// Since PHP 7.1: [$b, $a] = [$a, $b]; // Or before 7.1: list($b, $a) = [$a, $b];
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Discussion on: How can you swap two variables without using a third?
Replies for: function swap (&$a, $b, $A) { $a = $b; return $A; } $a = 7; $b = 9; $b = swap($a, $b, $a); echo "a is " . $a; # 9 echo "b is " . $...
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