[php]使用curl扩展post多维数组问题

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之前使用curl进行服务器接口请求,一般都是使用一维数组,代码如下：<?php$url = "http://www.test.com/"$data = array('telnum'=>'1872972xxxx');$ch = curl_init ();curl_setopt ( $ch, CURLOPT_URL, $url );curl_setopt ( $ch, CURLOPT_POST, 1 );curl_setopt ( $ch, CURLOPT_HEADER, 0 );curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );curl_setopt ( $ch, CURLOPT_POSTFIELDS,$data);$return = curl_exec ( $ch );curl_close ( $ch );

由于业务需要需要post一个多维数组过去如果仅将上述$data参数修改为

$data = array(    'data'=>array(        'telnum' => '1872972xxxx',        'username'=>'zhangxxxx',        'pwd'=>'123456',        'code'=>'6217'    ));

则会出现如下警告

Notice: Array to string conversion in /Users/zhangsheng/web/test.php on line 33

网上翻了翻发现了解决办法使用http_build_query()函数处理post参数

http_build_query — 生成 URL-encode 之后的请求字符串

修改代码如下

<?php$url = "http://www.test.com/"$data = array(    'data'=>array(        'telnum' => '1872972xxxx',        'username'=>'zhangxxxx',        'pwd'=>'123456',        'code'=>'6217'    ));$ch = curl_init ();curl_setopt ( $ch, CURLOPT_URL, $url );curl_setopt ( $ch, CURLOPT_POST, 1 );curl_setopt ( $ch, CURLOPT_HEADER, 0 );curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );curl_setopt ( $ch, CURLOPT_POSTFIELDS,http_build_query($data));$return = curl_exec ( $ch );curl_close ( $ch );

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