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
PHP array operation summary php array usage tips. Array is an important method in PHP Data applications. PHP has a large number of array functions. The following is a summary of my learning. I will take this note to facilitate future authentication.
For Web programming, the most important thing is to access and read/write data. There may be many storage methods, such as strings, arrays, and files. Array is an important method in PHP Data applications. PHP has a large number of array functions.
For Web programming, the most important thing is to access and read/write data. There may be many storage methods, such as strings, arrays, and files. I learned arrays today, which is an important method in PHP Data applications. PHP has a large
Array is an important method in PHP Data Applications. PHP has a large number of array functions. The following is a summary of my learning. I will take this note to facilitate future authentication.
1. array Definition
The array definition uses the
Php array usage details PHP array functions are numerous. The following is a summary of my learning, so that you can easily identify them later ...... I. array definition: array definition is defined using array (). you can define an empty array:.
Ange ($low, $high), Range ($low, $high, $step);//Create an array of sequential values such as: Range (1,4) as (1,2,3,4) and range (' A ', ' Z ')
Each ($array) returns the current element of the array sequentially, and sets the next element to the
Array pointer operation: Moves the array pointer operation: Next () down Gets the value of the current element. Prev () will also get the value of the current element. End () moves to the last element cell to get the value of the last element reset (
Some php array learning notes. There are three types of php arrays: a numeric array with a numeric ID key, and an ID key in an array associated with a value multi-dimensional array containing one or more arrays, there are three types of php arrays:
PHP has a large number of array functions. The following is a summary of my learning, so that you can easily identify them later ......
I. array definition:The array definition uses the array () method to define an empty array:
. Foreach traversal:
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