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run code in 300+ PHP versions simultaneously
<?php function gen(): Generator { yield 1; var_dump(debug_backtrace()); } for ($gen = gen(); $gen->valid(); $gen->next()) { $gen->current(); }
Output for 7.4.0 - 7.4.33, 8.0.1 - 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
array(2) { [0]=> array(2) { ["function"]=> string(3) "gen" ["args"]=> array(0) { } } [1]=> array(7) { ["file"]=> string(9) "/in/XOgoU" ["line"]=> int(10) ["function"]=> string(4) "next" ["class"]=> string(9) "Generator" ["object"]=> object(Generator)#1 (0) { } ["type"]=> string(2) "->" ["args"]=> array(0) { } } }
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 array(2) { [0]=> array(2) { ["function"]=> string(3) "gen" ["args"]=> array(0) { } } [1]=> array(7) { ["file"]=> string(9) "/in/XOgoU" ["line"]=> int(10) ["function"]=> string(4) "next" ["class"]=> string(9) "Generator" ["object"]=> object(Generator)#1 (0) { } ["type"]=> string(2) "->" ["args"]=> array(0) { } } }

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144.66 ms | 403 KiB | 123 Q