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<?php var_dump((numeric) "2.0");
Output for 7.0.0
Parse error: syntax error, unexpected '"2.0"' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ')' in /in/Sn4W9 on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '"2.0"' (T_CONSTANT_ENCAPSED_STRING) in /in/Sn4W9 on line 3
Process exited with code 255.

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