A handful of tools for PHP developers.

Version 2.0.0 is out now. Clear documentation, improved tests and code quality.

In case you want to try it out, run:

php composer.phar require "ilya/belt:~2"

That will add Belt to your project as a Composer dependency.

A little taste of Belt:

use Belt\Belt;

Belt::max([1, 2, 3]) // => 3

Belt::flatten([1, [2, [3]]]) // => [1, 2, 3]

Belt::last([1, 2, 3], 2) // => [2, 3]

• 60+ useful functions that you can use in your projects.
• Belt is fully tested.
• The source code is clean and documented.

Here is what is available to you:

• boolean isDate(mixed $value)
• boolean isNumber(mixed $value)
• boolean isString(mixed $value)
• boolean isFunction(mixed $value)
• boolean isEmpty(mixed $value)
• boolean isEqual(mixed $left, mixed $right)
• boolean isBoolean(mixed $value)
• boolean isObject(mixed $value)
• boolean isArray(mixed $value)
• boolean isTraversable(mixed $value)
• boolean isNull(mixed $value)
• boolean has(mixed $object, string $key)
• array keys(mixed $object)
• array values(mixed $object)
• array methods(mixed $object)
• mixed copy(mixed $value)
• mixed extend(mixed $source, mixed $destination)
• mixed apply(mixed $object, Closure $closure)
• mixed defaults(mixed $object, array|mixed $defaults)
• string escape(string $string)
• string id(string $prefix = '')
• mixed with(mixed $value)
• void times(integer $number, Closure $closure)
• mixed cache(Closure $closure)
• mixed wrap(Closure $closure, Closure $wrapper)
• mixed compose(array $closures, array $arguments = array())
• void once(Closure $closure)
• mixed after(integer $number, Closure $closure)
• mixed|array first(array $elements, integer $amount = 1)
• array initial(array $elements, integer $amount = 1)
• array rest(array $elements, integer $index = 1)
• mixed|array last(array $elements, integer $amount = 1)
• array pack(array $elements)
• array flatten(array $elements)
• array range(integer $to, integer $from = 0, integer $step = 1)
• array difference(array $one, array $another)
• array unique(array $elements, Closure $iterator = null)
• array without(array $elements, array $ignore)
• array zip(array $one, array $another)
• integer indexOf(array $elements, mixed $element)
• array intersection(array $one, array $another)
• array union(array $one, array $another)
• void each(array $collection, Closure $iterator)
• array map(array $collection, Closure $iterator)
• array toArray(mixed $value)
• integer|null size(array|Countable $value)
• array shuffle(array $collection)
• boolean any(array $collection, Closure $iterator)
• boolean all(array $collection, Closure $iterator)
• array reject(array $collection, Closure $iterator)
• array pluck(array $collection, string $key)
• boolean contains(array $collection, mixed $value)
• array invoke(array $collection, string $function)
• mixed reduce(array $collection, Closure $iterator, mixed $initial = 0)
• array sortBy(array $collection, Closure $iterator)
• array groupBy(array $collection, Closure $iterator)
• mixed max(array $collection)
• mixed min(array $collection)

• Add PHP 5.6 support - leverage variadic functions.

• Collections [done]
  • each [done]
  • map [done]
  • reduce [done]
  • max [done]
  • min [done]
  • size [node]
  • toArray [done]
  • groupBy [done]
  • sortBy [done]
  • shuffle [done]
  • all [done]
  • any [done]
  • pluck [done]
  • contains [done]
  • invoke [done]
  • reject [done]
• Arrays [done]
  • first [done]
  • initial [done]
  • rest [done]
  • last [done]
  • pack [done]
  • flatten [done]
  • without [done]
  • unique [done]
  • union [done]
  • difference [done]
  • zip [done]
  • intersection [done]
  • range [done]
  • indexOf [done]
• Functions [done]
  • cache [done]
  • once [done]
  • wrap [done]
  • after [done]
  • compose [done]
• Objects [done]
  • keys [done]
  • values [done]
  • copy [done]
  • extend [done]
  • defaults [done]
  • methods [done]
  • apply [done]
  • has [done]
  • isEqual [done]
  • isEmpty [done]
  • isObject [done]
  • isArray [done]
  • isTraversable [done]
  • isFunction [done]
  • isString [done]
  • isNumber [done]
  • isBoolean [done]
  • isDate [done]
  • isNull [done]
• Utilities [done]
  • with [done]
  • times [done]
  • id [done]
  • escape [done]

Belt is licensed under the MIT license.