php 7.3.5 你好，我的扩展名 ext-http 有问题，并且 composer 说我 ext-http 丢失了，即使我在 composer .json 中写了这个，为什么？这个确切的消息是：_Problem 1 - 您的系统中缺少请求的 PHP 扩展 ext-http *。安装或启用 PHP 的 http 扩展。我试图查看 php.ini ，但我认为没有任何相关性
删除整个供应商目录后，它的工作可能是 php 版本的原因...
{
"type": "project",
"license": "proprietary",
"require": {
"php": "^7.1.3",
"ext-ctype": "*",
"ext-iconv": "*",
"psr/log": "^1.1",
"ext-intl" : "*",
"ext-http": "*",
"sensio/framework-extra-bundle": "^5.2",
"sensiolabs/security-checker": "^5.0",
"swiftmailer/swiftmailer": "^6.0",
"symfony/asset": "4.2.*",
"symfony/console": "4.2.*",
"symfony/debug": "4.2.*",
"symfony/debug-pack": "^1.0",
"symfony/dependency-injection": "4.2.*",
"symfony/dotenv": "4.2.*",
"symfony/expression-language": "4.2.*",
"symfony/flex": "^1.1",
"symfony/form": "4.2.*",
"symfony/framework-bundle": "4.2.*",
"symfony/monolog-bundle": "^3.1",
"symfony/orm-pack": "*",
"symfony/process": "4.2.*", …