从硬数组中提取PHP

Question

如何通过PHP从这个数组中提取所有元素？

我试着用array_slice，但没什么用

我的主要问题是，我需要得到所有的意义，而不仅仅是最后的意义。因此，它将在不同的编码下包含在“产品”中--尽管数组的键是相同的。

我不知道怎么做，请帮帮忙，已经把我的头弄断了

  "measures": [{
      "symbol": "CP",
      "label": "Prohibition except under defined conditions",
      "products": [{
        "hs_version": "HS-17",
        "chapter": "29",
        "code": "290377",
        "reported_code": "ex 2903 77\u00a0600 0",
        "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens, perhalogenated only with fluorine and chlorine (excl. chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
        "reported_description": "CFCl3 (CFC-11) Trichlorofluoromethane",
        "interpreted": 0
      }, {
        "hs_version": "HS-17",
        "chapter": "29",
        "code": "290379",
        "reported_code": "ex 2903 79\u00a0300 0",
        "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens (excl. perhalogenated, and chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
        "reported_description": "C3H6FCl (HCFC-271) Chlorofluoropropane",
        "interpreted": 0
      }]
    }, {
      "symbol": "NAL-X",
      "label": "Non-automatic licensing",
      "products": [{
        "hs_version": "HS-17",
        "chapter": "29",
        "code": "290377",
        "reported_code": "ex 2903 77\u00a0600 0",
        "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens, perhalogenated only with fluorine and chlorine (excl. chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
        "reported_description": "CFCl3 (CFC-11) Trichlorofluoromethane",
        "interpreted": 0
      }, {
        "hs_version": "HS-17",
        "chapter": "29",
        "code": "290379",
        "reported_code": "ex 2903 79\u00a0300 0",
        "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens (excl. perhalogenated, and chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
        "reported_description": "C3H6FCl (HCFC-271) Chlorofluoropropane",
        "interpreted": 0
      }]
       }]

我想谈谈这件事

符号: CP标签:禁止，除非在规定的条件下 代码: 290377 报告代码: ex 2903 77\u00a0600 0 代码: 290379 报告代码: ex 2903 79\u00a0300 0 文号: NAL-X 标签:非自动授权 代码: 290377 报告代码: ex 2903 77\u00a0600 0 代码: 290379 报告代码: ex 2903 79\u00a0300 0

此外，我在一个变量中通过返回来返回所有这些

我试着这样写

$rbn = array_slice($dfs2['measures'], 1);
foreach ($rbn as $dfs4){ 
$jko4 = '<span style="color:#fff;">Label:</span> '.$dfs4['label'].'<br><span style="color:#fff;">Symbol:</span> '.$dfs4['symbol'].'';
foreach ($dfs4['products'] as $dfs5){
$jko3 = $dfs5['reported_description'];
}}

一开始，我有这样一个密码

​

foreach ($dfs2['measures'] as $dfs4){ 
$jko4 = '<span style="color:#fff;">Label:</span> '.$dfs4['label'].'<br><span style="color:#fff;">Symbol:</span> '.$dfs4['symbol'].'';
foreach ($dfs4['products'] as $dfs5){
$jko3 = '<span style="color:#fff;">HS Version:</span> '.$dfs5['hs_version'].'<br><span style="color:#fff;">Code:</span> '.$dfs5['code'].'<br><span style="color:#fff;">Description:</span> '.$dfs5['description'].'<br><span style="color:#fff;">Reported Description:</span> '.$dfs5['reported_description'].'';
}}

​

但是在这个版本中，它输出循环的最后一个元素(因为每次它被覆盖)，并且它也只从第一个忽略第二个数组的数组输出数据。

我的全部实际代码：

​

...

$zur = [];
foreach ($handles as $channel) {
$html = curl_multi_getcontent($channel);
$zur[] = json_decode($html, true, 999, JSON_THROW_ON_ERROR);
curl_multi_remove_handle ($multi, $channel);
}

curl_multi_close ($multi);

$dfs = [];
foreach ($zur as $zur2){
foreach ($zur2 as $zur3){
$dfs[] = $zur3;
}   
}
foreach ($dfs as $dfs2){
if ($dfs2['administrative_mechanisms'][0]):
$rop = '<h4>Administrative Mechanisms</h4>'.$dfs2['administrative_mechanisms'].'';  
endif;  
foreach ($dfs2['wto_agreements'] as $dfs3):
$jko2 = '<span style="color:#fff;">Agreement Label:</span> '.$dfs3['agreement_label'].'</span><br><span style="color:#fff;">Article Code:</span> <a href="'.$dfs3['agreement_web_link'].'" target="_blank" style="color:#00aeff">'.$dfs3['article_code'].'</a></span><br><span style="color:#fff;">Article Index:</span> '.$dfs3['article_index'].'</span><br><span style="color:#fff;">Article Description:</span> '.$dfs3['article_description'].'</span></dd>';
endforeach;
foreach ($dfs2['measures'] as $dfs4){ 
$jko4 = '<span style="color:#fff;">Label:</span> '.$dfs4['label'].'<br><span style="color:#fff;">Symbol:</span> '.$dfs4['symbol'].'';
foreach ($dfs4['products'] as $dfs5){
$jko3 = '<span style="color:#fff;">HS Version:</span> '.$dfs5['hs_version'].'<br><span style="color:#fff;">Code:</span> '.$dfs5['code'].'<br><span style="color:#fff;">Description:</span> '.$dfs5['description'].'<br><span style="color:#fff;">Reported Description:</span> '.$dfs5['reported_description'].'';
}}
$jkk .= '<dt><span>'.$dfs2['description'].'</span><div class="acc-icon-wrap parallax-wrap"><div class="acc-button-icon parallax-element"><i class="fa fa-angle-down"></i></div></div></dt><dd class="accordion-content"><h4>Document Symbol</h4>'.$dfs2['document_symbol'].'<h4>National Legal Bases</h4>'.$dfs2['national_legal_bases'].''.$rop.'<h4>Relevance</h4><span style="color:#fff;">Date From:</span> '.$dfs2['period_from_dt'].' <span style="color:#fff;">Date To:</span> '.$dfs2['period_to_dt'].' <span style="color:#fff;">In Force</span> '.$dfs2['in_force_dt'].'<h4>Measures</h4>'.$jko4.'<h4>Products</h4>'.$jko3.'<h4>WTO Agreements</h4>'.$jko2.'';
}
return '<dl class="accordion has-animation">'.$jkk.'</dl>';

​

Answer 1

  $data = '{"measures": [{
        "symbol": "CP",
        "label": "Prohibition except under defined conditions",
        "products": [{
          "hs_version": "HS-17",
          "chapter": "29",
          "code": "290377",
          "reported_code": "ex 2903 77\u00a0600 0",
          "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens, perhalogenated only with fluorine and chlorine (excl. chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
          "reported_description": "CFCl3 (CFC-11) Trichlorofluoromethane",
          "interpreted": 0
        }, {
          "hs_version": "HS-17",
          "chapter": "29",
          "code": "290379",
          "reported_code": "ex 2903 79\u00a0300 0",
          "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens (excl. perhalogenated, and chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
          "reported_description": "C3H6FCl (HCFC-271) Chlorofluoropropane",
          "interpreted": 0
        }]
      }, {
        "symbol": "NAL-X",
        "label": "Non-automatic licensing",
        "products": [{
          "hs_version": "HS-17",
          "chapter": "29",
          "code": "290377",
          "reported_code": "ex 2903 77\u00a0600 0",
          "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens, perhalogenated only with fluorine and chlorine (excl. chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
          "reported_description": "CFCl3 (CFC-11) Trichlorofluoromethane",
          "interpreted": 0
        }, {
          "hs_version": "HS-17",
          "chapter": "29",
          "code": "290379",
          "reported_code": "ex 2903 79\u00a0300 0",
          "description": "Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens (excl. perhalogenated, and chlorodifluoromethane, dichlorotrifluoroethanes, dichlorofluoroethanes, chlorodifluoroethanes, dichloropentafluoropropanes, bromochlorodifluoromethane, bromotrifluoromethane and dibromotetrafluoroethanes)",
          "reported_description": "C3H6FCl (HCFC-271) Chlorofluoropropane",
          "interpreted": 0
        }]
  }]}';
       
  $array = json_decode($data, true);
  
  $output = '';
  
  foreach ($array['measures'] as $measure) {
    $symbol = $measure['symbol'];
    $label = $measure['label'];
    
    $output .= '<p>';
    
      $output .= 'Symbol: '.$symbol.'<br/>';
      $output .= 'Label: '.$label.'<br/>';

        foreach ($measure['products'] as $product) {
          $code = $product['code'];
          $reported_code = $product['reported_code'];

          $output .= 'Code: '.$code.'<br/>';
          $output .= 'Reported Code: '.$reported_code.'<br/>';
        }

    $output .= '</p>';
  }
  
  echo $output;

将产出：

Symbol: CP
Label: Prohibition except under defined conditions
Code: 290377
Reported Code: ex 2903 77Â 600 0
Code: 290379
Reported Code: ex 2903 79Â 300 0

Symbol: NAL-X
Label: Non-automatic licensing
Code: 290377
Reported Code: ex 2903 77Â 600 0
Code: 290379
Reported Code: ex 2903 79Â 300 0

Answer 2

您可以使用ob_start()和ob_get_clean()函数。

这样，您就不必将HTML分配给变量，而是可以输出输出缓冲区，然后在一次返回中获得整个缓冲区。

您的函数应该如下所示( 你可以在这里看到它是如何工作的 )：

function get_measures( $data ) {
    ob_start();
    
    foreach ($data['measures'] as $dfs4){ 
        echo '<div><span style="color:#fff;">Symbol:</span> '.$dfs4['symbol'].'</div>';
        echo '<div><span style="color:#fff;">Label:</span> '.$dfs4['label'].'</div>';
        
        foreach ($dfs4['products'] as $dfs5){
            echo '<br />';
            echo '<div><span style="color:#fff;">Code:</span> '.$dfs5['code'].'</div>';
            echo '<div><span style="color:#fff;">Reported Code:</span> '.$dfs5['reported_code'].'</div>';
        }
        
        echo '<br /><br />';
    }
    
    return ob_get_clean();  
}

对于这段代码，还有其他一些事情可以做得更好，但这不在这个问题的范围之内。