PHP Code:
/*
Players' real sizes are 16, 16, 32 -16, -16, -32
You probably understand the sizes, like following code at least should make player(or his solid area) two times higher.
*/
#include <amxmodx>
#include <fakemeta>
public plugin_init()
register_clcmd("test", "test");
public test(id)
{
engfunc(EngFunc_SetSize, id, {16.0, 16.0, 64.0}, {-16.0, -16.0, -64.0});
//...
}