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php - What i do wrong with stdClass?

问题描述:

var_dump($w);

object(stdClass)#691 (2) { ["name"]=> string(4) "Riga" ["weather"]=> array(7) { [0]=> object(stdClass)#535 (9) { ["w_ico"]=> string(3) "10d" ["dt"]=> int(1470650400) ["temp_day"]=> int(23) ["temp_night"]=> int(19) ["temp_eve"]=> int(23) ["temp_morn"]=> int(23) ["wind_speed"]=> int(8) ["wind_deg"]=> int(231) ["humidity"]=> int(81) } [1]=> object(stdClass)#536 (9) { ["w_ico"]=> string(3) "02d" ["dt"]=> int(1470736800) ["temp_day"]=> int(19) ["temp_night"]=> int(17) ["temp_eve"]=> int(20) ["temp_morn"]=> int(18) ["wind_speed"]=> int(9) ["wind_deg"]=> int(236) ["humidity"]=> int(88) } [2]=> object(stdClass)#537 (9) { ["w_ico"]=> string(3) "10d" ["dt"]=> int(1470823200) ["temp_day"]=> int(18) ["temp_night"]=> int(16) ["temp_eve"]=> int(18) ["temp_morn"]=> int(16) ["wind_speed"]=> int(8) ["wind_deg"]=> int(218) ["humidity"]=> int(94) } [3]=> object(stdClass)#538 (9) { ["w_ico"]=> string(3) "10d" ["dt"]=> int(1470909600) ["temp_day"]=> int(18) ["temp_night"]=> int(15) ["temp_eve"]=> int(16) ["temp_morn"]=> int(16) ["wind_speed"]=> int(5) ["wind_deg"]=> int(207) ["humidity"]=> int(0) } [4]=> object(stdClass)#539 (9) { ["w_ico"]=> string(3) "10d" ["dt"]=> int(1470996000) ["temp_day"]=> int(18) ["temp_night"]=> int(12) ["temp_eve"]=> int(16) ["temp_morn"]=> int(15) ["wind_speed"]=> int(4) ["wind_deg"]=> int(283) ["humidity"]=> int(0) } [5]=> object(stdClass)#540 (9) { ["w_ico"]=> string(3) "10d" ["dt"]=> int(1471082400) ["temp_day"]=> int(18) ["temp_night"]=> int(13) ["temp_eve"]=> int(17) ["temp_morn"]=> int(15) ["wind_speed"]=> int(2) ["wind_deg"]=> int(282) ["humidity"]=> int(0) } [6]=> object(stdClass)#543 (9) { ["w_ico"]=> string(3) "10d" ["dt"]=> int(1471168800) ["temp_day"]=> int(20) ["temp_night"]=> int(16) ["temp_eve"]=> int(19) ["temp_morn"]=> int(16) ["wind_speed"]=> int(6) ["wind_deg"]=> int(201) ["humidity"]=> int(0) } } }

This weather for 5 days ahead, i try to parse this:

foreach ($w as $key=> $value) {

echo $value['weather'][0]['dt'].'<br>';

}

What i do wrong?

网友答案:

$w is an object and $w->weather is an array. What you should do is iterate the array in foreach. Also, each element of the array is an object too. The other thing is you don't need the key inside the foreach.

Try this:

foreach ($w->weather as $value) {
 echo $value->dt.'<br>';  
}
网友答案:

Well it's an object, try this:

$value->weather[0]->dt;
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