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<?php $a = array('one','two'); $b=array('three','four','five'); //not a union of arrays' values echo '$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 ( [0] => one [1] => two [2] => five ) Warning: Array to string conversion in /in/SnRgj on line 10 Warning: Array to string conversion in /in/SnRgj on line 10 array_unique(array_merge(Array,Array)):Array ( [0] => one [1] => two [2] => three [3] => four [4] => five )

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