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PhpArray.php
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PhpArray.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Config\Writer;
class PhpArray extends AbstractWriter
{
/**
* @var string
*/
const INDENT_STRING = ' ';
/**
* @var bool
*/
protected $useBracketArraySyntax = false;
/**
* processConfig(): defined by AbstractWriter.
*
* @param array $config
* @return string
*/
public function processConfig(array $config)
{
$arraySyntax = array(
'open' => $this->useBracketArraySyntax ? '[' : 'array(',
'close' => $this->useBracketArraySyntax ? ']' : ')'
);
return "<?php\n" .
"return " . $arraySyntax['open'] . "\n" . $this->processIndented($config, $arraySyntax) .
$arraySyntax['close'] . ";\n";
}
/**
* Sets whether or not to use the PHP 5.4+ "[]" array syntax.
*
* @param bool $value
* @return self
*/
public function setUseBracketArraySyntax($value)
{
$this->useBracketArraySyntax = $value;
return $this;
}
/**
* Recursively processes a PHP config array structure into a readable format.
*
* @param array $config
* @param array $arraySyntax
* @param int $indentLevel
* @return string
*/
protected function processIndented(array $config, array $arraySyntax, &$indentLevel = 1)
{
$arrayString = "";
foreach ($config as $key => $value) {
$arrayString .= str_repeat(self::INDENT_STRING, $indentLevel);
$arrayString .= (is_int($key) ? $key : "'" . addslashes($key) . "'") . ' => ';
if (is_array($value)) {
if ($value === array()) {
$arrayString .= $arraySyntax['open'] . $arraySyntax['close'] . ",\n";
} else {
$indentLevel++;
$arrayString .= $arraySyntax['open'] . "\n"
. $this->processIndented($value, $arraySyntax, $indentLevel)
. str_repeat(self::INDENT_STRING, --$indentLevel) . $arraySyntax['close'] . ",\n";
}
} elseif (is_object($value)) {
$arrayString .= var_export($value, true) . ",\n";
} else if (is_bool($value)) {
$arrayString .= ($value ? 'true' : 'false') . ",\n";
} elseif (is_string($value)) {
$arrayString .= "'" . addslashes($value) . "',\n";
} else {
$arrayString .= $value . ",\n";
}
}
return $arrayString;
}
}