Using PHP programming, one of the most commonly used loop to iterate over an array is a foreach loop. The foreach loop works on arrays and objects, and it will give you an error when you try to use it on a variable with a different data type or an undefined variable.
Here’s the two sample syntax:
The syntax in plain English this statement will do the following, For each item in the specified array execute the statement.
foreach (array_expression as $value)
statement
foreach (array_expression as $key => $value)
statement
An example using the first given syntax:
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