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
1.push (A,b,c,d,e) added to the last side of the array, you can add one or more parameters, change the original array to return the number of added arrays2.pop () Delete the last array, change the original array to return the deleted value3.unshift (
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
1. Merging Arrays
The Array_merge () function merges the arrays together to return an array of unions. The resulting array starts with the first input array parameter, forcing it sequentially in the order in which the array parameters appear later.
18-1, generic-Overview
1. Generic is a new technology in JDK1.5. The emergence of new technologies aims to solve problems.
2. Generics can be used to identify the types of elements stored in a collection.
ArrayList
Al = new ArrayList
();
1. Merging arrays
The Array_merge () function merges the arrays together to return an array of unions. The resulting array starts with the first input array parameter, forcing it sequentially in the order in which the array parameters appear later.
1. Merging arrays
The Array_merge () function merges the arrays together to return an array of unions. The resulting array starts with the first input array parameter, forcing it sequentially in the order in which the array parameters appear later.
1. Merging Arrays
The Array_merge () function merges the arrays together, returning a federated array. The resulting array begins with the first input array parameter and is forced in the order in which the following array parameters appear. In the
Php operation array (merge, split, append, search, delete, etc ). 1. the array_merge () function combines the arrays and returns a Union array. The obtained array starts with the first input array parameter.
1. Merge arrays
The array_merge ()
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