3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($value, int $flags = 0) { $flags = JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | ($flags & 0) | (defined('JSON_PRESERVE_ZERO_FRACTION') ? JSON_PRESERVE_ZERO_FRACTION : 0); // since PHP 5.6.6 & PECL JSON-C 1.3.7 $json = json_encode($value, $flags); if ($error = json_last_error()) { throw new Exception(json_last_error_msg(), $error); } if (PHP_VERSION_ID < 70100) { $json = str_replace(["\u{2028}", "\u{2029}"], ['\u2028', '\u2029'], $json); } return $json; } echo encode((object)[1 => 2]);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.27, 8.4.1 - 8.4.14
{"1":2}
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/RR3ZS on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/RR3ZS on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in /in/RR3ZS on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in /in/RR3ZS on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/RR3ZS on line 3
Process exited with code 255.
preferences:
201.32 ms | 412 KiB | 5 Q