PHP's Filter Module

PHP’s Filter Extension

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E-mail: chris@ctankersley.comTwitter: @dragonmantankIdenti.ca: dragonmantank

Who Are You and Why Are You In My House?

Chris Tankersley Doing PHP for 8 Years Lots of projects no one uses, and a

few that some do TL;DR

https://github.com/dragonmantank

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Some Background

Enabled by default since 5.2.0 Provides both Validation and

Sanitization Very easy to use to work with data Exposed via the filter_var() function

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Validation

Makes sure that data meets specifications An e-mail address looks like an e-mail address

Allows basic validation Boolean E-mail Float Int IP Regex URL

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Validating Data

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What Filters are Available?

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Sanitization

Removes data that does not meet specifications

Many more options with this

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Sanitizing Data

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What Sanitizers are Available?

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What Sanitizers are Available?

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Manual Filters

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filter_has_var

Used as further validation for data input

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Questions?

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LinksWhere to Find Stuff I Talked About

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Links

Filter Documentation http://www.php.net/manual/en/

book.filter.php

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