$array = ['https://gd1.alicdn.com/imgextra/i2/797209094/O1CN01YcjYtK2H36XstzLpR_!!797209094.jpg',
'https://gd2.alicdn.com/imgextra/i2/797209094/O1CN01KbwQNL2H36Xn1KTZW_!!797209094.jpg',
'https://gd1.alicdn.com/imgextra/i1/797209094/O1CN01FAxHAG2H36Xn50KiP_!!797209094.jpg',
'https://gd1.alicdn.com/imgextra/i1/797209094/O1CN01oD1dIu2H36XqDE6o4_!!797209094.jpg',
'https://gd3.alicdn.com/imgextra/i3/797209094/O1CN01mLHgwZ2H36XnihHWp_!!797209094.jpg']
怎么遍历这个数组,并下载图片到本地,我的php文件在这个路径下'/www/wwwroot/sale/php/',我想把图片下载到这个路径‘'/www/wwwroot/sale/image/'’,
指定文件名i.jpg,有没有人能帮我写下,谢谢