Question

How to run function name with number with for loop in PHP

Answer 1

function function_1() { echo "1" . "<br>"; }
function function_2() { echo "2" . "<br>"; }
function function_3() { echo "3" . "<br>"; }
function function_4() { echo "4" . "<br>"; }
function function_5() { echo "5" . "<br>"; }

for($i = 1;$i <= 5;$i++)
{
    $exc = 'function_'.$i;
    $exc();
}
            
/*
run:

1
2
3
4
5

*/ 

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Answer 2

function function_1() { echo "1" . "<br>"; }
function function_2() { echo "2" . "<br>"; }
function function_3() { echo "3" . "<br>"; }
function function_4() { echo "4" . "<br>"; }
function function_5() { echo "5" . "<br>"; }

for($i = 1;$i <= 5;$i++)
{
    call_user_func('function_' . $i);
}
            
/*
run:

1
2
3
4
5

*/ 

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