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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
namespace Wikimedia;
/**
* Format a static PHP array to be written to a file
*
* @since 1.32
*/
class StaticArrayWriter {
/**
* @param array $data Array with keys/values to export
* @param string $header
*
* @return string PHP code
*/
public function create( array $data, $header = 'Automatically generated' ) {
$code = "<?php\n"
. "// " . implode( "\n// ", explode( "\n", $header ) ) . "\n"
. "return [\n";
foreach ( $data as $key => $value ) {
$code .= $this->encode( $key, $value, 1 );
}
$code .= "];\n";
return $code;
}
/**
* Recursively turn one k/v pair into properly-indented PHP
*
* @param string|int $key
* @param array|mixed $value
* @param int $indent Indentation level
*
* @return string
*/
private function encode( $key, $value, $indent ) {
$tabs = str_repeat( "\t", $indent );
$line = $tabs .
var_export( $key, true ) .
' => ';
if ( is_array( $value ) ) {
$line .= "[\n";
foreach ( $value as $key2 => $value2 ) {
$line .= $this->encode( $key2, $value2, $indent + 1 );
}
$line .= "$tabs]";
} else {
$line .= var_export( $value, true );
}
$line .= ",\n";
return $line;
}
}
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