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<?php $x = 'hi'; $y = 'hihe'; var_dump(xdiff_string_diff($, $y));
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected ',', expecting variable (T_VARIABLE) or '{' or '$' in /in/k0SsK on line 6
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected ',', expecting variable (T_VARIABLE) or '$' in /in/k0SsK on line 6
Process exited with code 255.

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