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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 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
$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 )
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
$a + $b : Array ( [0] => one [1] => two [2] => five ) Notice: Array to string conversion in /in/SnRgj on line 10 Notice: 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 )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
$a + $b : Array ( [0] => one [1] => two [2] => five ) array_unique(array_merge(Array,Array)):Array ( [0] => one [1] => two [2] => three [3] => four [4] => five )
preferences:
231.38 ms | 403 KiB | 309 Q