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PHP Array,phparray
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PHP Array,phparray

Jun 13, 2016 am 09:05 AM
array

PHP Array,phparray

函数

描述

array()

创建数组。

array_change_key_case()

返回其键均为大写或小写的数组。

array_chunk()

把一个数组分割为新的数组块。

array_combine()

通过合并两个数组来创建一个新数组。

array_count_values()

用于统计数组中所有值出现的次数。

array_diff()

返回两个数组的差集数组。

array_diff_assoc()

比较键名和键值,并返回两个数组的差集数组。

array_diff_key()

比较键名,并返回两个数组的差集数组。

array_diff_uassoc()

通过用户提供的回调函数做索引检查来计算数组的差集。

array_diff_ukey()

用回调函数对键名比较计算数组的差集。

array_fill()

用给定的值填充数组。

array_filter()

用回调函数过滤数组中的元素。

array_flip()

交换数组中的键和值。

array_intersect()

计算数组的交集。

array_intersect_assoc()

比较键名和键值,并返回两个数组的交集数组。

array_intersect_key()

使用键名比较计算数组的交集。

array_intersect_uassoc()

带索引检查计算数组的交集,用回调函数比较索引。

array_intersect_ukey()

用回调函数比较键名来计算数组的交集。

array_key_exists()

检查给定的键名或索引是否存在于数组中。

array_keys()

返回数组中所有的键名。

array_map()

将回调函数作用到给定数组的单元上。

array_merge()

把一个或多个数组合并为一个数组。

array_merge_recursive()

递归地合并一个或多个数组。

array_multisort()

对多个数组或多维数组进行排序。

array_pad()

用值将数组填补到指定长度。

array_pop()

将数组最后一个单元弹出(出栈)。

array_product()

计算数组中所有值的乘积。

array_push()

将一个或多个单元(元素)压入数组的末尾(入栈)。

array_rand()

从数组中随机选出一个或多个元素,并返回。

array_reduce()

用回调函数迭代地将数组简化为单一的值。

array_reverse()

将原数组中的元素顺序翻转,创建新的数组并返回。

array_search()

在数组中搜索给定的值,如果成功则返回相应的键名。

array_shift()

删除数组中的第一个元素,并返回被删除元素的值。

array_slice()

在数组中根据条件取出一段值,并返回。

array_splice()

把数组中的一部分去掉并用其它值取代。

array_sum()

计算数组中所有值的和。

array_udiff()

用回调函数比较数据来计算数组的差集。

array_udiff_assoc()

带索引检查计算数组的差集,用回调函数比较数据。

array_udiff_uassoc()

带索引检查计算数组的差集,用回调函数比较数据和索引。

array_uintersect()

计算数组的交集,用回调函数比较数据。

array_uintersect_assoc()

带索引检查计算数组的交集,用回调函数比较数据。

array_uintersect_uassoc()

带索引检查计算数组的交集,用回调函数比较数据和索引。

array_unique()

删除数组中重复的值。

array_unshift()

在数组开头插入一个或多个元素。

array_values()

返回数组中所有的值。

array_walk()

对数组中的每个成员应用用户函数。

array_walk_recursive()

对数组中的每个成员递归地应用用户函数。

arsort()

对数组进行逆向排序并保持索引关系。

asort()

对数组进行排序并保持索引关系。

compact()

建立一个数组,包括变量名和它们的值。

count()

计算数组中的元素数目或对象中的属性个数。

current()

返回数组中的当前元素。

each()

返回数组中当前的键/值对并将数组指针向前移动一步。

end()

将数组的内部指针指向最后一个元素。

extract()

从数组中将变量导入到当前的符号表。

in_array()

检查数组中是否存在指定的值。

key()

从关联数组中取得键名。

krsort()

对数组按照键名逆向排序。

ksort()

对数组按照键名排序。

list()

把数组中的值赋给一些变量。

natcasesort()

用“自然排序”算法对数组进行不区分大小写字母的排序。

natsort()

用“自然排序”算法对数组排序。

next()

将数组中的内部指针向前移动一位。

pos()

current() 的别名。

prev()

将数组的内部指针倒回一位。

range()

建立一个包含指定范围的元素的数组。

reset()

将数组的内部指针指向第一个元素。

rsort()

对数组逆向排序。

shuffle()

把数组中的元素按随机顺序重新排列。

sizeof()

count() 的别名。

sort()

对数组排序。

uasort()

使用用户自定义的比较函数对数组中的值进行排序并保持索引关联。

uksort()

使用用户自定义的比较函数对数组中的键名进行排序。

usort()

使用用户自定义的比较函数对数组中的值进行排序。

 

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