Error_log
〔02-Sep-2021 12:55:49欧洲/伊斯坦布尔〕PHP分析错误：语法错误，意外的"："，在/home/va第23行的t/public_html/vvendor/symfony/polyfill-php80/bootstrap.PHP中应为"｛"〔02-Sep-2021 12:55:54欧洲/伊斯坦布尔〕PHP分析错误：语法错误，意外的"："，在/home/vat//public_html/vvendor/symfony/polyfill-php80/bootstrap.PHP第23行应为"｛"〔02-Sep-2021 12:55:54欧洲/伊斯坦布尔〕PHP分析错误：语法错误，意外的"："，在第23行的/home/va*******t//public_html/vvendor/symfony/polyfill-php80/bootstrap.PHP中应为"｛">
[02-Sep-2021 12:55:55 Europe/Istanbul] PHP Parse error: syntax error, unexpected ':', expecting '{' in /home/va*******t//public_html/vendor/symfony/polyfill-php80/bootstrap.php on line 23
bootstrap.php
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use SymfonyPolyfillPhp80 as p;
if (PHP_VERSION_ID >= 80000) {
return;
}
if (!defined('FILTER_VALIDATE_BOOL') && defined('FILTER_VALIDATE_BOOLEAN')) {
define('FILTER_VALIDATE_BOOL', FILTER_VALIDATE_BOOLEAN);
}
if (!function_exists('fdiv')) {
function fdiv(float $num1, float $num2): float { return pPhp80::fdiv($num1, $num2); }
}
if (!function_exists('preg_last_error_msg')) {
function preg_last_error_msg(): string { return pPhp80::preg_last_error_msg(); }
}
if (!function_exists('str_contains')) {
function str_contains(string $haystack, string $needle): bool { return pPhp80::str_contains($haystack, $needle); }
}
if (!function_exists('str_starts_with')) {
function str_starts_with(string $haystack, string $needle): bool { return pPhp80::str_starts_with($haystack, $needle); }
}
if (!function_exists('str_ends_with')) {
function str_ends_with(string $haystack, string $needle): bool { return pPhp80::str_ends_with($haystack, $needle); }
}
if (!function_exists('get_debug_type')) {
function get_debug_type($value): string { return pPhp80::get_debug_type($value); }
}
if (!function_exists('get_resource_id')) {
function get_resource_id($res): int { return pPhp80::get_resource_id($res); }
}
在我的例子中，我在php5.6上使用了最新版本的"vlucas/phpdotenv"包。我不得不将"vlucas/phpdotenv"降级到^2.4或更高版本。
您可能需要在composer.json中检查所有包是否与当前php版本兼容