php数组转json

$array = Array('a'=>'one01', 'b'=>'two01', 'c'=>'three01');

echo json_encode( $array );

结果输出

{"a":"one01","b":"two01","c":"three01"}

php json转数组

$json= {"a":"one01","b":"two01","c":"three01"}

echo json_decode( $json );

结果输出

Array('a'=>'one01', 'b'=>'two01', 'c'=>'three01');