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body, p, li {
font-family: "Arial", "MingLiU"
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font-family: "Arial", "Microsoft YaHei"
}
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font-family: "MingLiU";
white-space: pre-wrap !important;
word-break: break-all !important
}
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margin-bottom: 3px;
padding: 10px 12px 6px 12px
}
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font-size: 9pt;
font-family: 'Arial';
font-weight: normal;
}
pre.inline {
display: inline;
padding: 0.2em 0;
margin: 0;
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# 表驅動法中的階梯訪問：PHP 參考範例

###### Tags: `Table-driven Methods` `Stair-step Access` `PHP`

表驅動法（Table-driven Methods）階梯訪問（Stair-step Access）的一個簡單的 PHP 範例。

<?php

$x = 13;

$numberNodes = [ 1, 5, 10, 16, 21 ];
$numberTable = [ '0', '1', '2', '3', '4', '5' ];
$numberLevel = 0;

while ($numberLevel < 5)
{
    if ($x >= $numberNodes[$numberLevel])
    {
        ++$numberLevel;
        continue;
    }
    break;
}

echo $numberTable[$numberLevel];    // 3