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function fopen (filename, mode, use_include_path, context) {
    // Open a file or a URL and return a file pointer  
    // 
    // version: 1008.1718
    // discuss at: http://phpjs.org/functions/fopen    // +   original by: Brett Zamir (http://brett-zamir.me)
    // +   input by: Paul Smith
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // -    depends on: file_get_contents
    // *     example 1: fopen('http://kevin.vanzonneveld.net/pj_test_supportfile_1.htm', 'r');    // *     returns 1: 'Resource id #1'
 
    var resource={}, i=0, that = this;
    var getFuncName = function (fn) {
        var name = (/\W*function\s+([\w\$]+)\s*\(/).exec(fn);        if (!name) {
            return '(Anonymous)';
        }
        return name[1];
    }; 
    // BEGIN file inclusion: file_get_contents
    var file_get_contents = function ( url ) {
        var req = that.window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
        if (!req) {            throw new Error('XMLHttpRequest not supported');
        }
        if (!(/^http/).test(url)) { // Allow references within or below the same directory (should fix to allow other relative references or root reference; could make dependent on parse_url())
            url = that.window.location.href + '/' +url;
        }        req.open("GET", url, false);
        req.send(null);
        return req.responseText;
    };
    // END file inclusion 
    if (use_include_path === 1 || use_include_path === '1' || use_include_path === true) { 
        // Not implemented yet: Search for file in include path too
    }
    if (context) {        // Not implemented yet, but could be useful to modify nature of HTTP request, etc.
    }
 
    for (i=0; i < mode.length; i++) { // Have to deal with other flags if ever allow
        if (mode.charAt(i) === 'r' && (!mode.charAt(i+1) || mode.charAt(i+1) !== '+')) {            continue;
        }
        switch (mode.charAt(i)) {
            case 'r': // must have '+' now
            case 'w': // or 'w+'            case 'a': // or 'a+'
            case 'x':// or 'x+'
                throw 'Writing is not implemented';
            case 'b':
            case 't':                throw 'Windows-only modes are not supported';
            default:
                throw 'Unrecognized file mode passed to '+getFuncName(arguments.caller)+'()';
        }
    } 
    // BEGIN REDUNDANT
    this.php_js = this.php_js || {};
    this.php_js.resourceData = this.php_js.resourceData || {};
    this.php_js.resourceDataPointer = this.php_js.resourceDataPointer || {};    this.php_js.resourceIdCounter = this.php_js.resourceIdCounter || 0;
    // END REDUNDANT
 
    // BEGIN STATIC
    function PHPJS_Resource (type, id, opener) { // Can reuse the following for other resources, just changing the instantiation        // See http://php.net/manual/en/resource.php for types
        this.type = type;
        this.id = id;
        this.opener = opener;
    }    PHPJS_Resource.prototype.toString = function () {
        return 'Resource id #'+this.id;
    };
    PHPJS_Resource.prototype.get_resource_type = function () {
        return this.type;    };
    PHPJS_Resource.prototype.var_dump = function () {
        return 'resource('+this.id+') of type ('+this.type+')';
    };
    // END STATIC 
    this.php_js.resourceIdCounter++;
    this.php_js.resourceData[this.php_js.resourceIdCounter] = this.file_get_contents(filename);
    this.php_js.resourceDataPointer[this.php_js.resourceIdCounter] = 0;
     resource = new PHPJS_Resource('stream', this.php_js.resourceIdCounter, 'fopen');
    resource.mode = mode; // Add file-specific attributes
 
    return resource; // may be 'file' instead of 'stream' type on some systems
}

1

fopen('http://kevin.vanzonneveld.net/pj_test_supportfile_1.htm', 'r');

1

'Resource id #1'