How to declare public static class fields in PHP4

Do you have the solutions that public static class fields in PHP4

var static $field = nul开发者_JAVA技巧l;
Parse error: syntax error, unexpected T_STATIC, expecting T_VARIABLE 

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PHP 4 didn't support static properties natively. The best you could do was implement static variables inside of your methods. Maybe the following link is useful for you:

http://adam.bregenzer.net/php/static_class_properties