wiki.techinc.nl/includes/htmlform/HTMLTextField.php

<?php

class HTMLTextField extends HTMLFormField {
	function getSize() {
		return isset( $this->mParams['size'] ) ? $this->mParams['size'] : 45;
	}

	function getInputHTML( $value ) {
		$attribs = array(
				'id' => $this->mID,
				'name' => $this->mName,
				'size' => $this->getSize(),
				'value' => $value,
			) + $this->getTooltipAndAccessKey();

		if ( $this->mClass !== '' ) {
			$attribs['class'] = $this->mClass;
		}

		# @todo Enforce pattern, step, required, readonly on the server side as
		# well
		$allowedParams = array(
			'min',
			'max',
			'pattern',
			'title',
			'step',
			'placeholder',
			'list',
			'maxlength',
			'tabindex',
			'disabled',
			'required',
			'autofocus',
			'multiple',
			'readonly'
		);

		$attribs += $this->getAttributes( $allowedParams );

		# Implement tiny differences between some field variants
		# here, rather than creating a new class for each one which
		# is essentially just a clone of this one.
		$type = 'text';
		if ( isset( $this->mParams['type'] ) ) {
			switch ( $this->mParams['type'] ) {
				case 'int':
					$type = 'number';
					break;
				case 'float':
					$type = 'number';
					$attribs['step'] = 'any';
					break;
				# Pass through
				case 'email':
				case 'password':
				case 'file':
				case 'url':
					$type = $this->mParams['type'];
					break;
			}
		}
		return Html::input( $this->mName, $value, $type, $attribs );
	}
}