How to Convert Sentence Case String in PHP

Learn how to capitalize each word in a string in PHP, especially after commas. This guide provides a clear solution with code examples!
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How to Convert Sentence Case String in PHP

As a PHP developer, you may often run into the need to format strings for better readability. One common formatting requirement is to convert a sentence case string so that each word is capitalized appropriately, especially when words are separated by commas. In this guide, we'll explore how to achieve this using PHP.

The Problem

Imagine you have a variable that contains a string such as:

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You want to convert it so that each word starts with an uppercase letter, leading to the desired output:

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This task can be particularly useful when displaying strings in a user interface, making them more visually appealing and easier to read.

The Solution

To accomplish the task of converting a string into sentence case in PHP, we'll use a combination of built-in functions. Here’s how to do it step-by-step:

Step 1: Lowercase the Entire String

First, we want to ensure that the string is in lowercase. This ensures that we only capitalize the first letter of each word. This can be done using the strtolower() function:

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Step 2: Capitalize Each Word After a Comma

Next, we'll capitalize the first letter of each word. To do this, we use the ucwords() function. However, since we are dealing with a specific delimiter (commas in this case), we need to extend the function slightly.

Here’s the complete code:

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Additional Step: Update with Spaces

Make sure to include the appropriate spacing after the commas. The ucwords() function allows us to specify additional characters as delimiters, which can include both the comma and space:

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This will produce the output we’re looking for:

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Conclusion

By following the steps outlined in this guide, you can easily convert a sentence case string in PHP. This technique is straightforward and leverages PHP's built-in string manipulation functions to ensure your output is both clean and organized.

Now you're equipped to enhance your strings and improve the visual aspect of your web applications. Happy coding!