Question

我有一个类似下面的数组

1 => "Los Angeles" 
2 => "California" 
3 => "St. Louis" 
4 => "Missouri" 
5 => "Boston" 
6 => "Massachusetts"

我想将其更改为关联数组，因此每个奇数条目索引都是City，每个偶数条目都是state。如果这是有道理的，请告诉我。

Answer 1

此解决方案适合您

    <?php
  $myarray = array("1" => "Los Angeles" ,
"2" => "California" ,
"3" => "St. Louis" ,
"4" => "Missouri" ,
"5" => "Boston" ,
"6" => "Massachusetts");
    var_dump($myarray);
?>

RESULT-array（6）{[1] =＆gt; string（11）“洛杉矶”[2] =＆gt; string（10）“California”[3] =＆gt; string（9）“St. Louis”[4] =＆gt; string（8）“Missouri”[5] =＆gt; string（6）“Boston”[6] =＆gt; string（13）“Massachusetts”}

Answer 2

数组键的名称不能相同。他们必须是＆＃39; city1＆＃39;，＆＃39; city2＆＃39;等等

Answer 3

根据您输入的标题，您希望拥有关联数组，但您希望所有索引都相同，这是不可能的。阅读超出你的问题的行，如果我理解正确，你的数组中的所有奇数项目都是城市，甚至项目是州，你想分开它？然后尝试下面：

jacoco {
      toolVersion = "0.7.1.201405082137"
}

def coverageSourceDirs = {
         '../app/src'
}

task jacocoTestReport(type: org.gradle.testing.jacoco.tasks.JacocoReport, dependsOn: "test"){
    group = "Reporting"
    description = "Generate Jacoco coverage reports"
    classDirectories = fileTree(
          dir: '../app/build/intermediates/classes',
          excludes: ['**/R.class',
                     '**/R$.class',
                     '**/*$ViewInjector*.*',
                     '**/BuildConfig.*',
                     '**/Manifest*.*']
    )
   additionalSourceDirs = files(coverageSourceDirs)
   sourceDirectories = files(coverageSourceDirs)
   executionData = files('../app/build/jacoco/testDebugUnitTest.exec')

   reports {
      xml.enabled = true
      html.enabled = true
   }
}

输出：

<?php
$scrambled_city_state = array(
    1 => "Los Angeles",
    2 => "California",
    3 => "St. Louis",
    4 => "Missouri",
    5 => "Boston",
    6 => "Massachusetts"
);
$cities = array();
$states = array();
foreach ($scrambled_city_state as $key => $city_state) {
    if ($key % 2 == 0) {

        // state
        $states[] = $city_state;
    } 
    else {

        // city
        $cities[] = $city_state;
    }
}
var_dump($cities, $states);
?>

将索引数组更改为关联数组

3 个答案: