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Issues with php if statement within foreach loop - Stack Overflow

Php if statement within foreach

The issue I am having is that instead of having 20 if elseif statements I wanted to load the variable names into an array, loop through that array, and if a variable wasn't populated in the form have it produce an error message. The spaces will mess it up, because you will have spaces all around. To remove them you can use trim for example. categories array / Create the array in which the processed input will go foreach (categories_array as c) / Go through the unprocessed one categories trim(c) 1; / Process it, and fill the result. Else / Just ignore it. return false; / If you get here, it means nothing returned true, so it does not exist. To be used as if (exists(item'single'catid categories). It wouldn't work if it was "inside" the if statement because you have to do some processing before evaluating if it exists or not. The times one is just so that you get numbers in the end and not strings. Then you can use it as shown earlier, but keep in mind that this is just an example, and you might not even need all these steps, and there are much more efficient ways to process this input (regular expressions for example). Assuming it is POST that you are using, this is how you'd get the input as a string as it was entered in the text field: categories_string _POST 'the_name_field_in_the_input_tag After that you have to understand it as a list of items, let's say separated by commas: 1,3,5,8. I have a php page that I'm trying to simplify and am running into some issues that I can't get through alone. My form takes user data, posts to itself, validates that fields have been filled in, and then displays form contents/posts to a mysql database. Your if condition would become like that one: if (!in_array(item'single'catid categories). You should be using the above, but I am going to give you an idea of how it works, so you can understand the principle for more complex issues: function exists(target, array) foreach (array as element) / Go through each element in the array if (element target). So you either could have done that before the if statement, and store the result in a variable, or use a function (which PHP provides). Hopefully the concept will help you fir more complex problems. Note : this assumes your input is in the form of an array, which you can build via various ways, if not provided as is directly. Update : The input you get via the input field is sent through form, to which you specify either POST or GET as a method.
2, then this is <u>foreach</u> <em>foreach</em> <strong>foreach</strong> simply <strong>within</strong> separating by <u>statement</u> <u>foreach</u> commas. String). Like <em>statement</em> that: categories_array explode <u>statement</u> <strong>within</strong> _POST 'categories But you <u>within</u> cannot trust <strong>statement</strong> the <i>within</i> input, you <u>within</u> can <i>statement</i> use <u>foreach</u> explode(delimiter,) so <i>foreach</i> you <strong>statement</strong> could <u>foreach</u> get <em>within</em> something like 1, 3,5,6. 2567

If the value equals a string then echo out a value of the array. Here is the array and two values (the full array has a lot more users array( "username01" array fullname" "Firstname Lastname "status" "Online "username02" array fullname" "Firstname Lastname "status" "Offline I wan't to echo out the Full name of each user that is "Online".
if the script enters the if statement <strong>statement</strong> I'd <strong>statement</strong> like <u>foreach</u> <u>foreach</u> for it <em>foreach</em> to stop executing the remainder <i>statement</i> of <u>foreach</u> the page after the closing I've tried exit; <u>within</u> without success. Also, here <em>foreach</em> is <u>foreach</u> what I have:?php ShippingCo <u>statement</u> _POST <strong>statement</strong> 'ShippingCo ShipAcct <i>within</i> _POST <u>statement</u> 'ShipAcct <i>foreach</i> <em>foreach</em> ShipService _POST <em>within</em> 'ShipService FOB _POST 'FOB <u>within</u> Terms _POST 'Terms ENote <u>statement</u> 'Terms ENote <em>foreach</em> 'FOB ENote 'ShippingCo ENote 'ShipAcct ENote 'ShipService. 6734

You should have some kind of an array of the category IDs you want to check for, for example: categories array(8, 4 Then you could use something like the in_array(needle, haystack) built-in function of PHP.
hope it's <u>statement</u> <em>within</em> <em>foreach</em> clear enough. But the <strong>within</strong> concern <strong>statement</strong> here is <em>within</em> not sanitizing <i>within</i> input, <i>statement</i> <i>statement</i> <i>statement</i> but keep <em>within</em> <em>foreach</em> in <i>foreach</i> mind <strong>foreach</strong> you will <u>within</u> need <u>foreach</u> to <strong>statement</strong> do <em>statement</em> <em>within</em> that eventually. 6566

EDIT - Solved Updated the array keys with quot;s and data. as was suggested below. I found a typo that was causing a false output. Thanks for all the help.

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Php if statement within foreach
Here is what I'm using today but it's not working: string "Online foreach (users as username data) fullname data"fullname status data"status echo status." if (status string) echo "Yes else echo "No echo " br If I echo out fullname and status the correct data is printed out.
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