A curated collection of useful PHP snippets.

This package requires PHP 7.2 or higher.

You can install the package via composer:

composer require baka/support

The package will automatically register itself.

Returns true if the provided function returns true for all elements of an array, false otherwise.

all([2, 3, 4, 5], function ($item) {
    return $item > 1;
}); // true

Returns true if the provided function returns true for at least one element of an array, false otherwise.

any([1, 2, 3, 4], function ($item) {
    return $item < 2;
}); // true

Deep flattens an array.

deepFlatten([1, [2], [[3], 4], 5]); // [1, 2, 3, 4, 5]

Returns a new array with n elements removed from the left.

drop([1, 2, 3]); // [2,3]
drop([1, 2, 3], 2); // [3]

Returns the last element for which the provided function returns a truthy value.

findLast([1, 2, 3, 4], function ($n) {
    return ($n % 2) === 1;
});
// 3

Returns the index of the last element for which the provided function returns a truthy value.

findLastIndex([1, 2, 3, 4], function ($n) {
    return ($n % 2) === 1;
});
// 2

Flattens an array up to the one level depth.

flatten([1, [2], 3, 4]); // [1, 2, 3, 4]

Groups the elements of an array based on the given function.

groupBy(['one', 'two', 'three'], 'strlen'); // [3 => ['one', 'two'], 5 => ['three']]

Checks a flat list for duplicate values. Returns true if duplicate values exists and false if values are all unique.

hasDuplicates([1, 2, 3, 4, 5, 5]); // true

Returns the head of a list.

head([1, 2, 3]); // 1

Returns the last element in an array.

last([1, 2, 3]); // 3

Retrieves all of the values for a given key:

pluck([
    ['product_id' => 'prod-100', 'name' => 'Desk'],
    ['product_id' => 'prod-200', 'name' => 'Chair'],
], 'name');
// ['Desk', 'Chair']

Mutates the original array to filter out the values specified.

$items = ['a', 'b', 'c', 'a', 'b', 'c'];
pull($items, 'a', 'c'); // $items will be ['b', 'b']

Filters the collection using the given callback.

reject(['Apple', 'Pear', 'Kiwi', 'Banana'], function ($item) {
    return strlen($item) > 4;
}); // ['Pear', 'Kiwi']

Removes elements from an array for which the given function returns false.

remove([1, 2, 3, 4], function ($n) {
    return ($n % 2) === 0;
});
// [0 => 1, 2 => 3]

Returns all elements in an array except for the first one.

tail([1, 2, 3]); // [2, 3]

Returns an array with n elements removed from the beginning.

take([1, 2, 3], 5); // [1, 2, 3]
take([1, 2, 3, 4, 5], 2); // [1, 2]

Filters out the elements of an array, that have one of the specified values.

without([2, 1, 2, 3], 1, 2); // [3]

Sorts a collection of arrays or objects by key.

orderBy(
    [
        ['id' => 2, 'name' => 'Joy'],
        ['id' => 3, 'name' => 'Khaja'],
        ['id' => 1, 'name' => 'Raja']
    ],
    'id',
    'desc'
); // [['id' => 3, 'name' => 'Khaja'], ['id' => 2, 'name' => 'Joy'], ['id' => 1, 'name' => 'Raja']]

Check if a string is ends with a given substring.

endsWith('Hi, this is me', 'me'); // true

Returns the first string there is between the strings from the parameter start and end.

```php
firstStringBetween('This is a [custom] string', '[', ']'); // custom

Compare two strings and returns true if both strings are anagram, false otherwise.

isAnagram('act', 'cat'); // true

Returns true if the given string is lower case, false otherwise.

isLowerCase('Morning shows the day!'); // false
isLowerCase('hello'); // true

Returns true if the given string is upper case, false otherwise.

isUpperCase('MORNING SHOWS THE DAY!'); // true
isUpperCase('qUick Fox'); // false

Returns true if the given string is a palindrome, false otherwise.

palindrome('racecar'); // true
palindrome(2221222); // true

Check if a string starts with a given substring.

startsWith('Hi, this is me', 'Hi'); // true

Returns number of vowels in provided string.

Use a regular expression to count the number of vowels (A, E, I, O, U) in a string.

countVowels('sampleInput'); // 4

Decapitalizes the first letter of a string.

Decapitalizes the first letter of the string and then adds it with rest of the string. Omit the upperRest parameter to keep the rest of the string intact, or set it to true to convert to uppercase.

decapitalize('FooBar'); // 'fooBar'

Check if a word / substring exist in a given string input. Using strpos to find the position of the first occurrence of a substring in a string. Returns either true or false

contains('This is an example string', 'example'); // true

contains('This is an example string', 'hello'); // false

This project is licensed under the MIT License - see the License File for details

Thanks to appzcoder for the snippets!