(PHP 4, PHP 5, PHP 7)
Absolute value
number abs ( mixed $number )
Returns the absolute value of number.
Parameters:
number
The numeric value to process
Returns:
The absolute value of number. If the argument number is of type float, the return type is also float, otherwise it is integer (as float usually has a bigger value range than integer).
Examples:
abs() example
<?php echo abs(-4.2); // 4.2 (double/float) echo abs(5); // 5 (integer) echo abs(-5); // 5 (integer) ?>
See also:
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