I'm taking an array of automatically keyed values, and want to copy
the values to the key as well.
Is there a better way to write this than either of the below? The
foreach + tempvar version bothers me :)
$arr = array( 1, 2, 3 ) ;
then -
$arr = array_combine(array_values($arr), array_values($arr));
or (ew) -
foreach( $arr as $a ) {
$arr2[$a] = $a ;
}
$arr = $arr2 ;
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