PHP Manipulating an Array Exchange values with keys

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Example

array_flip function will exchange all keys with its elements.

$colors = array(
    'one' => 'red',
    'two' => 'blue',
    'three' => 'yellow',
);

array_flip($colors); //will output

array(
    'red' => 'one',
    'blue' => 'two',
    'yellow' => 'three'
)


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