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<?php $ids = ['q1', 'q2']; $values = [1, 2]; $equation = 'q1*(q2-1)'; echo eval(str_replace($ids, $values, $equation));
Output for git.master, git.master_jit, rfc.property-hooks
Parse error: syntax error, unexpected end of file in /in/ratJp(6) : eval()'d code on line 1
Process exited with code 255.

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