Search results for: "uppercase"

How can one check if a string contains uppercase characters in PHP?

To check if a string contains uppercase characters in PHP, you can use the `preg_match` function with a regular expression pattern that matches upperc...

What is the issue with uppercase umlauts when using strtoupper in PHP?

When using strtoupper in PHP to convert a string to uppercase, uppercase umlauts (such as Ü) may not be converted correctly. This is because strtouppe...

How can you check if a text variable contains uppercase letters in PHP?

To check if a text variable contains uppercase letters in PHP, you can use the `preg_match` function with a regular expression pattern that matches up...

What PHP function can be used to output input in uppercase letters?

To output input in uppercase letters in PHP, you can use the strtoupper() function. This function takes a string as input and returns the string with...

How can PHP be used to convert lowercase letters in a hash to uppercase letters?

To convert lowercase letters in a hash to uppercase letters in PHP, you can use the strtoupper() function to convert the entire string to uppercase. T...