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<?php $a = 1.1; $b = -1.1; $c = $a; $c += $a; var_dump($c); $c += $b; var_dump($c); $c += $b; var_dump($c); $c += $b; var_dump($c); $d = -0.00001893; $d += -1.89399999999988899; var_dump($d);
Output for git.master, git.master_jit, rfc.property-hooks
float(2.2) float(1.1) float(0) float(-1.1) float(-1.8940189299998889)

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