Question

在这个循环中，我每次都在迭代数组并执行API调用。这工作正常，但我一直在阅读使用变量变量并不是一个好习惯。如何在不使用它们的情况下重写此代码？

编辑：我没有使用数组，因为我必须将变量传递到另一个模板以及该数组之外的其他变量。

template( 'template-name', [ 'graphOne' => $graphOne, 'graphTwo' => $graphTwo, 'outsideVar' => $anothervalue ] );

<?php 

// Array of categories for each graph
$catArray = [
    'One'   => '3791741',
    'Two'   => '3791748',
    'Three' => '3791742',
    'Four'  => '3791748'
];

foreach ( $catArray as $graphNum => $cat )
{
        // Hit API
        $graph_results = theme( 'bwatch_graph_call', [
                'project'  => '153821205',
                'category' => $cat
            ]
        );

        ${"graph{$graphNum}"} = $graph_results;
        // Outputs $graphOne, $graphTwo, $graphThree...

}

// Pass vars to template
template( 'template-name', [ 
'graphOne' => $graphOne,
'graphTwo' => $graphTwo,
'outsideVar' => $anothervalue ] 
);

Answer 1

如果您有多个具有不同key =＆gt;值对的数组，则可以在进行array_merge调用时使用PHP template()。

http://php.net/array_merge

如果您想要传递给模板的多个数组（key =＆gt;值对），这是一个示例。

// Array of categories for each graph
$catArray = [
    'One'   => '3791741',
    'Two'   => '3791748',
    'Three' => '3791742',
    'Four'  => '3791748'
];

// Array of category results
$catResult = [];

foreach ( $catArray as $graphNum => $cat )
{
        // Hit API
        $catResult['graph' . $graphNum] = theme( 'bwatch_graph_call', [
                'project'  => '153821205',
                'category' => $cat
            ]
        );
}

// Now you have an array of results like...
// $catResult['graphOne'] = 'result for One';
// $catResult['graphTwo'] = 'result for Two';

$otherArray1 = ['outsideVar' => $anothervalue];

$otherArray2 = ['somethingElse' => $oneMoreValue];

// Pass all arrays as one
template('template-name', array_merge($catResult, $otherArray1, $otherArray2));

替代PHP中的变量变量

1 个答案: