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StringToUpper — Zend Framework 2 2.4.2 documentation

StringToUpper

This filter converts any input to be uppercased.

Supported Options

The following options are supported for Zend\Filter\StringToUpper:

  • encoding: This option can be used to set an encoding which has to be used.

Basic Usage

This is a basic example for using the StringToUpper filter:

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$filter = new Zend\Filter\StringToUpper();

print $filter->filter('Sample');
// returns "SAMPLE"

Different Encoded Strings

Like the StringToLower filter, this filter handles only characters from the actual locale of your server. Using different character sets works the same as with StringToLower.

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$filter = new Zend\Filter\StringToUpper(array('encoding' => 'UTF-8'));

// or do this afterwards
$filter->setEncoding('ISO-8859-1');

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