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run code in 150+ php & hhvm versions
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<?php <?php $num = (float) 0xffffffffffffffff; $inverted = 0xffffffffffffffff & 0x0; var_dump($inverted); $plusone = -($inverted + 1); var_dump( $plusone );
Output for 5.3.0 - 5.4.16
Parse error: syntax error, unexpected '<' in /in/KrfaJ on line 3
Process exited with code 255.