syntax:functions:asnumber
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syntax:functions:asnumber [2015/04/18 23:05] – dmitry | syntax:functions:asnumber [2021/09/12 12:13] (current) – craigt | ||
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- | ===== AsNumber(value) ===== | + | ====== AsNumber(expression) ====== |
+ | Category: | ||
- | This function converts | + | \\ |
+ | =====Description===== | ||
+ | This function converts //expression// to a number. | ||
+ | \\ | ||
+ | =====Use cases===== | ||
+ | This is useful when you wish to validate the contents of a field or retrieve the number value of a field. | ||
+ | |||
+ | \\ | ||
+ | =====Arguments===== | ||
+ | ^Argument^Type^Description^ | ||
+ | |expression|Number, | ||
+ | |||
+ | **Return value type:** Number | ||
+ | |||
+ | \\ | ||
+ | =====Remarks===== | ||
* Text should have only digits and one decimal point. | * Text should have only digits and one decimal point. | ||
* Boolean is converted into -1 (TRUE) or 0 (FALSE). | * Boolean is converted into -1 (TRUE) or 0 (FALSE). | ||
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* Everything else returns error. | * Everything else returns error. | ||
- | ^ Example | + | \\ |
- | | asnumber( ' | + | =====Examples===== |
- | | asnumber( 543.21 ) | + | |
- | | asnumber( 1 > 2 ) | 0 | | + | |
- | | asnumber( ' | + | |
+ | asnumber( 1 > 2 ) //Returns 0 (FALSE result of an expression.) | ||
+ | asnumber( ' | ||
+ | \\ | ||
+ | =====See also===== | ||
+ | * [[syntax: | ||
- | === See also === | ||
- | * [[syntax: |
syntax/functions/asnumber.1429412713.txt.gz · Last modified: 2015/04/18 23:05 by dmitry