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run code in 300+ PHP versions simultaneously
<?php function f(int $i1 = null, ?int $i2, int|null $i3){ $i4 = func_get_args()[3] ?? null; var_dump($i1,$i2,$i3, $i4); } f(null,null,null,null);
Output for 8.4.1 - 8.4.12
Deprecated: f(): Implicitly marking parameter $i1 as nullable is deprecated, the explicit nullable type must be used instead in /in/PImcf on line 3 NULL NULL NULL NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25
NULL NULL NULL NULL
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected '|', expecting variable (T_VARIABLE) in /in/PImcf on line 3
Process exited with code 255.

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