Question

我收到＆＃34;非法字符串偏移＆＃34;具有我尝试访问的密钥的数组上的错误：

PHP版本5.5.12

这会导致错误：

$avg = $season['avg'];

这是var_dump（$ season）的结果：

array (size=38)
    'hr' => string '4' (length=1)
    'gidp' => string '2' (length=1)
    'irs' => string '0' (length=1)
    'np' => string '819' (length=3)
    'team_count' => string '1' (length=1)
    'era' => string '2.13' (length=4)
    'sport_code' => string 'mlb' (length=3)
    'sho' => string '0' (length=1)
    'bk' => string '0' (length=1)
    'sport_id' => string '1' (length=1)
    'sv' => string '0' (length=1)
    'avg' => string '.216' (length=4)
    'whip' => string '0.88' (length=4)
    'bb' => string '6' (length=1)
    'ir' => string '0' (length=1)
    'g' => string '9' (length=1)
    'so' => string '39' (length=2)
    'tbf' => string '244' (length=3)
    'wp' => string '1' (length=1)
    'sport' => string 'MLB' (length=3)
    'l' => string '2' (length=1)
    'svo' => string '0' (length=1)
    'hb' => string '3' (length=1)
    'h' => string '50' (length=2)
    'ip' => string '63.1' (length=4)
    'w' => string '4' (length=1)
    's' => string '561' (length=3)
    'ao' => string '46' (length=2)
    'season' => string '2014' (length=4)
    'r' => string '17' (length=2)
    'go_ao' => string '2.17' (length=4)
    'cg' => string '1' (length=1)
    'player_id' => string '218596' (length=6)
    'ab' => string '231' (length=3)
    'gs' => string '9' (length=1)
    'ibb' => string '1' (length=1)
    'er' => string '15' (length=2)
    'go' => string '100' (length=3);

这个数组被从一个更大的数组中剥离出来，该数组是通过在Web请求上使用json_decode创建的。我能够访问父数据数组来提取它。

我不知所措。我试过去投它。 gettype返回＆＃39;数组＆＃39;。任何想法都将不胜感激。

由于

//编辑：

我简化了上述问题。这是一个更准确的例子：

public function getPitcherAvg($id)
{
    $stats = $this->getPitcherStats($id);
    $stats = $stats['sport_pitching_composed']['sport_pitching_agg']['queryResults']['row'];

    foreach ($stats as $season)
    {
        if ($season['season'] == 2014)
        {
            $avg = $season['avg'];
        }
    }

    return $avg;
}


public function getPitcherStats($id)
{
    $year = date("Y");
    $url = "http://mlb.mlb.com/lookup/json/named.sport_pitching_composed.bam?game_type=%27R%27&sport_code=%27mlb%27&sort_by=%27season_asc%27&player_id={$id}&sport_pitching_composed.season=2014";
    $json = file_get_contents($url);

    return json_decode($json, true);
}

Answer 1

事实证明我的数据并非始终如一（有时候数组没有嵌套）。

通过更改：

修正了它

public function getPitcherAvg($id)
{
    $stats = $this->getPitcherStats($id);
    $stats = $stats['sport_pitching_composed']['sport_pitching_agg']['queryResults']['row'];

    foreach ($stats as $season)
    {
        if ($season['season'] == 2014)
        {
            $avg = $season['avg'];
        }
    }

    return $avg;
}

对此：

public function getPitcherAvg($id)
{
    $stats = $this->getPitcherStats($id);
    $seasons = $stats['sport_pitching_composed']['sport_pitching_agg']['queryResults']['row'];

    foreach ($seasons as $key => $season)
    {
        if (!is_array($season))
        {
            if ($key == 'avg') $avg = $season;
        }           
        elseif ($season['season'] == 2014)
        {
            $avg = $season['avg'];
        }
    }

    return $avg;
}

PHP 5.5.12有效数组上的非法字符串偏移量

1 个答案: