var_dump($str);
// array(4) { [race]=> int(11) [season]=> int(4) [motor]=> int(1) [street]=> int(1) }
怎么foreach后获取
race
season
motor
street
分享到： ?int(11)?[season]=>?int(4)?[motor]=>?int(1)?...' data-pics=>
------解决方案--------------------
foreach(array_keys($str) as $k) echo $k.'
';