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<?php // Works: var_dump(json_decode('{"var":0.e+1}')); var_dump(json_decode('{"var":0.e-1}')); var_dump(json_decode('{"var":0.0e+1}')); var_dump(json_decode('{"var":0.0e-1}')); // Will not Work: var_dump(json_decode('{"var":0e+1}')); var_dump(json_decode('{"var":0e-1}'));

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