PHP provides a wide range of mathematical functions, including: basic operations: abs(), max(), min(), round(), floor(), ceil() trigonometric functions: sin(), cos(), tan(), asin(), acos(), atan() advanced functions: log(), log10(), exp(), pow(), sqrt()
Using PHP’s mathematical functions
PHP provides an extensive library of mathematical functions that can easily perform various numerical operations. These functions range from basic operations, such as addition and subtraction, to advanced calculations, such as trigonometric functions and matrix operations.
Basic operations
Function | Description |
---|---|
abs() |
Calculate the absolute value |
##max()
| Return the maximum value among multiple values|
min()
| Return the minimum value among multiple values|
round()
| Rounds a number to the specified precision|
floor()
| Round down to the nearest integer|
ceil()
| Round up to the nearest integer
Trigonometric functions
Description | |
---|---|
sin()
| Returns the sine value|
cos()
| Returns cosine value|
tan()
| Returns tangent value|
asin()
| Calculate arc sine|
Calculate arc cosine |
|
Calculate arctangent |
Description | |
---|---|
Returns the natural logarithm of the specified base |
|
Returns the common logarithm with base 10 Logarithm |
|
Calculate the power of Euler number |
|
Returns the second parameter raised to the power of the first parameter |
|
Calculate the square root |
Calculate the area of a circle
<?php $radius = 10; $area = pi() * pow($radius, 2); echo "圆的面积为: $area 平方单位"; ?>
<?php $x1 = 0; $y1 = 0; $x2 = 10; $y2 = 10; $distance = sqrt(pow($x2 - $x1, 2) + pow($y2 - $y1, 2)); echo "两点之间的距离为: $distance 单位"; ?>
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