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Problem With Pointers


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i want learning PHP coding. i read books and watching tutorials. and i've problem about pointers. i wrote this code by myself and this code not working.




$num= Array(0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20);

while ($a = current($num)) {

echo $a . ",";





why this is not working ? please help me.

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Unfortunately, it's not working because PHP is treating your first value, the 0, as boolean false, so it's skipping the entire loop. Change it to 1 and see for yourself.


Regardless, you're better off sticking with foreach() loops, which is generally the convention when looping through arrays.

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