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<?php $var1 = 444; $var2 = 444; $test = function() use(&$var1, &$var2){ $var1 = $var1; // & not specified $var2_local = $var2; // & not specified $var1 = 333; $var2_local = 333; }; $test(); var_dump($var1); var_dump($var2);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(333) int(444)
preferences:
91.23 ms | 1543 KiB | 4 Q