[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] language, PHP last-in first-out (LIFO) stacks lcg_value( ) function LDAP (Lightweight Directory Access Protocol) leading parameter for PDF text left shift (<<) operator length of output buffers of strings strlen( ) function (example) Lerdorf, Rasmus less than (<) operator less than or equal to (<=) operator levels of conditions, error reporting Levenshtein algorithm, calculating similarity of strings levenshtein( ) function 2nd lexicographic (textual) comparisons libraries [See also extensions] code concealing for security PEAR, installing libswf extension, configuring external dependencies Lightweight Directory Access Protocol (LDAP) line breaks in PHP code line endings on Unix and Windows lines, drawing from current point back to starting point link( ) function linkinfo( ) function links in PDF documents[links PDF} lstat( ) function readlink( ) function symbolic unlinking list( ) function combining with array_slice( ) copying array values into variables literals string load balancing loading code and HTML from another module local scope function parameters local server application local variables, freeing values in memory management locale system (Unix) localeconv( ) function localtime( ) function Location header Log objects, serializing/deserializing (example) log( ) function log10( ) function logging in error handlers error messages to syslog functions for opening connection to system logger session errors logical operators long data type storing integers as long2ip( ) function lookahead and lookbehind assertions conditional expressions looping over array elements with each( ) loops do/while foreach 2nd while lstat( ) function ltrim( ) function 2nd Luhn checksum |