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For Web programming, the most important thing is to access and read and write data. There may be many ways to store them, such as strings, arrays, files, and so on. arrays, which can be said to be a more important way of using PHP data. PHP's Array
arrays, which can be said to be a more important way of using PHP data. PHP's Array function is numerous, below is my study summary, takes this to remember, facilitates later to learn.
1. Array definition
The definition of an array is defined using
PHP's Array function is numerous, below is my study summary, takes this to remember, facilitates later ...
one, array definition:The definition of an array is defined using the array () method, and an empty array can be defined:
. Foreach Traversal:
There is a multi-dimensional array, which can be customized. If we want to find a subIndex value in this array, we can use methods such as for and foreach to traverse and find the reverse. If we give one or more keys at will, you must find the keys
Php merge array key value and retain key value implementation method, php merge array key value
Php merges arrays.Array_mergeMethod.
Array_merge-merge one or more Arrays
array array_merge ( array $array1 [, array $... ] )
Array_merge combines the
Php multi-dimensional array quickly queries the parent key and parent key value based on the key name
/**
* FILE_NAME: arr. php FILE_PATH: test/
* Quick query of the parent key and parent key value based on
There is a multi-dimensional array, which can be customized. Suppose we want to find a key in this array for me:
Traverse multi-dimensional arrays and create an index for all keys to generate a one-dimensional array;
Check the upper-level array and
Php array declaration, traversal, array global variables. Php Tutorial array declaration, traversal, array global variable [php]? ** 1. Array Overview * 1. the essence of arrays: managing and operating a group of variables, batch processing * 2.
I think so:
Traverse multi-dimensional arrays and create an index for all keys to generate a one-dimensional array;
Check the upper-level array and data of the key by using the key name each time.
OK. The Code is as follows:
IndexKey:
Copy codeThe
I think so:Traverse multi-dimensional arrays and create an index for all keys to generate a one-dimensional array;Check the upper-level array and data of the key by using the key name each time.OK. The Code is as follows:IndexKey:Copy codeThe Code
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