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<?php $a = array('a' => 'one', 'b' => 'two'); $b=array('a' => 'three', 'b' => 'four', 'c' => 'five'); //not a union of arrays' values echo '$a + $b : '; print_r ($a + $b); //a union of arrays' values echo "array_unique(array_merge($a,$b)):"; // cribbed from http://oreilly.com/catalog/progphp/chapter/ch05.html print_r (array_unique(array_merge($a,$b)));
Output for git.master, git.master_jit, rfc.property-hooks
$a + $b : Array ( [a] => one [b] => two [c] => five ) Warning: Array to string conversion in /in/o5h63 on line 10 Warning: Array to string conversion in /in/o5h63 on line 10 array_unique(array_merge(Array,Array)):Array ( [a] => three [b] => four [c] => five )

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