选择语言 :

Core_Arr::pluck

Retrieves muliple single-key values from a list of arrays.

// Get all of the "id" values from a result
$ids = Arr::pluck($result, 'id');

A list of arrays is an array that contains arrays, eg: array(array $a, array $b, array $c, ...)

array Core_Arr::pluck( array $array , string $key )

参数列表

参数类型描述默认值

$array array List of arrays to check

$key string Key to pluck

参数	类型	描述	默认值
`$array`	`array`	List of arrays to check
`$key`	`string`	Key to pluck

返回值

array

File: ./core/classes/arr.class.php

public static function pluck($array, $key)
{
	$values = array();

	foreach ($array as $row)
	{
		if (isset($row[$key]))
		{
			// Found a value in this row
			$values[] = $row[$key];
		}
	}

	return $values;
}