25 	private $equation;  variable in DecoratorMath
43 			$this->equation = $formula;
46 			$this->equation = $this->equation.$formula;
56 			$this->decorator->mathjax_content($this->processEquation($this->equation));
66 	 * @param String $equation The equation.
69 	private function processEquation($equation) {  argument
70 		if (substr( $equation, 0, 2 ) === "$$" || substr( $equation, 0, 2 ) === '\\[') {
71 			return $this->processDisplayEquation($equation);
72 		} else if (substr( $equation, 0, 1 ) === "$") {
73 			return $this->processInlineEquation($equation);
75 			return $this->processAmsMathEquation($equation);
79 	private function processDisplayEquation($equation) {  argument
80 		$trimmedEquation = substr($equation, 2, strlen($equation) - 4);
86 	private function processInlineEquation($equation) {  argument
87 		$trimmedEquation = trim($this->removeTagCommand($equation), '$ ');
91 	private function processAmsMathEquation($equation) {  argument
92 		return $equation;
98 	 * @param String $equation The equation.
101 	private function removeTagCommand($equation) {  argument
102 		return preg_replace('/\\\\tag\{[^}]+\}/', '', $equation);