<?php
function parseDbString(string $value = 'Looking for a good {{ $pippo }}'){
global $pippo;
$pippo = 'Pizza';
return preg_replace_callback('/{{ \$(.*?) }}/', function($m) use ($pippo) {
echo "Global: " , $GLOBALS['pippo'];
echo "\n{$m[1]}\n";
return $GLOBALS[$m[1]] ?? $m[0]; // null coalescing operator provides fallback
},$value);
}
echo parseDbString();
- Output for 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- Global: Pizza
pippo
Looking for a good Pizza
- Output for 5.6.38
- Fatal error: Default value for parameters with a class type hint can only be NULL in /in/HJL6s on line 2
Process exited with code 255.
preferences:
112.76 ms | 407 KiB | 5 Q