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run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = str_repeat('foo', 500000); $y = 'bar'; // $before = microtime(1); $x . $y; // printf('%f'."\n", microtime(1) - $before); // $x = str_repeat('foo', 500000); // $y = 'bar'; // $before = microtime(1); $x .= $y; // printf('%f'."\n", microtime(1) - $before);
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/sPacu on line 20
Process exited with code 255.