When calling a recursive function in a loop, is the nested number 100 cumulative?

I have a foreach function that calls a recursive function to obtain a subset. There are 36 records in total. When I get to the 16th record, I get an error

<code>Maximum function nesting level of '100' reached, aborting! in </code>

This shouldn’t be an endless loop, right?

Code pictures

Reply content:

I have a foreach function that calls a recursive function to obtain a subset. There are 36 records in total. When I get to the 16th record, I get an error

<code>Maximum function nesting level of '100' reached, aborting! in </code>

This shouldn’t be an endless loop, right?

Code pictures

This is the limit of the entire call stack. You can call the debug_backtrace method to get the current stack depth

http://php.net/manual/en/func...

<code>function test() {
    echo count(debug_backtrace()) . "\n";
}

function test2() {
    test();
}

test(); //输出1
test2(); //输出2
</code>