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compute_distance

Language/Type: PHP parameters Math

Write a function named compute_distance that accepts four integer coordinates x1, y1, x2, and y2 as parameters and computes the distance between points (x1, y1) and (x2, y2) on the Cartesian plane. The formula for the distance between two points is:

distance equation

For example, the call of compute_distance(10, 2, 3, 5) should return 7.615773105863909.

Function: Write a PHP function as described, not a complete program.

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