php add 0 before number

44

php add 0 before number -

$number = 4;
str_pad($number, 2, '0', STR_PAD_LEFT); // returns 04

$number = 14;
str_pad($number, 2, '0', STR_PAD_LEFT); // returns 14

prepend 0 to number php -

str_pad($month, 2, '0', STR_PAD_LEFT); 

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