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<?php /* * yield expression: what is evaluated first: key or value? */ function genkey($key) { echo "(key) $key\n"; return $key; } function value($value) { echo "(value) $value\n"; return $value; } $gen = function() { foreach(range(0, 2) as $i) { yield genkey(chr(65+$i)) => value($i); } }; iterator_to_array($gen());
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
(key) A (value) 0 (key) B (value) 1 (key) C (value) 2
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 (key) A (value) 0 (key) B (value) 1 (key) C (value) 2

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149.81 ms | 402 KiB | 174 Q