PHP array_flip() Function

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php php array function
PHP array_flip() Function

The array_flip() function is used to exchange the keys with their associated values in an array.

The function returns an array in flip order, i.e. keys from array become values and values from array become keys.

Note: The values of the array need to be valid keys, i.e. they need to be either integer or string. A warning will be emitted if a value has the wrong type, and the key-value pair in question will not be included in the result.

Parameter Description
array Required. Specifies an array of key/value pairs to be flipped

Syntax

 array_flip(array);

Example

$name=array("a"=>"James","b"=>"Lachlan","c"=>"Cooper","d"=>"Samuel");
$result=array_flip($name);
print_r($result);

Output

Array ( [James] => a [Lachlan] => b [Cooper] => c [Samuel] => d ) 

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