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run code in 300+ PHP versions simultaneously
<?php$t = microtime();list($us, $s) = explode(' ', $t);$us *= 1000000;$f = sprintf('%d.%d', $s, $us);var_dump($t, $f);
Output for 5.4.0 - 5.4.32, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?php$t = microtime();list($us, $s) = explode(' ', $t);$us *= 1000000;$f = sprintf('%d.%d', $s, $us);var_dump($t, $f);
Output for 8.0.13
Parse error: syntax error, unexpected variable "$t" in /in/m9fZ5 on line 1
Process exited with code 255.
Output for 5.4.34, 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected '$t' (T_VARIABLE) in /in/m9fZ5 on line 1
Process exited with code 255.

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