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mordred · 07-08-2002, 10:06 PM

That manual section explains it all:
http://www.php.net/manual/en/languag...oolean.casting

So if you have a string "0" and do an implicit cast to boolean (in the if statement), you've got bad luck. Try to use strlen() to determine if a string length is greater than 0 - which indicates that the user has set a value for this input field.

07-08-2002, 10:06 PM	PM User \| #4
mordred Senior Coder Join Date: Jun 2002 Location: frankfurt, german banana republic Posts: 1,848 Thanks: 0 Thanked 0 Times in 0 Posts	That manual section explains it all: http://www.php.net/manual/en/languag...oolean.casting So if you have a string "0" and do an implicit cast to boolean (in the if statement), you've got bad luck. Try to use strlen() to determine if a string length is greater than 0 - which indicates that the user has set a value for this input field.