can anybody help me to get an specific entry from a website with PHP?
任何人都可以帮助我从PHP网站获取特定条目?
These Information is on the website: "price": "10.03"
I want to extract only the price: 10.03.
这些信息在网站上:“价格”:“10.03”我只想提取价格:10.03。
I want to use Regex. I am testing my regular expression with an online tool. But is not right: ("price": ")[0-9][.]*
我想用Regex。我正在使用在线工具测试我的正则表达式。但是不对:(“价格”:“)[0-9] [。] *
Can anybody help me?
有谁能够帮助我?
2 个解决方案
#1
1
This will work
这会奏效
"price": "(\d+(?:\.\d+)?)
You can also use
你也可以使用
"price": "([^"]+)
PHP Code
$re = "/\"price\": \"(\\d+(?:\\.\\d+)?)/";
$str = "\"price\": \"10.03\"";
preg_match($re, $str, $matches);
print_r($matches[1]);
#2
1
The content is formatted in json
, use json_decode, i.e.:
内容格式为json,使用json_decode,即:
<?php
$json = '{"price": "10.03"}';
$decodeJson = json_decode($json, true);
echo $decodeJson['price'];
//10.03
#1
1
This will work
这会奏效
"price": "(\d+(?:\.\d+)?)
You can also use
你也可以使用
"price": "([^"]+)
PHP Code
$re = "/\"price\": \"(\\d+(?:\\.\\d+)?)/";
$str = "\"price\": \"10.03\"";
preg_match($re, $str, $matches);
print_r($matches[1]);
#2
1
The content is formatted in json
, use json_decode, i.e.:
内容格式为json,使用json_decode,即:
<?php
$json = '{"price": "10.03"}';
$decodeJson = json_decode($json, true);
echo $decodeJson['price'];
//10.03