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Example code of nagyatka/php-dataframe

Informations about the package php-dataframe

php-dataframe

A lightweight dataframe handling package for php.

The php-dataframe package is not a data science package, it just tries copy the main features of pandas' DataFrame.

Software requirements

PHP version 7.2 or newer to develop using php-dataframe.

Installation

Use composer to install PhpSpreadsheet into your project:

Usage

Create DataFrame

Create a simple DataFrame object using a 2D array:

Create a simple DataFrame object using a 2D array, and column names:

Create a simple DataFrame object using a 2D array, column names, and indices:

Get DataFrame's basic information

A DataFrame stores a 2D php array and the associated column names and indices.

Access to the raw 2D array

Get shape information

Get/Set column names

Get/Set indices

Indexing and selecting data

Selecting one column of a DataFrame

Selecting column "a", the DataFrame object returns with a Series object.

Selecting a column by column's index also works

Selecting multiple columns of a DataFrame

Because php does not support array object as key, the cols helper function needs to be used to select multi columns.

You can also use column indices to get a sub DataFrame:

Selecting one row of a DataFrame

You can select one row of a DataFrame using iloc operator.

Of course, numeric indices can be used as well.

Selecting multiple rows of a DataFrame

Because php does not support array object as key, the inds helper function needs to be used to select multi columns.

Since the index values don't have to be unique, an iloc operation with a label index can results in multiple rows.

All versions of php-dataframe with dependencies

PHP Build Version
Package Version
Requires php Version ^7.2
phpoffice/phpspreadsheet Version 1.15.*
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