PHP

[PHP] <?php ?>在head之前有输出时,

2016-03-02  本文已影响261人  何幻

[chrome 36.0.1985.143 m]

<?php
    echo "1";
?>
<!doctype html>
<html>
    <head>
        <title>test</title>
        <script>
            alert();
        </script>
    </head>
    <body>
        
    </body>
</html>

输出:

1<!doctype html>
<html>
    <head>
        <title>test</title>
        <script>
            alert();
        </script>
    </head>
    <body>
        
    </body>
</html>

浏览器会解析成:

<html>
    <head>
    </head>
    <body>
        "1


            "
        <title>test</title>
        <script>
            alert();
        </script>
    </body>
</html>
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