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<?php
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/**
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* Copyright © 2024 ExacTI Technology Solutions. All rights reserved.
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* GPLv3 General License.
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* https://exacti.com.br
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* Phacil PHP Framework - https://github.com/exacti/phacil-framework
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*/
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namespace Phacil\Framework\ECompress;
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/**
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* @api
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* @since 1.0.0
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* @package Phacil\Framework\ECompress
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*/
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class cssMin {
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/**
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* @param string $css
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* @return string|null
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*/
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public function minify($css)
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{
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$css = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $css);
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$css = preg_replace('/\/\*((?!\*\/).)*\*\//', '', $css); // negative look ahead
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$css = preg_replace('/\s{2,}/', ' ', $css);
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$css = preg_replace('/\s*([:;{}])\s*/', '$1', $css);
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$css = preg_replace('/;}/', '}', $css);
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return $css;
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}
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}
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