Check if a value is an integer.
Code
Utilitiesfilter_var($value, FILTER_VALIDATE_INT) !== false ? 'true' : 'false';Parameters
Value to validate.
Server
More PHP Snippets
Check Password Strength
Check if a password meets strength requirements (8+ chars, uppercase, lowercase, number, special).
Is Alpha Only
Check if a string contains only alphabetic characters.
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.