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Developer Documentation

See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.

Differences Between: [Versions 400 and 401] [Versions 400 and 402] [Versions 400 and 403]

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File Size: 129 lines (3 kb)
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Includes or requires: 0 files

Defines 1 class


Class: Helpers  - X-Ref

verySmallDenominator(float $numerator, float $denominator)   X-Ref
Many functions accept null/false/true argument treated as 0/0/1.

return: float|string quotient or DIV0 if denominator is too small

validateNumericNullBool($number)   X-Ref
Many functions accept null/false/true argument treated as 0/0/1.

return: float|int
param: mixed $number

validateNumericNullSubstitution($number, $substitute)   X-Ref
Validate numeric, but allow substitute for null.

return: float|int
param: mixed $number
param: null|float|int $substitute

validateNotNegative($number, ?string $except = null)   X-Ref
Confirm number >= 0.

param: float|int $number

validatePositive($number, ?string $except = null)   X-Ref
Confirm number > 0.

param: float|int $number

validateNotZero($number)   X-Ref
Confirm number != 0.

param: float|int $number

returnSign(float $number)   X-Ref
No description

getEven(float $number)   X-Ref
No description

numberOrNan($result)   X-Ref
Return NAN or value depending on argument.

return: float|string
param: float $result Number