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run code in 150+ php & hhvm versions
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<?php function foo($a) { $a = 10; var_dump(func_get_args()); } foo(5);
based on eBMIR
Output for 7.0.0 - 7.1.0
array(1) { [0]=> int(10) }
Output for 4.3.0 - 5.6.28
array(1) { [0]=> int(5) }