我正在尝试在将数据插入数据库之前验证用户的数据。我有一个字段列表数组,其中包含输入数据必须具有的各种字段类型。
示例:
$fields = ['id' => 'integer', 'contents' => 'string', 'display' => 'boolean'];
因此,如果用户想要发出POST请求,则用户需要首先提供所有必需的字段,然后这些字段的类型必须正确。
示例:
$data = ['id' => 123, 'contents' => 'hello', 'display' => true];
在字段列表中,我将某些类型值设置为'string'
。问题是我希望所有'string'
值都包含用户可能提供的null
值类型。
Here's my gist of the function and some tests
<?php
function verifyData (array $fields, array $data, array $excludeFields = []) {
$array = [
'data' => [],
'debug' => []
];
foreach ($fields as $key => $value) {
// If key is in exclude: ignore field
if (!empty($excludeFields) && in_array($key, $excludeFields)) {
continue;
}
$type = gettype($data[$key]);
// How can I make null count as a string?
// If data type is null, and it's field value is a string it should NOT get added to $array['data']
if ($type !== $value || ($value === 'string' && is_null($data[$key]))) {
$array['data'][] = [
'field' => $key,
'message' => "Type of '$key' field is incorrect. Current type is: '$type', it should be: '$value'"
];
} else {
$array['debug'][] = "$key, $type, $value";
}
}
print_r($array);
echo '<hr>';
// return $array;
}
// -----------------------------------------------------------------------------
// Tests
// -----------------------------------------------------------------------------
echo '<pre>';
// -----------------------------------------------------------------------------
$fields = ['id' => 'integer', 'contents' => 'string', 'display' => 'boolean'];
$data = ['id' => 123, 'contents' => 'hello', 'display' => true];
$exclude = [];
echo 'Output OK <br>';
verifyData($fields, $data, $exclude);
// -----------------------------------------------------------------------------
$fields = ['id' => 'integer', 'contents' => 'string', 'display' => 'boolean'];
$data = ['id' => 123, 'contents' => 'hi', 'display' => true];
$exclude = ['id'];
echo 'Output OK - Field "id" is excluded from debug output <br>';
verifyData($fields, $data, $exclude);
// -----------------------------------------------------------------------------
$fields = ['id' => 'integer', 'contents' => 'string', 'display' => 'boolean'];
$data = ['id' => 123, 'contents' => 123, 'display' => true];
$exclude = [];
echo 'Output OK - Field "contents" should not be an integer <br>';
verifyData($fields, $data, $exclude);
// -----------------------------------------------------------------------------
$fields = ['id' => 'integer', 'contents' => 'string', 'display' => 'boolean'];
$data = ['id' => 123, 'contents' => null, 'display' => true];
$exclude = [];
echo 'Output failed - Field "contents" should be in the debug output (null should be counted as a string) <br>';
verifyData($fields, $data, $exclude);
我希望我已经明确了解问题(英语不是我的主要语言)。
(可选阅读)我现在的整个工作流程:
我正在使用Slim Framework来处理请求和响应。
用户使用JSON正文执行POST请求(标题'Content-Type'
设置为'application/json;charset=utf-8'
):
{"contents": "Some text", "display": true}
我处理正文数据并使用json_decode($body, true)
将其转换为php数组。
我使用该数组验证它的数据类型,方法是将它与我之前提供的$fields
示例进行比较,以检查正文数据的类型是否正确。
如果它们中的任何一个类型不正确,我会抛出一个异常,并且用户会得到一个包含所有错误的响应(见下文)。
如果用户发布了例如:
{"contents": null, "display": true}
目前,用户将收到此回复:
{
"status": 400,
"data": {
"type": "invalid_request_error",
"message": "Malformed request: Field(s) doesn't match the required type",
"code": 203,
"errors": [
{
"field": "contents",
"message": "Type of 'contents' field is incorrect. Current type is: 'NULL', it should be: 'string'"
}
]
}
}
我希望验证将null作为一个字符串处理,使上面的错误消息不显示,一切正常,结果如下:
{
"status": 201,
"data": {
"id": 1,
"contents": null,
"display": true
}
}
答案 0 :(得分:0)
为什么不执行此操作:迭代所有元素,如果一个为null,则将其更改为&#34; null&#34; (字符串),另一方面,将其更改回来。