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I am using the following loop to add items to an an array of mine called $liste. I would like to know if it is possible somehow not to add $value to the $liste array if the value is already in the array? Hope I am clear. Thank you in advance.
$liste = array(); foreach($something as $value){ array_push($liste, $value); } 
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It means assign the key to $user and the variable to $pass. When you assign an array, you do it like this. $array = array("key" => "value"); It uses the same symbol for processing arrays in foreach statements. The '=>' links the key and the value.
Just assign $array[$key] = $value; It is automatically a push and a declaration at the same time.
The function in_array() returns true if an item exists in an array. You can also use the function array_search() to get the key of a specific item in an array. In PHP 5.5 and later you can use array_column() in conjunction with array_search() .
In PHP, The array_push method can use to add or insert one or more items or elements from the end of an array. and The array_pop() method can use to extract, delete and remove the elements/items from the end of the array.
You check if it's there, using in_array, before pushing.
foreach($something as $value){ if(!in_array($value, $liste, true)){ array_push($liste, $value); } } The ,true enables "strict checking". This compares elements using === instead of ==.
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