What are the best practices for handling quotation marks in PHP strings to avoid errors?

When handling quotation marks in PHP strings, it's important to properly escape them to avoid syntax errors. One common way to do this is by using the backslash (\) character before the quotation mark. Another approach is to use single quotes for the string if it contains double quotes, and vice versa. Additionally, using PHP's built-in functions like addslashes() can also help in escaping quotation marks. 

// Using backslash to escape double quotes
$string = "This is a \"quoted\" string";

// Using single quotes to handle double quotes
$string = 'This is a "quoted" string';

// Using addslashes function to escape quotation marks
$string = addslashes('This is a "quoted" string');

Keywords

escaping addslashes htmlspecialchars double quotes single quotes

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