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;
}