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Can a Key have multiple values PHP?
To directly answer your question, no. PHP arrays can only contain one set of data for the key.
Can PHP array hold multiple data types?
Not going to put oil on the fire of the PHP Arrays are no arrays here… But yes, you can put different variable types (string, int, …) together in a PHP thing called Array.
How do you store multiple values in one variable?
With JavaScript array variables, we can store several pieces of data in one place. You start an array declaration with an opening square bracket, end it with a closing square bracket, and put a comma between each entry, like this: var sandwich = [“peanut butter”, “jelly”, “bread”].
How can we store database values in array using PHP?
serialize([Array]); Pass the array in the serialize() method and pass the serialized values in the INSERT query. unserialize([Serialized value]); Fetch records and pass the serialized value in the unserialize() method to convert it to Array format.
Can a Key have multiple values?
In this dictionary, keys are strings, and with each key string, we have a list of numbers associated as a value field. So, basically, in this dictionary, multiple values are associated with a key.
Can array have two same keys?
Arrays contains unique key. Hence if u are having multiple value for a single key, use a nested / multi-dimensional array. =) thats the best you got.
What is used to store multiple values in a single variable?
An array is simply a way of storing multiple values in a single variable and a loop allows you to get to each individual value in turn.
Can a variable store multiple values?
A variable can be an object which can hold two or more fields/values.
How many values can you store inside a variable at the same time?
A variable can only store one value at a time – a number or a string. A value stored in a variable can be used once or many times in a program.
How do I put multiple values on a map?
How to add multiple values per key to a Java HashMap
- Stick with the standard APIs and add a collection class like a ‘Vector’ or ‘ArrayList’ to your map or set.
- Use the MultiMap and MultiValueMap classes from the Apache Commons library.