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<?php ini_set("precision", 20); $array_1 = range(1, 1.9, 0.1); var_dump($array_1); var_dump(in_array(1.7, $array_1)); $array_2 = range(0, 0.9, 0.1); var_dump($array_2); var_dump(in_array(0.3, $array_2)); var_dump(in_array(0.6, $array_2)); var_dump(in_array(0.7, $array_2)); //=>it return false;
Output for git.master, git.master_jit, rfc.property-hooks
array(10) { [0]=> float(1) [1]=> float(1.1) [2]=> float(1.2) [3]=> float(1.3) [4]=> float(1.4) [5]=> float(1.5) [6]=> float(1.6) [7]=> float(1.7000000000000002) [8]=> float(1.8) [9]=> float(1.9) } bool(false) array(10) { [0]=> float(0) [1]=> float(0.1) [2]=> float(0.2) [3]=> float(0.30000000000000004) [4]=> float(0.4) [5]=> float(0.5) [6]=> float(0.6000000000000001) [7]=> float(0.7000000000000001) [8]=> float(0.8) [9]=> float(0.9) } bool(false) bool(false) bool(false)

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