Concept
How does the foreach syntax iterate over an array in PHP?
ComputerScienceOne / Normalizing a Number
"In the foreach syntax we specify the array we want to iterate over, $arr, and use the keyword as. The last element in the statement is the variable name that we want to use within the loop. This should be read as “foreach element $x in the array $arr ...”. Inside the loop, the variable $x will be automatically updated on each iteration to the next element in $arr."
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