How can mixing [] and {} in PHP code lead to parse errors and how can this be avoided?

Mixing square brackets [] and curly braces {} in PHP code can lead to parse errors because PHP interprets them differently. To avoid this issue, make sure to use square brackets for array declarations and curly braces for variable interpolation in strings. Example fix: 

// Using square brackets for array declaration
$array = ['apple', 'banana', 'cherry'];

// Using curly braces for variable interpolation
$name = 'Alice';
echo "Hello, {$name}!";

Keywords

PHP parse errors syntax arrays curly braces

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