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正确
$oldtxt = "Hello World!";
$newtxt = @(11)(@(7), @(7), @(7));
$oldtxt = "Hello World!";
$newtxt = str_replace("World", "Dolly", $oldtxt);
$oldtxt = "Hello World!";
$newtxt = str_replace('World', 'Dolly', $oldtxt);
$oldtxt = "Hello World!";
$newtxt = str_replace("World", 'Dolly', $oldtxt);
$oldtxt = "Hello World!";
$newtxt = str_replace('World', "Dolly", $oldtxt);
不正确
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下一题 ❯$oldtxt = "Hello World!"; $newtxt =w3exercise_input_no_0(w3exercise_input_no_1,w3exercise_input_no_2,w3exercise_input_no_3); |