【PHP】数组与字符串的相互转换

字符串转数组

explode(separator,string,limit)

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$str = "Hello world. I love Shanghai!";

print_r (explode(" ", $str));

?>

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数组转字符串

implode(separator,array)

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$arr = array('Hello','World!','I','love','Shanghai!');

echo implode(" ",$arr);

?>

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