PHP version xtrace

output.txt

@xtetsuji ➜ /workspaces/codespaces-blank $ php tick_test.php 
Xdebug: [Step Debug] Could not connect to debugging client. Tried: localhost:9003 (through xdebug.client_host/xdebug.client_port).
Executing /workspaces/codespaces-blank/tick_test.php on line 9
Hello
Executing /workspaces/codespaces-blank/tick_test.php on line 12
Executing /workspaces/codespaces-blank/tick_test.php on line 13
Executing /workspaces/codespaces-blank/tick_test.php on line 14
Result: 10
Executing /workspaces/codespaces-blank/tick_test.php on line 15

tick_test.php

<?php
declare(ticks=1);

function trace_execution() {
    $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1)[0];
    echo "Executing {$backtrace['file']} on line {$backtrace['line']}\n";
}

register_tick_function('trace_execution');

// サンプルコード
echo "Hello\n";
$a = 5;
$b = $a * 2;
echo "Result: $b\n";