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<?php |
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/** |
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* Copyright (C) Jan-Merijn Versteeg - All Rights Reserved |
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* Unauthorized copying of this file, via any medium, is strictly prohibited |
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* Proprietary and confidential |
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*/ |
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namespace fieldwork\sanitizers; |
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class NumberSanitizer extends FieldSanitizer |
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{ |
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/** |
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* @var string[] Indicates characters that should be interpreted as radix point |
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* @link http://en.wikipedia.org/wiki/Radix_point |
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*/ |
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private $radixes; |
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/** |
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* Indicates the precision factor |
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* @var float |
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*/ |
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private $precision; |
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/** |
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* @param string[]|null $radixes Indicates characters that should be interpreted as decimal seperators. By default, points and commas will be accepted. |
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* @param float $precision Indicates the precision factor |
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*/ |
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function __construct ($radixes = null, $precision = 0.01) |
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{ |
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$this->radixes = $radixes ?: ['.', ',']; |
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$this->precision = $precision; |
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} |
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public function sanitize ($value) |
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{ |
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$radixEscaped = implode('', array_map(function ($radix) { |
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return preg_quote($radix); |
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}, $this->radixes)); |
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$primaryRadix = $this->radixes[0]; |
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// Remove all character other than 0-9 and the radixes string |
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$value = preg_replace('/[^0-9' . $radixEscaped . ']+/', '', $value); |
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// Sanity check |
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if ($value === '') |
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return ''; |
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$delocalized = preg_replace('/[' . $radixEscaped . ']+/', '.', $value); |
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// Sanity check |
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if ($delocalized === '.') |
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return ''; |
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$floatval = floatval($delocalized); |
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$roundedFloatVal = round($floatval / $this->precision) * $this->precision; |
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return str_replace('.', $primaryRadix, $roundedFloatVal); |
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} |
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public function isLive () |
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{ |
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return true; |
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} |
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/** |
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* Returns a short human-readable slug/string describing the object |
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* @return string |
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*/ |
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function describeObject () |
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{ |
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return 'number'; |
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} |
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public function getJsonData () |
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{ |
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return array_merge(parent::getJsonData(), array( |
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'radixes' => $this->radixes, |
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'precision' => $this->precision |
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)); |
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} |
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} |
jmversteeg /
fieldwork
