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run code in 300+ PHP versions simultaneously
<?php function foo() { yield 'a' => 1; yield 'b' => 2; yield 'c' => 3; } $it = foo(); do { echo key($it), "\n", current($it), "\n"; } while($it->next());
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: key(): Calling key() on an object is deprecated in /in/2plqj on line 14 Deprecated: current(): Calling current() on an object is deprecated in /in/2plqj on line 14

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