php循环输出字符串中内容

[
{"title":"[江中]健胃消食片(儿童)0.5g*12片*3板/盒","short_title":"000007","sub_title":"","option_title":"","thumb":"image/1/2022/09/c9119e94719ee3260806505d8753523b.jpg","option_thumb":null,"goods_code":"000007","unit":" 件 ","type":"7","goods_id":"185","stock":"2","option_id":"0","total":"2","price":19.8,"price_unit":"18.00","price_original":19.8,"price_discount":16.2,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":{"full_reduce":{"rule":{"full_reduce":{"id":"76","shop_id":"1","sub_shop_id":"0","type":"fullReduce","inner_type":"0","title":"乳酸菌素片-副本","status":"0","start_time":"2022-10-25 00:00:00","end_time":"2024-05-08 00:00:00","goods_ids":["185","511","4476"],"option_ids":null,"client_type":"21","rules":{"type":"4","preferential_type":"1","preferential_ceiling_type":"0","preferential_ceiling_money":"","is_commission":"1","preferential_rules":[{"condition":"3","value":"5.5"}]},"description":null,"is_deleted":"0","stop_time":"0000-00-00 00:00:00","create_time":"2022-10-25 17:44:08","update_time":"2022-10-25 17:44:08","is_preheat":"0","preheat_time":"0000-00-00 00:00:00","goods_join_type":"2"}},"price":16.2}},"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16412},

{"title":"中光牌75%免洗手消毒凝胶500ml","short_title":"211426","sub_title":"","option_title":"","thumb":"image/1/2022/08/e4a058f11fa0863fbd20a97d3d1a0208.jpg","option_thumb":null,"goods_code":"211426","unit":" 件 ","type":"7","goods_id":"3878","stock":"54","option_id":"0","total":"1","price":16,"price_unit":"16.00","price_original":16,"price_discount":0,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":[],"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16413},


{"title":"[江中]乳酸菌素片0.4g*32片","short_title":"014493","sub_title":"","option_title":"","thumb":"image/1/2022/11/a52a9552025661f15221368dccba17b2.jpg","option_thumb":null,"goods_code":"014493","unit":" 件 ","type":"7","goods_id":"4476","stock":"10","option_id":"0","total":"1","price":9.9,"price_unit":"18.00","price_original":9.9,"price_discount":8.1,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0","goods_unit_type":"1"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":{"full_reduce":{"rule":{"full_reduce":{"id":"76","shop_id":"1","sub_shop_id":"0","type":"fullReduce","inner_type":"0","title":"乳酸菌素片-副本","status":"0","start_time":"2022-10-25 00:00:00","end_time":"2024-05-08 00:00:00","goods_ids":["185","511","4476"],"option_ids":null,"client_type":"21","rules":{"type":"4","preferential_type":"1","preferential_ceiling_type":"0","preferential_ceiling_money":"","is_commission":"1","preferential_rules":[{"condition":"3","value":"5.5"}]},"description":null,"is_deleted":"0","stop_time":"0000-00-00 00:00:00","create_time":"2022-10-25 17:44:08","update_time":"2022-10-25 17:44:08","is_preheat":"0","preheat_time":"0000-00-00 00:00:00","goods_join_type":"2"}},"price":8.1}},"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16414}

]

上面是字段a 中的内容，怎么才能循环输出

1、title=[江中]健胃消食片(儿童)0.5g12片3板/盒 goods_code=000007 stock=2
2、title=中光牌75%免洗手消毒凝胶500ml goods_code=211426 stock=54
3、title=[江中]乳酸菌素片0.4g*32片 goods_code=014493 stock=10

json_decode转对象数组后遍历

<meta charset="utf-8"/>
<?php

$s=<<<s
[
{"title":"[江中]健胃消食片(儿童)0.5g*12片*3板/盒","short_title":"000007","sub_title":"","option_title":"","thumb":"image/1/2022/09/c9119e94719ee3260806505d8753523b.jpg","option_thumb":null,"goods_code":"000007","unit":" 件 ","type":"7","goods_id":"185","stock":"2","option_id":"0","total":"2","price":19.8,"price_unit":"18.00","price_original":19.8,"price_discount":16.2,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":{"full_reduce":{"rule":{"full_reduce":{"id":"76","shop_id":"1","sub_shop_id":"0","type":"fullReduce","inner_type":"0","title":"乳酸菌素片-副本","status":"0","start_time":"2022-10-25 00:00:00","end_time":"2024-05-08 00:00:00","goods_ids":["185","511","4476"],"option_ids":null,"client_type":"21","rules":{"type":"4","preferential_type":"1","preferential_ceiling_type":"0","preferential_ceiling_money":"","is_commission":"1","preferential_rules":[{"condition":"3","value":"5.5"}]},"description":null,"is_deleted":"0","stop_time":"0000-00-00 00:00:00","create_time":"2022-10-25 17:44:08","update_time":"2022-10-25 17:44:08","is_preheat":"0","preheat_time":"0000-00-00 00:00:00","goods_join_type":"2"}},"price":16.2}},"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16412},
{"title":"中光牌75%免洗手消毒凝胶500ml","short_title":"211426","sub_title":"","option_title":"","thumb":"image/1/2022/08/e4a058f11fa0863fbd20a97d3d1a0208.jpg","option_thumb":null,"goods_code":"211426","unit":" 件 ","type":"7","goods_id":"3878","stock":"54","option_id":"0","total":"1","price":16,"price_unit":"16.00","price_original":16,"price_discount":0,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":[],"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16413},
{"title":"[江中]乳酸菌素片0.4g*32片","short_title":"014493","sub_title":"","option_title":"","thumb":"image/1/2022/11/a52a9552025661f15221368dccba17b2.jpg","option_thumb":null,"goods_code":"014493","unit":" 件 ","type":"7","goods_id":"4476","stock":"10","option_id":"0","total":"1","price":9.9,"price_unit":"18.00","price_original":9.9,"price_discount":8.1,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0","goods_unit_type":"1"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":{"full_reduce":{"rule":{"full_reduce":{"id":"76","shop_id":"1","sub_shop_id":"0","type":"fullReduce","inner_type":"0","title":"乳酸菌素片-副本","status":"0","start_time":"2022-10-25 00:00:00","end_time":"2024-05-08 00:00:00","goods_ids":["185","511","4476"],"option_ids":null,"client_type":"21","rules":{"type":"4","preferential_type":"1","preferential_ceiling_type":"0","preferential_ceiling_money":"","is_commission":"1","preferential_rules":[{"condition":"3","value":"5.5"}]},"description":null,"is_deleted":"0","stop_time":"0000-00-00 00:00:00","create_time":"2022-10-25 17:44:08","update_time":"2022-10-25 17:44:08","is_preheat":"0","preheat_time":"0000-00-00 00:00:00","goods_join_type":"2"}},"price":8.1}},"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16414}
]
s;

$lst=json_decode($s,true);
foreach($lst as $k=>$v){
    echo $k+1;
    echo "、".$v['title'];
    echo " goods_code=".$v['short_title'];
    echo " stock=".$v['stock'];
    echo "<br>";
}

$json_str = <<<'HEREB'
[
    {"title":"[江中]健胃消食片(儿童)0.5g*12片*3板/盒","short_title":"000007","sub_title":"","option_title":"","thumb":"image/1/2022/09/c9119e94719ee3260806505d8753523b.jpg","option_thumb":null,"goods_code":"000007","unit":" 件 ","type":"7","goods_id":"185","stock":"2","option_id":"0","total":"2","price":19.8,"price_unit":"18.00","price_original":19.8,"price_discount":16.2,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":{"full_reduce":{"rule":{"full_reduce":{"id":"76","shop_id":"1","sub_shop_id":"0","type":"fullReduce","inner_type":"0","title":"乳酸菌素片-副本","status":"0","start_time":"2022-10-25 00:00:00","end_time":"2024-05-08 00:00:00","goods_ids":["185","511","4476"],"option_ids":null,"client_type":"21","rules":{"type":"4","preferential_type":"1","preferential_ceiling_type":"0","preferential_ceiling_money":"","is_commission":"1","preferential_rules":[{"condition":"3","value":"5.5"}]},"description":null,"is_deleted":"0","stop_time":"0000-00-00 00:00:00","create_time":"2022-10-25 17:44:08","update_time":"2022-10-25 17:44:08","is_preheat":"0","preheat_time":"0000-00-00 00:00:00","goods_join_type":"2"}},"price":16.2}},"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16412},
    {"title":"中光牌75%免洗手消毒凝胶500ml","short_title":"211426","sub_title":"","option_title":"","thumb":"image/1/2022/08/e4a058f11fa0863fbd20a97d3d1a0208.jpg","option_thumb":null,"goods_code":"211426","unit":" 件 ","type":"7","goods_id":"3878","stock":"54","option_id":"0","total":"1","price":16,"price_unit":"16.00","price_original":16,"price_discount":0,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":[],"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16413},
    {"title":"[江中]乳酸菌素片0.4g*32片","short_title":"014493","sub_title":"","option_title":"","thumb":"image/1/2022/11/a52a9552025661f15221368dccba17b2.jpg","option_thumb":null,"goods_code":"014493","unit":" 件 ","type":"7","goods_id":"4476","stock":"10","option_id":"0","total":"1","price":9.9,"price_unit":"18.00","price_original":9.9,"price_discount":8.1,"extra":null,"ext_field":{"show_sales":"0","show_stock":"1","invoice":"0","refund":"1","return":"1","exchange":"1","is_delivery_pay":"0","auto_putaway":"0","single_max_buy":"","single_min_buy":"","max_buy":"","buy_limit":"0","putaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","share_title_type":"0","deduction_gift_card_type":"0","deduction_gift_card":"","deduction_gift_card_repeat":"0","note":"","goods_stock_warning_type":1,"stock_warning_type":0,"stock_warning_number":0,"stock_warning_scale":0,"warehouseSettings":"","option_type":"0","is_prescription":1,"goods_batch":[{"index":0,"value":""}],"youyu":{"category_1":"","category_2":""},"offaway_time":"0NaN-NaN-NaN NaN:NaN:NaN","buy_button_settings":[],"buy_button_type":"0","goods_unit_type":"1"},"auto_deliver":"0","auto_deliver_content":"","plugin_identification":{"is_commission":"1"},"activity_package":{"full_reduce":{"rule":{"full_reduce":{"id":"76","shop_id":"1","sub_shop_id":"0","type":"fullReduce","inner_type":"0","title":"乳酸菌素片-副本","status":"0","start_time":"2022-10-25 00:00:00","end_time":"2024-05-08 00:00:00","goods_ids":["185","511","4476"],"option_ids":null,"client_type":"21","rules":{"type":"4","preferential_type":"1","preferential_ceiling_type":"0","preferential_ceiling_money":"","is_commission":"1","preferential_rules":[{"condition":"3","value":"5.5"}]},"description":null,"is_deleted":"0","stop_time":"0000-00-00 00:00:00","create_time":"2022-10-25 17:44:08","update_time":"2022-10-25 17:44:08","is_preheat":"0","preheat_time":"0000-00-00 00:00:00","goods_join_type":"2"}},"price":8.1}},"form_data":null,"form_status":"0","form_id":"0","virtual_account_id":null,"virtual_account_mailer_setting":null,"is_all_verify":"1","order_goods_id":16414}
]
HEREB;
$arr = json_decode($json_str,true);
$num = count($arr);
for($i=0;$i<$num;++$i){
    echo ($i+1) . "、 ";
    $it = $arr[$i];
    echo "title=".$it['title']." goods_code=".$it['goods_code']." stock=".$it['stock']."\n";
}