1. The concept of arrays
An array is a named range that is used to store a series of variable values.
Each array element has an associated index (also a keyword) that can be used to access elements.
PHP allows you to use numbers or strings evenly
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Basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Get the value of an arrayArray_keys ($arr); Gets the key name of the arrayArray_flip ($arr); the values in the array are exchanged with the key names (if
Introducing several new functions of the array library php we don't have much information on hand about PHP. do you have a copy of php4gb. chm. I like the function library in it most, and it provides online help. However, PHP is developing too fast.
In PHP, the values stored in the array become array elements, the array has a one-dimensional array and a multidimensional array, and the index of each array element is also called the keyword, and access to the array elements can be indexed.
We don't have much PHP information on hand. Do you have a copy of php4gb. chm. I like the function library in it most, and it provides online help. However, PHP is developing too fast. You know, I recently found some extended array functions at
The array function in PHP allows you to access and manipulate arrays. Supports simple arrays and multidimensional arrays. The PHP Array function is part of the PHP core. These functions can be used without installation.
Definition and usage
The
PHP Function Index 967 functions
A total of 967 functions
Abs: Get absolute value.
Acos: Gets the inverse cosine value.
Ada_afetch: Gets the return column of the database.
Ada_autocommit: Switch automatic change function.
Ada_close: Close Adabas D
Array: Creates a new array.Array_walk: Lets a user customize a function to handle every element in an array.Arsort: Sorts the values of an array from large to small.Asort: Sorts the values of an array from small to large.Count: Calculates the number
Array: creates a new array. Array_walk: allows a user-defined function to process every element in the array. Arsort: sorts the array values from large to small. Asort: sorts the array values from small to large. Count: calculates the elements in a
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