String Expression Language

This package extends the ExpressionLanguage component of Symfony to compile and evaluate arrays with custom functions.

Installation

composer require php-etl/string-expression-language

Usage

You can use these expressions in your configuration files as in the following example :

foo: '@=format("%s", "output")'

List of available functions

Generic functions

• format(string $format, mixed ...$values) : string => Return a formatted string
• trim(string $string, string $characters = " \n\r\t\v\x00") : string => Strip whitespace (or other characters) from the beginning and end of a string
• capitalize(string $string) : string => Make a string's first character uppercase
• toLowerCase(string $string) : string => Make a string lowercase
• search(string $string, int $offset, ?int $length = null) : string => Return part of a string
• toUpperCase(string $string) : string => Make a string uppercase
• fileName(string $string) : string => Returns information about a file path
• dateTime(string $string) : string => Returns new DateTimeImmutable object formatted according to the specified format
• formatDate(string $string) : string => Returns date formatted according to given format
• indexOf(string $haystack, string $needle, int $offset) : int|false => Find the position of the first occurrence of a substring in a string
• truncate(string $string, int $limit) : string => Truncates the string and adds "…" at the end, if the string is longer than the limit