📄 程嶏清单8-3.txt
字号:
$letter = "Hello World!";
$transform = lc($letter);
print "The result of \"lc\" to \"Hello World!\" is : $transform\n ";
$transform = lcfirst($letter);
print "The result of \"lcfirst\" to \"Hello World!\" is : $transform\n ";
$transform = uc($letter);
print "The result of \"uc\" to \"Hello World!\" is : $transform\n ";
$transform = ucfirst($letter);
print "The result of \"ucfirst\" to \"Hello World!\" is : $transform\n ";
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