What steps can be taken to troubleshoot and resolve PHP code errors related to variable declarations and assignments?

Issue: PHP code errors related to variable declarations and assignments can often be resolved by ensuring that variables are properly declared before being used, and that the correct data type is assigned to each variable. Example PHP code snippet: 

// Incorrect variable declaration and assignment
$var1 = 10;
echo $var2; // This will result in an error as $var2 is not declared

// Correct variable declaration and assignment
$var1 = 10;
$var2 = 'Hello';
echo $var1; // Output: 10
echo $var2; // Output: Hello

Keywords

PHP variable declarations variable assignments debugging error resolution

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