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<?php function parseDbString(string $value = 'Looking for a good {{ $pippo }}'){ $pippo='Pizza'; return preg_replace_callback('/{{(.*?)}}/', function($res) use ($pippo) { return $res;//trim($res[1]); // $val=${trim($res[1])}; Returns "Undefined variable: $pippo" $val=${trim($res[1])}; // Returns "Looking for a good Pizza" return isset($val) ? $val : $res[0]; },$value); } var_dump(parseDbString());
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Array to string conversion in /in/n45ZN on line 5 string(24) "Looking for a good Array"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Array to string conversion in /in/n45ZN on line 5 string(24) "Looking for a good Array"
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Array to string conversion in /in/n45ZN on line 10 string(24) "Looking for a good Array"
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/n45ZN on line 10 string(24) "Looking for a good Array"
Output for 7.3.32 - 7.3.33
string(24) "Looking for a good Array"
Output for 5.6.38
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/n45ZN on line 3
Process exited with code 255.
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