Streaming CSV and TSV features for dependable data exchange.

The CSV library focuses on single-table delimited text. It provides streaming reads and writes, dialect and encoding controls, header normalization, projection, and spreadsheet-formula injection protection.

Package: 1
Capabilities: 9
Feature groups: 4

Updated August 1, 2026

LevelAll levelsReading time4 minPackagemnb/mnb-phpexcel-csv

What you will learn

See which delimited-text capabilities are included.
Understand the single-table CSV format boundary.
Choose the relevant reading, writing, or dialect guide.

What this library includes

This page is limited to mnb/mnb-phpexcel-csv. Features from the monolithic package or another individual library are not mixed into this list.

Installcomposer require mnb/mnb-phpexcel-csv:^2.0

Primary APIMnb\PHPExcel\Format\Csv

ScopeIndividual libraryFocused dependency and package-local API

Package linksGitHub repository ↗Packagist package ↗

Package quick start

The example uses the individual-library API documented by this feature page.

<?php

require __DIR__ . '/vendor/autoload.php';

use Mnb\PHPExcel\Format\Csv;

$rows = Csv::read('customers.csv')
    ->withHeaderRow(1)
    ->rows();

Csv::write($rows, 'customers.tsv', ['delimiter' => "\t"]);

Supported capabilities

Search the capabilities owned by this package and open the matching package-specific guide.

Reading5 capabilities

Feature	What it does	Typical use	Support	Guide
Forward-only row streaming	Iterate delimited records without loading the entire file into memory.	Large data feeds	Supported	Open guide
Header-row normalization	Convert the selected row into stable associative field names.	Imports and APIs	Supported	Open guide
Delimiter, enclosure, and escape controls	Read CSV, TSV, and custom dialects explicitly or through detection.	Third-party integrations	Supported	Open guide
BOM and encoding handling	Handle common byte-order marks and convert supported source encodings.	Multilingual files	Supported	Open guide
Row limits and column projection	Slice records and retain only required fields.	Faster ETL	Supported	Open guide

Writing2 capabilities

Feature	What it does	Typical use	Support	Guide
CSV and TSV export	Write arrays or iterables using configurable delimiters, line endings, and quoting.	Data exchange	Supported	Open guide
Header output	Emit deterministic field order and optional header rows.	Stable contracts	Supported	Open guide

Security1 capabilities

Feature	What it does	Typical use	Support	Guide
Formula-injection protection	Escape text that spreadsheet applications could interpret as a formula.	User-controlled exports	Supported	Open guide

Scale1 capabilities

Feature	What it does	Typical use	Support	Guide
Iterable-based output	Stream source records directly to a destination file.	Large exports	Supported	Open guide

Feature boundaries

These limits prevent individual-library documentation from being confused with the complete monolithic package.

Capability	Status	What to use instead
Multiple worksheets	Not supported: CSV and TSV represent one table per file.	CSV and TSV represent one table per file.
Formulas and cached workbook values	Not supported: Delimited text stores displayed text only.	Delimited text stores displayed text only.
Styles, images, charts, and protection	Not supported: Use XLSX or XLS when workbook structure or presentation matters.	Use XLSX or XLS when workbook structure or presentation matters.

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