html - Display entered text with echo after input PHP

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html - Display entered text with echo after input PHP

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

html - Display entered text with echo after input PHP

I want to do something very simple. After a user enters text in an HTML text box then hits submit, the PHP echo's the entered text. I searched all over and I cant find out how to do it! There must be some way! I want something like this except $foo is what the entered text was.

<html>
<input type="text" name="something" value="$foo"/>
<html>
<?php
echo $foo = "ben";
echo "foo is $foo"; // foo is foobar


?>

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1 Answer

深蓝 · Answer 1 · 2021-10-23T21:43:00+0000

FTFY

<html>
<head><title>some title</title></head>
<body>
  <form method="post" action="">
    <input type="text" name="something" value="<?= isset($_POST['something']) ? htmlspecialchars($_POST['something']) : '' ?>" />
    <input type="submit" name="submit" />
  </form>

<?php
if(isset($_POST['submit'])) {
  echo 'You entered: ', htmlspecialchars($_POST['something']);
}
?>
</body>
<html>

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html - Display entered text with echo after input PHP

html - Display entered text with echo after input PHP

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