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Commitfa4ffdf

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[Env] added the component
1 parente66e6af commitfa4ffdf

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13 files changed

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13 files changed

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‎composer.json‎

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"symfony/debug-bundle":"self.version",
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"symfony/doctrine-bridge":"self.version",
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"symfony/dom-crawler":"self.version",
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"symfony/env":"self.version",
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"symfony/event-dispatcher":"self.version",
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"symfony/expression-language":"self.version",
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"symfony/filesystem":"self.version",
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vendor/
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composer.lock
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phpunit.xml
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CHANGELOG
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=========
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3.3.0
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-----
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* added the component
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespaceSymfony\Component\Dotenv;
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useSymfony\Component\Dotenv\Exception\FormatException;
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useSymfony\Component\Dotenv\Exception\FormatExceptionContext;
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useSymfony\Component\Dotenv\Exception\PathException;
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useSymfony\Component\Process\Exception\ExceptionInterfaceasProcessException;
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useSymfony\Component\Process\Process;
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/**
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* Manages .env files.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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finalclass Dotenv
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{
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constVARNAME_REGEX ='(?i:[A-Z][A-Z0-9_]*+)';
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constSTATE_VARNAME =0;
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constSTATE_VALUE =1;
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private$path;
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private$cursor;
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private$lineno;
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private$data;
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private$end;
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private$state;
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private$values;
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/**
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* Loads one or several .env files.
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*
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* @param ...string A list of files to load
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*
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* @throws FormatException when a file has a syntax error
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* @throws PathException when a file does not exist or is not readable
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*/
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publicfunctionload(/*...$paths*/)
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{
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// func_get_args() to be replaced by a variadic argument for Symfony 4.0
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foreach (func_get_args()as$path) {
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if (!is_readable($path)) {
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thrownewPathException($path);
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}
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$this->populate($this->parse(file_get_contents($path),$path));
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}
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}
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/**
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* Sets values as environment variables (via putenv, $_ENV, and $_SERVER).
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*
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* Note that existing environment variables are never overridden.
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*
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* @param array An array of env variables
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*/
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publicfunctionpopulate($values)
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{
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foreach ($valuesas$name =>$value) {
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if (isset($_ENV[$name]) ||false !==getenv($name)) {
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continue;
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}
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putenv("$name=$value");
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$_ENV[$name] =$value;
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$_SERVER[$name] =$value;
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}
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}
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/**
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* Parses the contents of an .env file.
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*
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* @param string $data The data to be parsed
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* @param string $path The original file name where data where stored (used for more meaningful error messages)
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*
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* @return array An array of env variables
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*
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* @throws FormatException when a file has a syntax error
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*/
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publicfunctionparse($data,$path ='.env')
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{
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$this->path =$path;
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$this->data =str_replace(array("\r\n","\r"),"\n",$data);
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$this->lineno =1;
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$this->cursor =0;
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$this->end =strlen($this->data);
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$this->state =self::STATE_VARNAME;
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$this->values =array();
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$name =$value ='';
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$this->skipEmptyLines();
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while ($this->cursor <$this->end) {
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switch ($this->state) {
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caseself::STATE_VARNAME:
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$name =$this->lexVarname();
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$this->state =self::STATE_VALUE;
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break;
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caseself::STATE_VALUE:
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$this->values[$name] =$this->lexValue();
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$this->state =self::STATE_VARNAME;
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break;
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}
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}
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if (self::STATE_VALUE ===$this->state) {
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$this->values[$name] ='';
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}
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try {
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return$this->values;
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}finally {
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$this->values =array();
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}
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}
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privatefunctionlexVarname()
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{
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// var name + optional export
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if (!preg_match('/(export[ \t]++)?('.self::VARNAME_REGEX.')/A',$this->data,$matches,0,$this->cursor)) {
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throw$this->createFormatException('Invalid character in variable name');
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}
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$this->moveCursor($matches[0]);
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if ($this->cursor ===$this->end ||"\n" ===$this->data[$this->cursor] ||'#' ===$this->data[$this->cursor]) {
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if ($matches[1]) {
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throw$this->createFormatException('Unable to unset an environment variable');
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}
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throw$this->createFormatException('Missing = in the environment variable declaration');
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}
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if ('' ===$this->data[$this->cursor] ||"\t" ===$this->data[$this->cursor]) {
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throw$this->createFormatException('Whitespace are not supported after the variable name');
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}
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if ('=' !==$this->data[$this->cursor]) {
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throw$this->createFormatException('Missing = in the environment variable declaration');
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}
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++$this->cursor;
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return$matches[2];
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}
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privatefunctionlexValue()
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{
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if (preg_match('/[ \t]*+(?:#.*)?$/Am',$this->data,$matches,null,$this->cursor)) {
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$this->moveCursor($matches[0]);
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$this->skipEmptyLines();
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return'';
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}
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if ('' ===$this->data[$this->cursor] ||"\t" ===$this->data[$this->cursor]) {
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throw$this->createFormatException('Whitespace are not supported before the value');
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}
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$value ='';
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$singleQuoted =false;
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$notQuoted =false;
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if ("'" ===$this->data[$this->cursor]) {
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$singleQuoted =true;
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++$this->cursor;
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while ("\n" !==$this->data[$this->cursor]) {
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if ("'" ===$this->data[$this->cursor]) {
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if ($this->cursor +1 ===$this->end) {
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break;
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}
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if ("'" !==$this->data[$this->cursor +1]) {
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break;
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}
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++$this->cursor;
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}
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$value .=$this->data[$this->cursor];
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++$this->cursor;
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if ($this->cursor ===$this->end) {
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throw$this->createFormatException('Missing quote to end the value');
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}
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}
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if ("\n" ===$this->data[$this->cursor]) {
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throw$this->createFormatException('Missing quote to end the value');
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}
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++$this->cursor;
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}elseif ('"' ===$this->data[$this->cursor]) {
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++$this->cursor;
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while ('"' !==$this->data[$this->cursor] || ('\\' ===$this->data[$this->cursor -1] &&'\\' !==$this->data[$this->cursor -2])) {
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$value .=$this->data[$this->cursor];
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++$this->cursor;
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if ($this->cursor ===$this->end) {
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throw$this->createFormatException('Missing quote to end the value');
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}
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}
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if ("\n" ===$this->data[$this->cursor]) {
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throw$this->createFormatException('Missing quote to end the value');
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}
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++$this->cursor;
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$value =str_replace(array('\\\\','\\"','\r','\n'),array('\\','"',"\r","\n"),$value);
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}else {
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$notQuoted =true;
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$prevChr =$this->data[$this->cursor -1];
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while ($this->cursor <$this->end &&"\n" !==$this->data[$this->cursor] && !(('' ===$prevChr ||"\t" ===$prevChr) &&'#' ===$this->data[$this->cursor])) {
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$value .=$prevChr =$this->data[$this->cursor];
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++$this->cursor;
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}
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$value =rtrim($value);
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}
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$this->skipEmptyLines();
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$currentValue =$value;
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if (!$singleQuoted) {
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$value =$this->resolveVariables($value);
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$value =$this->resolveCommands($value);
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}
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if ($notQuoted &&$currentValue ==$value &&preg_match('/\s+/',$value)) {
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throw$this->createFormatException('A value containing spaces must be surrounded by quotes');
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}
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return$value;
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}
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privatefunctionskipWhitespace()
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{
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$this->cursor +=strspn($this->data,"\t",$this->cursor);
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}
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privatefunctionskipEmptyLines()
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{
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if (preg_match('/(?:\s*+(?:#[^\n]*+)?+)++/A',$this->data,$match,null,$this->cursor)) {
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$this->moveCursor($match[0]);
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}
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}
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privatefunctionresolveCommands($value)
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{
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if (false ===strpos($value,'$')) {
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return$value;
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}
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$regex ='/
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(\\\\)? # escaped with a backslash?
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\$
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(?<cmd>
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\( # require opening parenthesis
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([^()]|\g<cmd>)+ # allow any number of non-parens, or balanced parens (by nesting the <cmd> expression recursively)
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\) # require closing paren
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)
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/x';
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returnpreg_replace_callback($regex,function ($matches) {
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if ('\\' ===$matches[1]) {
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returnsubstr($matches[0],1);
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}
268+
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if ('\\' ===DIRECTORY_SEPARATOR) {
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thrownew \LogicException('Resolving commands is not supported on Windows.');
271+
}
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if (!class_exists(Process::class)) {
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thrownew \LogicException('Resolving commands requires the Symfony Process component.');
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}
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$process =newProcess('echo'.$matches[0]);
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$process->inheritEnvironmentVariables(true);
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$process->setEnv($this->values);
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try {
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$process->mustRun();
282+
}catch (ProcessException$e) {
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throw$this->createFormatException(sprintf('Issue expanding a command (%s)',$process->getErrorOutput()));
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}
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returnpreg_replace('/[\r\n]+$/','',$process->getOutput());
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},$value);
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}
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privatefunctionresolveVariables($value)
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{
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if (false ===strpos($value,'$')) {
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return$value;
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}
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$regex ='/
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(\\\\)? # escaped with a backslash?
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\$
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(?!\() # no opening parenthesis
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(\{)? # optional brace
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('.self::VARNAME_REGEX.') # var name
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(\})? # optional closing brace
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/x';
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$value =preg_replace_callback($regex,function ($matches) {
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if ('\\' ===$matches[1]) {
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returnsubstr($matches[0],1);
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}
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if ('{' ===$matches[2] && !isset($matches[4])) {
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throw$this->createFormatException('Unclosed braces on variable expansion');
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}
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$name =$matches[3];
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$value =isset($this->values[$name]) ?$this->values[$name] : (isset($_ENV[$name]) ?isset($_ENV[$name]) : (string)getenv($name));
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if (!$matches[2] &&isset($matches[4])) {
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$value .='}';
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}
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return$value;
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},$value);
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// unescape $
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returnstr_replace('\\$','$',$value);
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}
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privatefunctionmoveCursor($text)
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{
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$this->cursor +=strlen($text);
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$this->lineno +=substr_count($text,"\n");
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}
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privatefunctioncreateFormatException($message)
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{
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returnnewFormatException($message,newFormatExceptionContext($this->data,$this->path,$this->lineno,$this->cursor));
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}
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}
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
9+
* file that was distributed with this source code.
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*/
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namespaceSymfony\Component\Dotenv\Exception;
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/**
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* Interface for exceptions.
16+
*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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interface ExceptionInterface
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{
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}

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