常用字符串函数(一)_PHP

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$first = "abc";
$second = "aBc";
if(strcmp($first, $second) == 0)//字串比较
{
print("字符串相等:"."

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");
}
else
{
print("字符串不相等"."

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");
}
?>

print("a short string ".strlen("a short string")."

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");//字串长度
?>

$text = "hello world";
print(strpos($text, "w")."

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");//寻找字串中某字元最先出现处
?>

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