Programming PHP

Name

extract

Synopsis

int extract(array array[, int type[, string prefix]])

Sets the value of variables to the values of elements from an array. For each element in the array, the key is used to determine the variable name to set, and that variable is set to the value of the element.

The second argument, if given, takes one of the following values to determine behavior if the values in the array have the same name as variables already existing in the local scope:

EXTR_OVERWRITE (default)	Overwrite the existing variable
EXTR_SKIP	Don’t overwrite the existing variable (ignore the value provided in the array)
EXTR_PREFIX_SAME	Prefix the variable name with the string given as the third argument
EXTR_PREFIX_ALL	Prefix all variable names with the string given as the third argument
EXTR_PREFIX_INVALID	Prefix any invalid or numeric variable names with the string given as the third argument

The function returns the number of successfully set variables.