What are some best practices for marking specific values in arrays in PHP?

When working with arrays in PHP, it is common to need to mark specific values for later reference. One way to achieve this is by using associative arrays, where keys are used to identify specific values. Another approach is to add a marker directly to the value itself, such as using a specific value or flag to indicate its significance. 

// Using associative arrays to mark specific values
$myArray = [
    'key1' => 'value1',
    'key2' => 'value2',
    'markedValue' => 'specialValue'
];

// Using a flag to mark a specific value in the array
$myArray = ['value1', 'value2', 'specialValue'];
$key = array_search('specialValue', $myArray);
$myArray[$key] = 'markedValue';

Keywords

array values marking PHP best practices

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