<?php
namespace first;
function f1(){
echo "f1-1";
}
namespace second;
function f1(){
echo "f1-2";
}
f1();/ / Why did you output F1-2? are they all in the same space? The principle of proximity?
<?php
namespace first;
function f1(){
echo "f1-1";
}
namespace second;
function f1(){
echo "f1-2";
}
f1();/ / Why did you output F1-2? are they all in the same space? The principle of proximity?
your way of writing, F1 (); is obviously under the namespace second, it must be the second one, ah, there is no principle of proximity. You will know in the back
echo _ _ NAMESPACE__;.
single file multiple namespaces are best to use {} to divide the space scope
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