php代码怎么打星星并居中
时间: 2024-05-02 17:23:35 浏览: 47
以下是一个可以将 PHP 代码进行星号打码并居中的示例:
```
<?php
function censorCode($code) {
// 将代码中的敏感字符(如密码、API key等)替换为星号
$censored = preg_replace("/(password|api_key|access_token)=([^\s&]+)/i", "$1=********", $code);
// 居中处理
$max_width = 80; // 假设最大宽度为 80 字符
$lines = explode("\n", $censored);
$new_lines = [];
foreach ($lines as $line) {
$trimmed = trim($line);
if (strlen($trimmed) > $max_width) {
// 如果行长度超过最大宽度,则不处理
$new_lines[] = $line;
} else {
// 否则,在行两侧添加空白字符,使其居中
$padding_length = $max_width - strlen($trimmed);
$padding_left = str_repeat(" ", intval($padding_length / 2));
$padding_right = str_repeat(" ", ceil($padding_length / 2));
$new_line = $padding_left . $trimmed . $padding_right;
$new_lines[] = $new_line;
}
}
// 将处理后的行拼接起来
$censored_and_centered = implode("\n", $new_lines);
return $censored_and_centered;
}
$code = "
<?php
$password = '123456';
$url = 'https://api.example.com';
\$curl = curl_init();
curl_setopt(\$curl, CURLOPT_URL, \$url);
curl_setopt(\$curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt(\$curl, CURLOPT_USERPWD, \"username:{$password}\");
\$result = curl_exec(\$curl);
";
echo censorCode($code);
?>
```
希望这个示例对你有所帮助!