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<?php $number = 1346.21; var_dump(round($number)); var_dump(round($number, -1)); var_dump(round($number, -2)); var_dump(round($number, -3)); var_dump(round($number, -4)); var_dump(round($number, -100));
Output for git.master, git.master_jit, rfc.property-hooks
float(1346) float(1350) float(1300) float(1000) float(0) float(0)

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