what is the static variable in function useful for?
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Manosmita
- Query: 247 / Answer: 251
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Pratik Samantaray
- Query: 21 / Answer: 25
A static variable is defined within a function only the first time and its value can be modified during function calls as follows:
function testFunction() {
static $testVariable = 1;
echo $testVariable; $testVariable++;
}
testFunction(); //1 testFunction(); //2 testFunction(); //3
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