environment_helper.php
· 2.2 KiB · PHP
Raw
<?php
/**
* Loads an environment variable
*
* @param string $name
* @param mixed|null $def
* @param bool $local
* @return array|mixed|string|null
*/
function env(string $name, $def = null, bool $local = false) {
$value = getenv($name, $local);
if ($value) {
return parse_raw_value($value);
}
return $def;
}
/**
* Parses and filters values coming from environment or shell variables.
*
* @param $value
* @return bool|mixed|string|void
*/
function parse_raw_value($value) {
$value = trim($value);
switch (strtolower($value)) {
case 'true':
case '(true)':
return true;
case 'false':
case '(false)':
return false;
case 'empty':
case '(empty)':
return '';
case 'null':
case '(null)':
return;
}
// If there are any pair of quotes around tbe value then we need to remove it
if (preg_match('/\A([\'"])(.*)\1\z/', $value, $matches)) {
return $matches[2];
}
return $value;
}
/**
* Loads a DotEnv file.
*
* @param string|null $path
* @param bool $optional
* @return array
*/
function load_dotenv_file(string $path = null, bool $optional = true): array {
$env = [];
if (empty($path)) {
$path = getcwd().DIRECTORY_SEPARATOR.'.env';
}
if (!file_exists($path)) {
if ($optional) {
return $env;
}
throw new \InvalidArgumentException(sprintf('%s does not exist', $path));
}
if (!is_readable($path)) {
throw new \RuntimeException(sprintf('%s file is not readable', $path));
}
$lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
foreach ($lines as $line) {
if (strpos(trim($line), '#') === 0) {
continue;
}
list($name, $value) = explode('=', $line, 2);
$name = trim($name);
$value = trim($value, " \n\r\t\v\x00\"");
$value = parse_raw_value($value);
$env[$name] = $value;
}
foreach ($env as $name => $value) {
putenv(sprintf('%s=%s', $name, $value));
$_ENV[$name] = $value;
$_SERVER[$name] = $value;
}
return $env;
}
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Loads an environment variable |
| 5 | * |
| 6 | * @param string $name |
| 7 | * @param mixed|null $def |
| 8 | * @param bool $local |
| 9 | * @return array|mixed|string|null |
| 10 | */ |
| 11 | function env(string $name, $def = null, bool $local = false) { |
| 12 | $value = getenv($name, $local); |
| 13 | if ($value) { |
| 14 | return parse_raw_value($value); |
| 15 | } |
| 16 | return $def; |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Parses and filters values coming from environment or shell variables. |
| 21 | * |
| 22 | * @param $value |
| 23 | * @return bool|mixed|string|void |
| 24 | */ |
| 25 | function parse_raw_value($value) { |
| 26 | $value = trim($value); |
| 27 | |
| 28 | switch (strtolower($value)) { |
| 29 | case 'true': |
| 30 | case '(true)': |
| 31 | return true; |
| 32 | case 'false': |
| 33 | case '(false)': |
| 34 | return false; |
| 35 | case 'empty': |
| 36 | case '(empty)': |
| 37 | return ''; |
| 38 | case 'null': |
| 39 | case '(null)': |
| 40 | return; |
| 41 | } |
| 42 | |
| 43 | // If there are any pair of quotes around tbe value then we need to remove it |
| 44 | if (preg_match('/\A([\'"])(.*)\1\z/', $value, $matches)) { |
| 45 | return $matches[2]; |
| 46 | } |
| 47 | |
| 48 | return $value; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Loads a DotEnv file. |
| 53 | * |
| 54 | * @param string|null $path |
| 55 | * @param bool $optional |
| 56 | * @return array |
| 57 | */ |
| 58 | function load_dotenv_file(string $path = null, bool $optional = true): array { |
| 59 | $env = []; |
| 60 | |
| 61 | if (empty($path)) { |
| 62 | $path = getcwd().DIRECTORY_SEPARATOR.'.env'; |
| 63 | } |
| 64 | |
| 65 | if (!file_exists($path)) { |
| 66 | if ($optional) { |
| 67 | return $env; |
| 68 | } |
| 69 | throw new \InvalidArgumentException(sprintf('%s does not exist', $path)); |
| 70 | } |
| 71 | |
| 72 | if (!is_readable($path)) { |
| 73 | throw new \RuntimeException(sprintf('%s file is not readable', $path)); |
| 74 | } |
| 75 | |
| 76 | $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); |
| 77 | |
| 78 | foreach ($lines as $line) { |
| 79 | if (strpos(trim($line), '#') === 0) { |
| 80 | continue; |
| 81 | } |
| 82 | |
| 83 | list($name, $value) = explode('=', $line, 2); |
| 84 | $name = trim($name); |
| 85 | $value = trim($value, " \n\r\t\v\x00\""); |
| 86 | $value = parse_raw_value($value); |
| 87 | $env[$name] = $value; |
| 88 | } |
| 89 | |
| 90 | foreach ($env as $name => $value) { |
| 91 | putenv(sprintf('%s=%s', $name, $value)); |
| 92 | $_ENV[$name] = $value; |
| 93 | $_SERVER[$name] = $value; |
| 94 | } |
| 95 | |
| 96 | return $env; |
| 97 | } |