Solvent Solvent A solvent (from the Latin "solvō", "loosen, untie, solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution. A solvent is usually a liquid but can also be a solid, a gas, or a supercritical fluid. The quantity of solute that can dissolve in a specific volume of solvent varies with temperature. Common uses for organic solvents are in dry cleaning (e.g. tetrachloroethylene), as paint thinners (e.g. toluene, turpentine), as nail polish removers and glue solvents (acetone, methyl acetate, ethyl acetate), in spot removers (e.g. hexane, petrol ether), in detergents
PEAR of PEAR and PECL extensions. On PHP installations running on Linux, the PEAR package manager is ready for usage by default, but on Windows the PEAR package manager is only available after running a batch file called codice_2. With Pyrus an attempt was undertaken to redesign and improve PEAR from the ground up for PHP 5.3 or newer. Pyrus can be used to install packages from PEAR channels. The last release is from March 2011 and its development might have been discontinued due to the popularity of Composer. With Composer there is an alternative available for managing packages for a