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run code in 300+ PHP versions simultaneously
<?php function foo() { yield 0 => "a"; yield 1 => "b"; yield 2 => "c"; yield 0 => "d"; } foreach (foo() as $key => $value) { var_dump($key, $value); } var_dump(iterator_to_array(foo()));
Output for 5.6.38, 7.0.33, 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
int(0) string(1) "a" int(1) string(1) "b" int(2) string(1) "c" int(0) string(1) "d" array(3) { [0]=> string(1) "d" [1]=> string(1) "b" [2]=> string(1) "c" }
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 int(0) string(1) "a" int(1) string(1) "b" int(2) string(1) "c" int(0) string(1) "d" array(3) { [0]=> string(1) "d" [1]=> string(1) "b" [2]=> string(1) "c" }

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110.39 ms | 402 KiB | 156 Q