serialize.php

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<?php
if ( !defined( 'MEDIAWIKI' ) ) {
        $wgNoDBParam = true;
        $optionsWithArgs = array( 'o' );
        require_once( __DIR__ .'/../maintenance/commandLine.inc' );

        $stderr = fopen( 'php://stderr', 'w' );
        if ( !isset( $args[0] ) ) {
                fwrite( $stderr, "No input file specified\n" );
                exit( 1 );
        }
        if ( wfIsWindows() ) {
                $files = array();
                foreach ( $args as $arg ) {
                        $files = array_merge( $files, glob( $arg ) );
                }
                if ( !$files ) {
                        fwrite( $stderr, "No files found\n" );
                }
        } else {
                $files = $args;
        }

        if ( isset( $options['o'] ) ) {
                $out = fopen( $options['o'], 'wb' );
                if ( !$out ) {
                        fwrite( $stderr, "Unable to open file \"{$options['o']}\" for output\n" );
                        exit( 1 );
                }
        } else {
                $out = fopen( 'php://stdout', 'wb' );
        }

        $vars = array();
        foreach ( $files as $inputFile ) {
                $vars = array_merge( $vars, getVars( $inputFile ) );
        }
        fwrite( $out, serialize( $vars ) );
        fclose( $out );
        exit( 0 );
}

//----------------------------------------------------------------------------

function getVars( $_gv_filename ) {
        require( $_gv_filename );
        $vars = get_defined_vars();
        unset( $vars['_gv_filename'] );

        # Clean up line endings
        if ( wfIsWindows() ) {
                $vars = unixLineEndings( $vars );
        }
        return $vars;
}

function unixLineEndings( $var ) {
        static $recursionLevel = 0;
        if ( $recursionLevel > 50 ) {
                global $stderr;
                fwrite( $stderr, "Error: Recursion limit exceeded. Possible circular reference in array variable.\n" );
                exit( 2 );
        }

        if ( is_array( $var ) ) {
                ++$recursionLevel;
                $var = array_map( 'unixLineEndings', $var );
                --$recursionLevel;
        } elseif ( is_string( $var ) ) {
                $var = str_replace( "\r\n", "\n", $var );
        }
        return $var;
}