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批改状态：合格
老师批语：
<?php
$me= '我是超人';
$skill = '我会飞';
$mykill = "{$me}{$skill }";
echo $mykill;
echo '<br>';
echo '他们说：\'我是超人我会飞\'';
echo '<br>';
echo "他们说：:\"我是超人我会飞\"";
echo '<br>';
$heredoc = <<< HEREDOC
他们说：{$skill}{$mykill}
HEREDOC;
echo $heredoc;
echo '<br>';
$nowdoc = <<< 'NOWDOC'
<h3>$me</h3> \r\n '$skill'
NOWDOC;
echo $nowdoc;
?>点击 "运行实例" 按钮查看在线实例
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