Resolving Invalidargumentsuppliedforforeach () error

Problem Warning: Invalidargumentsuppliedforforeach () in perfect solution: modify the statements that report errors as follows (for example): Change foreach ($ extcreditsas $ id = & gt; $ credit) {if ($ credit [& amp; #39; ratio & amp; #39;]) {$ exch problem Warning: Invalid argument supplied for foreach () in perfect solution, modify the statements that report errors as follows (for example): Set foreach ($ extcredits as $ id => $ credit) {if ($ credit ['Ratio ']) {$ exchcredits [$ id] = $ credit;} is changed to if (is_array ($ extcredits) // add {foreach ($ extcredits as $ id => $ credit) {if ($ Re Dit ['Ratio ']) {$ exchcredits [$ id] = $ credit ;}}// add or foreach (array) $ extcredits as $ id => $ credit) {if ($ credit ['Ratio ']) {$ exchcredits [$ id] = $ credit;} most of the reasons for this error are due to upgrade and encoding conversion! If you are familiar with PHP, you can directly find the cause of the error and analyze the database table to which the error is caused (usually the basic data table of the Forum). then, find the original data of the corresponding table and export it to solve the problem. If you are not familiar with PHP, you can modify the location indicated by the error information using the modification method on the second floor to solve the problem. Original article: http://www.phpweblog.net/kiyone/archive/2008/04/24/3250.aspx