3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Registry { public $data = []; public function __get($var) { return $this->data[$var] ?? null; } public function get($var, $default) { if (!array_key_exists($var, $this->data)) { return $default; } } } $reg = new Registry; var_dump($reg->empty); var_dump(strtoupper($reg->empty)); var_dump($reg->get('empty', 'empty')); var_dump(strtoupper($reg->get('empty', 'empty')));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.140.0130.00917.71
8.4.130.0120.00818.01
8.4.120.0040.00520.77
8.4.110.0120.00918.86
8.4.100.0040.00517.88
8.4.90.0130.00818.08
8.4.80.0090.01317.92
8.4.70.0090.00818.00
8.4.60.0120.00818.64
8.4.50.0060.00518.01
8.4.40.0150.00418.06
8.4.30.0130.00720.59
8.4.20.0070.01318.77
8.4.10.0130.00722.23
8.3.270.0090.01016.58
8.3.260.0140.00516.70
8.3.250.0110.00820.46
8.3.240.0050.00416.84
8.3.230.0130.00716.60
8.3.220.0160.00416.99
8.3.210.0060.00916.76
8.3.200.0080.00616.80
8.3.190.0110.00717.13
8.3.180.0110.00916.88
8.3.170.0130.00617.11
8.3.160.0060.01318.73
8.3.150.0150.00420.82
8.3.140.0080.00018.67
8.3.130.0090.00616.61
8.3.120.0040.00418.80
8.3.110.0030.00720.94
8.3.100.0130.00716.53
8.3.90.0040.00426.77
8.3.80.0030.00616.63
8.3.70.0090.00616.63
8.3.60.0190.00318.68
8.3.50.0080.00618.36
8.3.40.0150.00018.82
8.3.30.0030.01018.84
8.3.20.0080.00024.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.290.0120.00718.93
8.2.280.0090.00918.68
8.2.270.0180.00018.79
8.2.260.0030.00518.34
8.2.250.0050.00316.58
8.2.240.0070.01019.10
8.2.230.0070.00322.58
8.2.220.0040.00424.06
8.2.210.0080.00026.77
8.2.200.0080.00318.66
8.2.190.0100.01016.75
8.2.180.0070.00725.92
8.2.170.0030.01318.95
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00819.66
8.2.110.0050.00522.13
8.2.100.0000.01022.15
8.1.330.0110.00816.46
8.1.320.0090.01216.40
8.1.310.0040.00416.77
8.1.300.0030.00518.50
8.1.290.0060.00330.84
8.1.280.0140.00725.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00520.32
8.1.230.0070.00318.72
8.1.70.0010.00617.49

preferences:
80.3 ms | 403 KiB | 5 Q