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PHP strval() 函数
tryphp_func_var_strval
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<?php $a = "Hello"; echo strval($a) . "
"; $b = "1234.56789"; echo strval($b) . "
"; $c = "1234.56789Hello"; echo strval($c) . "
"; $d = "Hello1234.56789"; echo strval($d) . "
"; $e = 1234; echo strval($e) . "
"; ?>