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html - PHP Echo back a form inside of a table cell

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Here is how I am echoing back a 'normal' table cell in PHP:

Code:

echo "<tr>"; echo "<td>Some cell data</td>"; echo "</tr>\n"; Copy code

Attempt to echo a button within a cell:

echo "<tr>"; echo "<td><form action="insertdata.php?page=add" method="post"> Username: <input type="text" name="username" > <input type="submit" > </form> </td>"; echo "</tr>\n"; Copy code

Thank you for any help, this is quite confusing to me. I am a beginner when it comes to PHP so please pardon any errors and feel free to kindly correct me wherever a correction is needed!

Undefined asked 2022-02-20 Write your answer 885 votes

Answer

Solution:

You need to either escape your double quotes" that appear inside your string surrounded by double quotes, or use a different quote style (i.e. single quotes') to surround the string that contains the double quotes. It's actually made quite obvious what the problem is by the syntax highlighting on this site.

You could either do this:

echo "<tr>"; echo "<td><form action=\"insertdata.php?page=add\" method=\"post\"> Username: <input type=\"text\" name=\"username\" > <input type=\"submit\" > </form> </td>"; echo "</tr>\n"; Copy code

...or this...

echo "<tr>"; echo '<td><form action="insertdata.php?page=add" method="post"> Username: <input type="text" name="username" > <input type="submit" > </form> </td>'; echo "</tr>\n"; Copy code

I suggest you read this thoroughly so you no what you can and can't legally do with strings in PHP.

As a side note, it is a bad idea to put new-line literals inside quoted strings, as it can lead to cross-platform compatibility wierdness. It's not really a problem with web output like this, but it's a bad habit to get into. You should either use\r,\n and\r\n as appropriate, or if you must put literals into the source code, use heredoc syntax. Remember that escape sequences like\r\n are only interpolated in double quoted strings!!!

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Date the issue was resolved: 2022-02-20 Link To Source Link To Answer People are also looking for solutions of the problem: composer detected issues in your platform: your composer dependencies require a php version ">= 8.0.2".

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About the technologies asked in this question

PHP

PHP (from the English Hypertext Preprocessor - hypertext preprocessor) is a scripting programming language for developing web applications. Supported by most hosting providers, it is one of the most popular tools for creating dynamic websites. The PHP scripting language has gained wide popularity due to its processing speed, simplicity, cross-platform, functionality and distribution of source codes under its own license.https://www.php.net/

HTML

HTML (English "hyper text markup language" - hypertext markup language) is a special markup language that is used to create sites on the Internet. Browsers understand html perfectly and can interpret it in an understandable way. In general, any page on the site is html-code, which the browser translates into a user-friendly form. By the way, the code of any page is available to everyone.https://www.w3.org/html/

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