What are the potential reasons for the key not being properly stored in the array in the provided PHP code snippet?

The potential reason for the key not being properly stored in the array in the provided PHP code snippet could be due to the incorrect use of single quotes around the variable inside the square brackets. To solve this issue, the variable should be enclosed in curly braces inside double quotes to properly interpolate the variable value as the array key. 

// Incorrect code snippet
$key = 'my_key';
$array = [$key => 'value'];

// Corrected code snippet
$key = 'my_key';
$array = ["{$key}" => 'value'];

Keywords

array key stored PHP code snippet

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