| 1 | <?php
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| 2 | class Calculator {
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| 3 | public $name = "Advanced Calc";
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| 4 | public function add($a, $b, $c = 0) {
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| 5 | return $a + $b + $c;
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| 6 | }
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| 7 | public function subtract($a, $b) {
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| 8 | return $a - $b;
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| 9 | }
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| 10 | public function multiply($a, $b) {
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| 11 | return $a * $b;
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| 12 | }
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| 13 | }
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| 14 | $calc = new Calculator();
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| 15 | echo $calc->name . "\n";
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| 16 | echo $calc->add(5, 3, 2) . "\n";
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| 17 | echo $calc->subtract(10, 4);
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| 18 | ?> |