array_flip: Exchanges all keys with their associated values in an array : Array Function « Data Structure « PHP






array_flip: Exchanges all keys with their associated values in an array

<?php
   $state = array("Delaware","Pennsylvania","New Jersey");
   $state = array_flip($state);
   print_r($state);
   // Array ( [Delaware] => 0 [Pennsylvania] => 1 [New Jersey] => 2 )
?>

           
       








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18.array_pop: Pop the element off the end of array
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20.array_pad: Pad array to the specified length with a value
21.Using the array_push () Function
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24.Using_the array_shift () Function
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31.array_sum: Calculate the sum of values in an array
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