What potential issues can arise when using escape sequences in PHP code?

Potential issues that can arise when using escape sequences in PHP code include misinterpretation of special characters and difficulty in reading and maintaining the code. To solve this issue, it is recommended to use single quotes instead of double quotes when dealing with escape sequences to avoid unwanted interpretation of special characters. 

// Incorrect usage of escape sequences with double quotes
$string = "This is a \"test\"";

// Corrected code using single quotes
$string = 'This is a "test"';

Keywords

escape sequences PHP code security vulnerabilities SQL injection special characters

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