access syntax with curly braces is no longer supported". In this article, we will explore the reasons for this error, and provide remedies and fixes for it.

 

Reasons for the Error

The curly brace syntax for accessing array and string offsets has been deprecated in PHP 7.4 and removed entirely in PHP 8.1.17. This means that if your code uses this syntax, it will throw an error when run on PHP 8.1.17. The reason for this change is that the curly brace syntax is less readable and less intuitive than the square bracket syntax, which is the preferred way of accessing array and string offsets in PHP.

 

Remedies

To avoid this error, developers should avoid using the curly brace syntax for accessing array and string offsets. Instead, they should use the square bracket syntax. This is not only the preferred syntax in PHP 8.1.17, but it is also more readable and easier to understand.

 

Here is an example of code that uses the curly brace syntax:

 
$array = ['foo', 'bar'];
echo $array{'0'};

 

And here is the same code, using the square bracket syntax:

$array = ['foo', 'bar']; 
echo $array[0];

 

Fixes

If you have code that uses the curly brace syntax, you will need to modify it to use the square bracket syntax. This can be a time-consuming process, depending on the size of your codebase.


The easiest way to fix this error is to use an automated tool like Rector or PHP-CS-Fixer. These tools can automatically modify your code to use the correct syntax, saving you time and effort.

 

Summary

The "Array and string offset access syntax with curly braces is no longer supported" error occurs when developers try to access array and string offsets using curly braces in PHP 8.1.17. This syntax has been deprecated in PHP 7.4 and removed entirely in PHP 8.1.17. To avoid this error, developers should use the square bracket syntax instead.

 

If you have code that uses the curly brace syntax, you will need to modify it to use the square bracket syntax. Automated tools like Rector and PHP-CS-Fixer can help you make this change quickly and easily.


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