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<?php $names = [ ["Rasmus","Lerdorf"], ["Andi","Gutmans"], ["Zeev","Suraski"] ]; foreach ($names as list(&$fname,)) { $fname = strtoupper($fname); echo $fname, "<br>\n"; } var_dump($names);
Output for 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
RASMUS<br> ANDI<br> ZEEV<br> array(3) { [0]=> array(2) { [0]=> string(6) "RASMUS" [1]=> string(7) "Lerdorf" } [1]=> array(2) { [0]=> string(4) "ANDI" [1]=> string(7) "Gutmans" } [2]=> array(2) { [0]=> &string(4) "ZEEV" [1]=> string(7) "Suraski" } }
Output for 7.2.29 - 7.2.33
Fatal error: [] and list() assignments cannot be by reference in /in/QDBAS on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.11
Parse error: syntax error, unexpected 'list' (T_LIST) in /in/QDBAS on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.21
Parse error: syntax error, unexpected '[' in /in/QDBAS on line 2
Process exited with code 255.

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