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数组的概念

数组(array)是 PHP 中一个非常重要的概念,我们可以把数组看做一系列类似的数据的集合,实际上数组是一个有序图。

PHP 还提供了超过 70 个内建函数来操作数组。

由于数组在php中比较重要,并且不易掌握,本节将使用实例进行一一讲解。

  1. PHP 数组基本操作
  2. PHP print_r 与 var_dump 输出数组
  3. PHP is_array() 检测变量是否是数组
  4. PHP 数组遍历 foreach 语法结构
  5. PHP 数组之count 函数
  6. PHP 检查数组中是否存在某个值 in_array 函数
  7. PHP array_key_exists检查键名或索引是否存在于数组中
  8. PHP 在数组中搜索给定的值 array_search 函数
  9. PHP list() 将数组中的值赋给变量
  10. PHP 数组排序 sort、asort 及 ksort 系列函数
  11. PHP 对多个数组或多维数组进行排序 array_multisort 函数
  12. PHP 将数组打乱 shuffle 函数

 

原文地址:http://www.manongjc.com/php/php_array.html

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