Using strtoupper() in PHP to Convert Strings to Uppercase

This article explains how the PHP strtoupper() function converts all alphabetic characters in a string to uppercase, detailing its syntax, parameters, return values, and providing multiple code examples that demonstrate usage with simple strings, multi‑word sentences, and strings containing numbers or special characters.

PHPbackend-developmentstrtoupper

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Using strtoupper() in PHP to Convert Strings to Uppercase

php Courses

Dec 26, 2023 · Backend Development

Using strtoupper() in PHP to Convert Strings to Uppercase

This article explains how to use PHP's strtoupper() function to convert strings to uppercase, covering its syntax, parameters, return values, and multiple code examples demonstrating handling of simple text, multi-word sentences, and strings containing numbers or special characters.

BackendPHPString Manipulation

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php Courses

Sep 7, 2023 · Backend Development

PHP strtoupper() Function: Syntax, Parameters, Return Value, Usage Examples, and Important Notes

This article explains PHP's strtoupper() function, covering its syntax, required string parameter, return value, multiple usage examples—including full string conversion, partial conversion, word capitalization, regex-based conversion, and multibyte handling—along with key considerations such as case sensitivity and non‑letter character behavior.

PHPStringstrtoupper

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PHP strtoupper() Function: Syntax, Parameters, Return Value, Usage Examples, and Important Notes