需要帮助为现有代码添加第二个条件

I am trying to add a second condition to existing code but it doesn't seem to be working.

我试图为现有代码添加第二个条件,但它似乎没有工作。

The conditions are:

条件是:

1. Compare two strings, from different arrays (working)

比较来自不同阵列的两个字符串(工作)

2. And check the value of a third string from a different array (not working)

并检查来自不同数组的第三个字符串的值(不工作)

Here is the working code without the second condition: http://pastebin.com/bfpNb9zw

这是没有第二个条件的工作代码:http://pastebin.com/bfpNb9zw

Here is my attempt:

这是我的尝试:

Basically, the bit I am trying to get working is this part && ($ca = '') && ($ca = '0') && ($ca = '1') but it seems $ca is not able to be read outside the loop

基本上,我试图工作的这一部分是&&($ ca ='')&&($ ca ='0')&&($ ca ='1')但似乎$ ca无法读取在循环之外

if(!function_exists('lookup')){
function lookup($chain, $type) {
    $cacount = count($chain['tbsCertificate']['extensions']);
    for($j = 0; $j < $cacount; $j++) {
        $count = count($chain['tbsCertificate'][$type]['rdnSequence']);
        $exists = array('utf8String', 'printableString', 'teletexString', 'bmpString', 'universalString', 'ia5String');
        $oid = array('id-at-commonName');
        for($i = 0; $i < $count; $i++) {
            foreach($exists as $field) {
                if(
                    array_key_exists($field, $chain['tbsCertificate'][$type]['rdnSequence'][$i][0]['value']) &&
                    in_array($chain['tbsCertificate'][$type]['rdnSequence'][$i][0]['type'], $oid)
                ) {
                    $value = $chain['tbsCertificate'][$type]['rdnSequence'][$i][0]['value'][$field];
                    return $value;
                    $ca = '';
                    if(isset($chain['tbsCertificate']['extensions'][$j]['extnValue']['cA'])) {
                    $ca = $chain['tbsCertificate']['extensions'][$j]['extnValue']['cA'];
                    }
                }
            }
        }
    }
    return null;
    }
}

if (lookup($chain, 'subject') != lookup($chain, 'issuer') && ($ca == '')) {
    echo 'end entity';
    } 
elseif (lookup($chain, 'subject') != lookup($chain, 'issuer') && ($ca == '0')) {
    echo 'secondary ca';
    } 
elseif (lookup($chain, 'subject') != lookup($chain, 'issuer') && ($ca == '1')) {
    echo 'primary ca';
    } else { 
    echo 'Root';
}

1 个解决方案

#1

You are using =, which sets the value of $ca. You should be using === to check the value, instead.

您正在使用=,它设置$ ca的值。您应该使用===来检查值。

Example:

if (lookup($chain, 'subject') != lookup($chain, 'issuer') && ($ca === '')) {
    echo 'end entity';
} 
elseif (lookup($chain, 'subject') != lookup($chain, 'issuer') && ($ca === '0')) {
    echo 'secondary ca';
} 
elseif (lookup($chain, 'subject') != lookup($chain, 'issuer') && ($ca === '1')) {
     echo 'primary ca';
} else { 
    echo 'Root';
}