PHP Array,phparray
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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