__halt_compiler Halts the compiler execution &reftitle.description; void__halt_compiler Halts the execution of the compiler. This can be useful to embed data in PHP scripts, like the installation files. Byte position of the data start can be determined by the __COMPILER_HALT_OFFSET__ constant which is defined only if there is a __halt_compiler presented in the file. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; &return.void; &reftitle.examples; &reftitle.notes; __halt_compiler can only be used from the outermost scope.