This question already has an answer here:
How do I show the leading zeros of a field returned from mysql? For example: in a given field, I have the value "000A46" and I need to display the 3 zeros on the screen. However, PHP hides them. Shows only "A46".
Ps. "000A46" was just an example. It could be "000A4658" or "00000000S" and so on...
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Just to this:
$val = "A46";
$val = str_pad ( $val , 6, "0", STR_PAD_LEFT );