Execute and test PHP functions that have no place in one of the other categories.
Filters a variable with a specified filter.
Gets the float value of $var.
The distance function calculates the distance between 2 geo-coordinates. The distance is the distance on the crow flies, not by an itinerary.
The coordinates can be entered with . and , for the decimal place. Calculates the distance in kilometers (km).
Returns the integer value of $var, using the specified $base for the conversion (the default is base 10).
Json_decode() takes a JSON encoded string and converts it into a PHP variable.
Returns a string containing the JSON representation of $value.
Generates a storable representation of a value. This is useful for storing or passing PHP values around without losing their type and structure.
To make the serialized string into a PHP value again, use unserialize().
Returns the string value of $var. $var may be any scalar type. You cannot use strval() on arrays or objects.
unserialize() takes a single serialized variable and converts it back into a PHP value.