Is 0 false or true in php?
This is the simplest type. A bool expresses a truth value. It can be either Show Syntax To specify a bool literal, use the constants
Typically, the result of an operator which returns a bool value is passed on to a control structure.
Converting to boolean To explicitly convert a value to bool, use the See also Type Juggling. When converting to bool, the following values are considered
Every other value is considered Warning
Fred Koschara ¶ 9 years ago
Mark Simon ¶ 5 years ago
admin at eexit dot fr ¶ 13 years ago
var_dump((string)0 == 'all'); // false goran77 at fastmail dot fm ¶ 6 years ago
terminatorul at gmail dot com ¶ 15 years ago
Steve ¶ 14 years ago
artktec at gmail dot com ¶ 14 years ago
Mark Simon ¶ 5 years ago
Wackzingo ¶ 14 years ago
$var1; // Will display the number 1
echo $var2; //Will display nothing
marklgr ¶ 6 years ago
richie dot hayward at gmail dot com ¶ 6 years ago
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mike652638 at qq dot com ¶ 1 year ago
fyrye at torntech dot com ¶ 12 years ago
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Symbol ¶ 13 years ago
Anonymous ¶ 2 years ago
= 5; mercusmaximus at yahoo dot com ¶ 12 years ago
wbcarts at juno dot com ¶ 13 years ago
boolString($bValue = false) { // returns string sumon dot pdk dot bd at gmail dot com ¶ 2 years ago
Is 0 the same as false?Boolean Variables and Data Type ( or lack thereof in C )
C does not have boolean data types, and normally uses integers for boolean testing. Zero is used to represent false, and One is used to represent true. For interpretation, Zero is interpreted as false and anything non-zero is interpreted as true.
Is 0 and null the same in PHP?PHP considers null is equal to zero.
Does 0 count as empty PHP?PHP empty() Function
The following values evaluates to empty: 0.
Is 0 True or false bool?Treating integers as boolean values
Whenever an integer value is tested to see whether it is true of false, 0 is considered to be false and all other integers are considered be true.
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