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<?php function roundToValues( $search, array $arr ) { foreach( $arr as $item) { echo "i:$item s:$search\n"; if($item<$search){echo "true\n";} } } $arr = [ '0' => '0', '20' => '0-20', '50' => '20-50', '100' => '50-100', '200' => '100-200', '500' => '200-500' ]; var_dump( roundToValues('49.99',$arr) ); ?>
Output for git.master, git.master_jit, rfc.property-hooks
i:0 s:49.99 true i:0-20 s:49.99 true i:20-50 s:49.99 true i:50-100 s:49.99 i:100-200 s:49.99 true i:200-500 s:49.99 true NULL

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