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run code in 500+ PHP versions simultaneously
<?php function main() : iterable { return []; } function main2() : iterable { yield 'Hello'; yield 'World'; return []; } foreach (main() as $line) { var_dump($line); } foreach (main2() as $line) { var_dump($line); }
Output for 4.3.11
Parse error: parse error, unexpected ':', expecting '{' in /in/KXste on line 3
Process exited with code 255.
Output for 7.2.24 - 7.2.34, 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 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
string(5) "Hello" string(5) "World"
preferences:
34.81 ms | 1500 KiB | 8 Q