Class Arrays

Array tools library.

Namespace: Nette\Utils
Located at Utils/Arrays.php

Methods summary
`final public`	# `__construct( )` Static class - cannot be instantiated. Static class - cannot be instantiated.
`public static mixed`	# `get( array $arr, string\|integer\|array $key, mixed $default = NULL )` Returns item from array or $default if item is not set. Returns item from array or $default if item is not set. Parameters `$arr` `$key` or more keys `$default` Returns `mixed` mixed Throws `Nette\InvalidArgumentException` if item does not exist and default value is not provided
`public static mixed &`	# `getRef( array & $arr, string\|integer\|array $key )` Returns reference to array item. Returns reference to array item. Parameters `$arr` `$key` or more keys Returns `mixed` mixed Throws `Nette\InvalidArgumentException` if traversed item is not an array
`public static array`	# `mergeTree( $arr1, $arr2 )` Recursively appends elements of remaining keys from the second array to the first. Recursively appends elements of remaining keys from the second array to the first. Returns `array` array
`public static integer\|false`	# `searchKey( $arr, $key )` Searches the array for a given key and returns the offset if successful. Searches the array for a given key and returns the offset if successful. Returns `integer\|false` offset if it is found, FALSE otherwise
`public static`	# `insertBefore( array & $arr, $key, array $inserted )` Inserts new array before item specified by key. Inserts new array before item specified by key.
`public static`	# `insertAfter( array & $arr, $key, array $inserted )` Inserts new array after item specified by key. Inserts new array after item specified by key.
`public static`	# `renameKey( array & $arr, $oldKey, $newKey )` Renames key in array. Renames key in array.
`public static array`	# `grep( array $arr, $pattern, $flags = 0 )` Returns array entries that match the pattern. Returns array entries that match the pattern. Returns `array` array
`public static array`	# `flatten( array $arr, $preserveKeys = FALSE )` Returns flattened array. Returns flattened array. Returns `array` array
`public static boolean`	# `isList( $value )` Finds whether a variable is a zero-based integer indexed array. Finds whether a variable is a zero-based integer indexed array. Returns `boolean` bool
`public static array\|stdClass`	# `associate( array $arr, $path )` Reformats table to associative tree. Path looks like 'field\|field[]field->field=field'. Reformats table to associative tree. Path looks like 'field\|field[]field->field=field'. Returns `array\|stdClass` array\|\stdClass
`public static array`	# `normalize( array $arr, $filling = NULL )` Normalizes to associative array. Normalizes to associative array. Returns `array` array
`public static mixed`	# `pick( array & $arr, string\|integer $key, mixed $default = NULL )` Picks element from the array by key and return its value. Picks element from the array by key and return its value. Parameters `$arr` `$key` key `$default` Returns `mixed` mixed Throws `Nette\InvalidArgumentException` if item does not exist and default value is not provided