【PHP】数组键值对互换
1 2 3 4 5 6 7 | <?php $arrays = array ( "a" => 1, "b" => 1, "c" => 2); print_r( array_flip ( $arrays )); $arrays = array ( 'a' , 'b' , '1' , 2, 3); print_r( array_flip ( $arrays )); ?> |
对应结果:
1 2 3 4 5 6 7 8 9 10 11 12 13 | Array ( [1] => b [2] => c ) Array ( [a] => 0 [b] => 1 [1] => 2 [2] => 3 [3] => 4 ) |
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