Check if a string contains only alphabetic characters.
Code
Generalctype_alpha($str) ? 'true' : 'false';Parameters
The string to check
Server
More PHP Snippets
Check Password Strength
Check if a password meets strength requirements (8+ chars, uppercase, lowercase, number, special).
Is Alphanumeric
Check if a string contains only letters and numbers.
Is Empty
Check if a value is empty (null, empty string, array, or object).
Is Numeric
Check if a string represents a valid number.
Validate Email
Check if a string is a valid email address.
Validate Hex Color
Check if a string is a valid hex color code.