Definition and Usage. The array() function is used to create an array. In PHP, there are three types of arrays: Indexed arrays - Arrays with numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays.
Liters and milligrams aren't compatible (liters measure volume and milligrams measure mass). One liter of water is equal to 1,000,000 milligrams, and there are 1000 milliliters in one liter. ChaCha again soon! data-config-site-section=chacha>.
How many 1 mg to 1 ml? This is not a valid conversion; milligrams (mg) and grams (g) are  measures of  weight or mass and mL (milliliters) is a measure of  volume.his cannot be sensibly answered. A milliliter (mL or ml) is a  measure of volume, grams (g), kilograms (kg) and milligrams (mg)  are measures of weight or mass. 1 person found this useful.