A simple library containing a set of PHP helper methods, constants, and classes.

composer i
cp .rc.example .rc
cp .test.example .test
source .rc

Now, you can type devt in the terminal to run a simple local command-line test with Symfony-style output:

true # the result of Date::isLeapYear(2024);

Generates a random Base62 string with variable length controlled by the parameter.

Converts a decimal number to a Base62 number string.

Converts a Base62 number string to a decimal number string.

Encodes the input string to a URL-safe Base64 format.

Decodes a URL-safe Base64 string back to its original value.

Encrypts the input string using a public key.

Decrypts the input string using a private key.

Validate a datetime string in 'Y-m-d H:i:s' format, including BCE years.

Determine if a year is a leap year.

Validate if a given date is legal.

Validate if a given time is legal.

Validate the validity of an email address (as closely as possible to RFC 5322 and RFC 6531 standards).

Convert Excel column letters to a number.

Convert a number to Excel column letters.

Generates a GUID.

Checks if a given GUID is valid.

Encode a given data into JSON format with special characters and slashes unescaped.

Pretty print a given data into JSON format with special characters and slashes unescaped.

Generates a key pair of private and public keys.

Generate a Base62 TGUID with additional padding to meet 42 characters.
42, the Answer to the Ultimate Question of Life, The Universe, and Everything!

Generate a UUID by combining uniqid and a standard GUID.

Generate a GUID in Base62 encoding.

Generate a TGUID in Base62 encoding.

Convert a Base62 TGUID to a UTC datetime.

Convert a datetime string into a Base62 number string just like the first 10 characters of a TGUID.