Arrays are very useful whenever you need to work with large amounts of data — such as records from a database — or group related data together. Make sure to change the connection parameters and the query for your database. Line 2 tells the browser the MIME type of the content.
If you want to fetch the data from mysql, you will have to replace these lines with code to connect to the database and get the data see below Lines goes through each row of data and outputs them Line 23 closes the file after we are done writing all the data to the file Creating and automatically downloading a CSV file using static data If instead of saving the file you want to directly download it in the browser, then use the code similar to the following: Most of the time, however, it helps to think of indexed and associative arrays as different types of arrays.
You can even mix numeric and string indices within the same array if you like.
PHP gives you many handy array-related functions. This allows you to create multidimensional arrays Why arrays are useful Arrays in PHP offer many benefits, including the following: Furthermore, many PHP array functions are designed to work with either indexed or associative arrays.
To create an array, you use the array construct: Typically the indices in an indexed array start from zero, so the first element has an index of 0, the second has an index of 1, and so on. Every element in an array has its own unique index. In a real application it might in a different file and there should also be error handling.
In the above example, "Alfred Hitchcock" is given an index of 0, "Stanley Kubrick" has an index of 1, and so on. An array is a special type of variable that can hold many values at once, all accessible via a single variable name.
Indexed arrays have numeric indices. Typically, you use an associative array when you want to store records of data, much like using a database. We will also see how to automatically download the file instead of just showing it in the browser or giving the user a link to download it.
Also, the following database related code is only an example. An array can hold any number of values, including no values at all. Lot of applications want to export data in a CSV file. For example, one element of an associative array might have an index of "name", while another element has an index of "age".
The order of the elements is usually unimportant. Explains how arrays work in PHP, and shows how to create both indexed and associative arrays. Like most programming languages, PHP lets you create arrays.
Usually, you use an indexed array when you want to store a bunch of data in a certain order. For example, you can sort array elements quickly and easily; search arrays for particular values or indices; and merge arrays together. An associative array is sometimes referred to as a hashand its indices are often called keys.
A ssociative arrays have string indices. An element can store any type of value, such as an integer, a string, or a Boolean.
You can mix types within an array — for example, the first element can contain an integer, the second can contain a string, and so on.
Each value in an array is called an element You access each element via its indexwhich is a numeric or string value. Indexed arrays and associative arrays PHP lets you create 2 types of array: Here are some more key facts about arrays in PHP: Make sure the location in which you are saving this file is writeable by your server Line 5 is to add the column headers.The fgetcsv() function parses a line from an open file, checking for CSV fields.
The fgetcsv() function stops returning on a new line, at the specified length, or at EOF, whichever comes first. This function returns the CSV fields in an array on success, or FALSE on failure and EOF.
length Optional. In this post you will learn how to generate CSV(Comma-Separated Values) file from PHP Array.
Suppose friends if you have data in array and you do not want to enter into mysql table and you want the user directly download that data into csv formate. Storing csv data by using fputcsv php function into an file. Nov 14, · Hello guys just want to ask how can I put an associative array in csv?
For example if I have an array like this. Array ( => Array ([restaurant_id] => PHP How to convert array into csv using fputcsv function. Ask Question. up vote 3 down vote favorite. 2. PHP efficiently write and output csv files using fputcsv.
Why shouldn't I use mysql_* functions in PHP? 4. Converting csv files data to an array using php str_getcsv function. I need to load a csv file with unknown number of rows and columns into a 2d array. What is the best way to do this in c# Load CSV into and array c#.
so I just want to put the whole thing into and array and write a loop to generate a properly formated file that I can just dts load. Kelly. 0.Download