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数组
Home Backend Development PHP Tutorial PHP-数组知识点(继续更新)

PHP-数组知识点(继续更新)

Jun 13, 2016 pm 12:24 PM
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PHP-数组知识点(持续更新)

转自:http://www.php100.com/cover/php/18.html

W3 教程:http://www.w3school.com.cn/php/php_arrays.asp

数组

PHP 中的?数组?实际上是一个有序映射。映射是一种把?values?关联到?keys?的类型。此类型在很多方面做了优化,因此可以把它当成真正的数组,或列表(向量),散列表(是映射的一种实现),字典,集合,栈,队列以及更多可能性。数组元素的值也可以是另一个数组。树形结构和多维数组也是允许的。

解释这些结构超出了本手册的范围,但对于每种结构至少会提供一个例子。要得到这些结构的更多信息,建议参考有关此广阔主题的其它著作。

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