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PEAR_Dependency::checkProgram
Вернуться к: PEAR_Dependency
PEAR_Dependency::checkProgram
PEAR_Dependency::checkProgram() – Check external program
Synopsis
require_once 'PEAR/Dependency.php';
mixed PEAR_Dependency::checkProgram ( mixed &$errmsg , string $program )
External program check method. Looks for executable files in directories listed in the PATH environment variable.
Parameter
- mixed &$errmsg
-
this variable will contains an error message, if check fail
- string $program
-
which program to look for
Return value
mixed - FALSE if dependency could be resolved successfully(!); or an PEAR_DEPENDENCY_* constant in case of unresolved dependency.
Note
This function can not be called statically.
Вернуться к: PEAR_Dependency