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Why Are There Backslashes Before My Quotation Marks in PHP Form Submissions?

Susan Sarandon
Release: 2024-11-28 16:53:14
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Why Are There Backslashes Before My Quotation Marks in PHP Form Submissions?

Unveiling the Riddle of Quotation Mark Slashes

In the realm of PHP programming, an enigmatic issue often plagues developers, leaving behind perplexing slashes before quotation marks. This conundrum arises when dynamic text values are interpolated within HTML forms that get resubmitted, leading to the unexpected appearance of backslashes before double quotes.

To unravel this mystery, one must delve into the enigmatic concept of "magic quotes," a PHP configuration that automatically escapes certain characters within incoming form data. This "escape" entails prefixing quotation marks with backslashes (") to prevent potential conflicts with SQL queries or other context-sensitive scenarios.

In our case, the use of @$_POST['annonsera_headline'] as the value of a text input triggers this magic quotes mechanism, resulting in the insertion of backslashes before every quotation mark. While invoking htmlentities() indeed escapes HTML entities, its limitations in handling preexisting backslashes lead to the disappearance of characters following the quotes.

The solution to this quandary lies in understanding the nature of this magic quotes feature. By employing the function get_magic_quotes_gpc(), you can ascertain whether this enigmatic setting is enabled on your server. If it is, harness the power of stripslashes() to remove those pesky backslashes before processing the text.

Remember, magic quotes are often shrouded in controversy, with some developers advocating for their disabling. If you wield root access and deem it appropriate, you may opt for this course of action. However, keep in mind that disabling magic quotes necessitates meticulous attention to correct escaping practices in your code.

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source:php.cn
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