Programming PHP

Calculates the Levenshtein distance between two strings; this is the number of characters
you have to replace, insert, or delete to transform one into two. By default, replacements,
inserts, and deletes have the same cost, but you can specify different costs with insert,
replace, and delete. In the second form, you provide a callback to calculate the cost of an
operation.
link
int link(string path, string new)
Creates a hard link to path at the path new. Returns true if the link was successfully created
and false if not.
linkinfo
int linkinfo(string path)
Returns true if path is a link and if the file referenced by path exists. Returns false if path is
not a link, if the file referenced by it does not exist, or if an error occurs.
list
void list(mixed value1[, ... valueN])
Assigns a set of variables from elements in an array. For example:
list($first, $second) = array(1, 2); // $first = 1, $second = 2
Note: list is actually a language construct.
localeconv
array localeconv( )
Returns an associative array of information about the current locale’s numeric and monetary
formatting. The array contains the following elements:
decimal_point Decimal-point character
thousands_sep Separator character for thousands
grouping Array of numeric groupings; indicates where the number
should be separated using the thousands separator character
int_curr_symbol International currency symbol (e.g., “USD”)
currency_symbol Local currency symbol (e.g., “$”)
mon_decimal_point Decimal-point character for monetary values
mon_thousands_sep Separator character for thousands in monetary values
420 | Appendix A: Function Reference
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