PHP arraydiff Manual. Hi I tried hard to find a solution to a problem Im going to explain here, and after have read all the array functions and possibilities, I had to create what I think should exist on next PHP releases. What I needed, its some kind of Difference, but working with two arrays and modifying them at time, not returning an array as a result with the diference itself. So, as an example A 1,2,3. B 2,3,4should NOT be C 1,4but A 1. B 4so basically, I wanted to delete coincidences on both arrays. Telephone line audio interface circuits. Copyright 19962001 Tomi Engdahl. First of all, I must officially advise against connecting anything other to the telephone. Listado de ejemplos. Lista todos los ejemplos del manual. Example0 Un ejemplo introductorio Example1 Nuestro primer script de PHP hola. Example2. Now, Ive some actions to do, and I know wich one Ive to do with the values from one array or another. With the normal DIFF I cant, because if Ive an array like C1,4, I dont know if Ive to do the ActionA with 1 or with 4, but I really know that everything in A, will go to the ActionA and everithing in B, will go to ActionB. So same happens with 4, dont know wich action to apply. So I created this lt ORGNEW org, new, typeVALUESswitchtypecase VALUES int arrayvaluesarrayintersectorg, new org arrayvaluesarraydifforg, int new arrayvaluesarraydiffnew, int break case KEYS int arrayvaluesarrayintersectkeyorg, new org arrayvaluesarraydiffkeyorg, int new arrayvaluesarraydiffkeynew, int break This cute, works by reference, and modifies the arrays deleting coincidences on both, and leaving intact the non coincidences. So a call to this will be somethin like lt ORGNEWoriginal, new, VALUES And HERE, Ill have my arrays as I wanted original 1new 4. Now, why I use it precisely Imagine youve some Events and some users you select when create the event, can see this event you create. So you share the event with some users. Ok Imagine you created and EventA, and shared with users 1,2,3. Now you want to modify the event, and you decide to modify the users to share it. The code that was meant to work 100 didnt seem to cut it for me, I did patch the example a little but found code that wasnt helping and problems with it. Model Cars Magazine Pdf more. I. Home Adam smith capital asset depreciation durable economics s nonrenewable resource physical capital production service stock. Best Online Classic Childrens Stories By Story Title 10397 Stories in All Genres. Imagine you change it to users 2,3,4. ID. So you can manage when you are going to modify, to have an array with the IDs in DDBB original, and then, have another array with IDs corresponding to the users to share after modifying new. Wich ones youve to DELETE from DDBB, and wich ones do youve to INSERT If you do a simple difference or somehow, you get somethin like C1,4. You have no clue on wich one youve to insert or delete. But on this way, you can know it, and thats why What keeps on original, its somethin not existing in new at the beggining. So you know that all what youve inside original, have to be deleted from DDBB because what you did in the modifying process, its to unselect those users keeping in original. What keeps on new, its something not existing in original at the beggining. Wich means that in the modifying process you added some new users. And those have to be inserted in DDBB. So, everything keeping inside new, have to be inserted in the DDBB. Conclusion Remaining in original delete from DB. Remaining in new insert into DB. And thats all I hope you find it useful, and I encourage PHP makers, to add in a not distant future, somethin like this one natively, because Im shure that Im not the first one needing something like this. Best regards all,Light.