3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Doge { private $name = 'smelly doge'; public function __get($attribute) { return $this->{$attribute}; } public function __isset($attribute) { return isset($this->{$attribute}); } } $doge = new Doge(); var_dump( $doge->name, empty($doge->name), isset($doge->name) );

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)
8.3.70.0150.00018.20
8.3.60.0130.00618.20
8.3.50.0080.00921.96
8.3.40.0090.00618.49
8.3.30.0110.01118.97
8.3.20.0070.00720.29
8.3.10.0080.00022.02
8.3.00.0040.00422.39
8.2.190.0110.00416.63
8.2.180.0140.00416.75
8.2.170.0040.01122.96
8.2.160.0030.01020.71
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.13
8.2.110.0060.00320.94
8.2.100.0070.00417.91
8.2.90.0040.00417.84
8.2.80.0000.00818.22
8.2.70.0080.00017.75
8.2.60.0040.00417.50
8.2.50.0000.01019.35
8.2.40.0050.00319.46
8.2.30.0040.00417.98
8.2.20.0040.00417.64
8.2.10.0080.00017.61
8.2.00.0050.00317.77
8.1.280.0100.01025.92
8.1.270.0040.00421.92
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00823.84
8.1.230.0040.00820.98
8.1.220.0050.00517.74
8.1.210.0030.00518.79
8.1.200.0040.00417.48
8.1.190.0000.00917.35
8.1.180.0000.00818.10
8.1.170.0030.00620.27
8.1.160.0040.00422.01
8.1.150.0000.00818.61
8.1.140.0040.00417.49
8.1.130.0050.00317.82
8.1.120.0030.00417.45
8.1.110.0040.00417.46
8.1.100.0040.00417.38
8.1.90.0020.00517.50
8.1.80.0000.00717.48
8.1.70.0000.00717.37
8.1.60.0040.00417.65
8.1.50.0000.00817.57
8.1.40.0000.00717.43
8.1.30.0040.00417.54
8.1.20.0000.01017.68
8.1.10.0040.00417.55
8.1.00.0040.00417.44
8.0.300.0000.00719.89
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0030.00317.23
8.0.260.0030.00318.37
8.0.250.0030.00316.92
8.0.240.0000.00816.86
8.0.230.0030.00416.96
8.0.220.0040.00416.84
8.0.210.0070.00016.94
8.0.200.0000.00716.91
8.0.190.0030.00516.84
8.0.180.0080.00016.98
8.0.170.0030.00616.91
8.0.160.0080.00016.84
8.0.150.0000.00716.86
8.0.140.0050.00316.84
8.0.130.0000.00613.30
8.0.120.0080.00016.84
8.0.110.0040.00416.84
8.0.100.0050.00216.72
8.0.90.0000.00716.89
8.0.80.0090.01216.93
8.0.70.0000.00716.93
8.0.60.0050.00216.73
8.0.50.0070.00016.73
8.0.30.0100.01217.03
8.0.20.0070.01317.40
8.0.10.0000.00816.99
8.0.00.0080.01016.71
7.4.330.0030.00315.00
7.4.320.0060.00016.36
7.4.300.0060.00016.45
7.4.290.0040.00416.65
7.4.280.0030.00316.55
7.4.270.0000.00716.42
7.4.260.0000.00716.54
7.4.250.0000.00816.49
7.4.240.0030.00416.58
7.4.230.0000.00716.35
7.4.220.0110.00616.55
7.4.210.0110.00516.60
7.4.200.0030.00316.49
7.4.190.0000.00716.76
7.4.160.0030.01216.28
7.4.150.0030.02117.40
7.4.140.0110.00617.86
7.4.130.0090.00916.47
7.4.120.0130.00616.47
7.4.110.0090.01116.48
7.4.100.0120.00616.67
7.4.90.0150.00316.31
7.4.80.0140.00519.39
7.4.70.0030.01316.36
7.4.60.0100.00616.40
7.4.50.0000.00816.57
7.4.40.0110.00722.77
7.4.30.0130.01016.48
7.4.00.0050.01014.80
7.3.330.0050.00013.29
7.3.320.0030.00313.16
7.3.310.0000.00816.27
7.3.300.0040.00416.31
7.3.290.0080.01216.28
7.3.280.0090.01016.30
7.3.270.0100.00717.40
7.3.260.0120.00616.36
7.3.250.0130.00616.36
7.3.240.0140.00316.26
7.3.230.0080.00816.39
7.3.210.0070.01016.49
7.3.200.0130.00319.39
7.3.190.0130.00816.44
7.3.180.0170.00316.33
7.3.170.0100.00716.44
7.3.160.0090.00616.51
7.3.120.0090.00814.78
7.3.110.0100.00714.98
7.3.100.0080.00814.79
7.3.90.0040.01214.62
7.3.80.0090.00614.82
7.3.70.0070.00714.59
7.3.60.0070.01014.61
7.3.50.0100.00014.86
7.3.40.0060.00614.76
7.3.30.0040.01114.82
7.3.20.0040.01116.52
7.3.10.0020.01116.57
7.3.00.0100.00616.71
7.2.330.0100.00716.36
7.2.320.0130.01016.42
7.2.310.0130.00616.42
7.2.300.0150.00816.73
7.2.290.0090.00816.46
7.2.250.0030.01414.58
7.2.240.0030.01614.74
7.2.230.0040.00814.83
7.2.220.0040.00815.25
7.2.210.0060.01215.23
7.2.200.0060.00614.78
7.2.190.0100.00314.94
7.2.180.0070.00714.79
7.2.170.0030.00614.71
7.2.130.0180.00416.76
7.2.120.0070.00716.59
7.2.110.0080.00416.72
7.2.100.0110.00716.79
7.2.90.0070.01016.62
7.2.80.0090.01216.73
7.2.70.0000.01816.78
7.2.60.0130.00616.71
7.2.50.0110.00716.83
7.2.40.0200.00316.67
7.2.30.0090.01316.78
7.2.20.0070.00716.91
7.2.10.0180.00416.73
7.2.00.0080.01018.19
7.1.330.0000.01515.55
7.1.320.0070.00715.67
7.1.310.0110.00315.75
7.1.300.0080.00715.30
7.1.290.0030.00915.78
7.1.280.0100.00315.82
7.1.270.0070.00715.45
7.1.260.0000.01215.71
7.1.250.0040.00815.71
7.1.100.0030.00718.12
7.1.70.0070.00316.84
7.1.60.0000.02219.82
7.1.50.0110.01416.92
7.1.00.0030.07722.54
7.0.200.0090.00316.64
7.0.140.0100.06722.18
7.0.60.0070.07719.98
7.0.50.0070.08717.87
7.0.40.0000.04320.21
7.0.30.0600.06320.10
7.0.20.0130.04720.30
7.0.10.0130.04020.11
7.0.00.0230.07320.15
5.6.210.0130.08020.49
5.6.200.0030.04018.18
5.6.190.0100.03720.33
5.6.180.0400.06720.63
5.6.170.0270.07320.50
5.6.160.0030.08720.54
5.6.150.0170.05318.12
5.6.140.0070.04718.14
5.6.130.0100.07718.19
5.6.120.0130.08021.15
5.6.110.0100.08021.09
5.6.100.0030.04021.14
5.6.90.0070.05721.11
5.6.80.0200.06020.49
5.6.70.4500.03720.51
5.5.350.0100.02720.39
5.5.340.0170.07317.99
5.5.330.0030.09020.35
5.5.320.0000.07020.27
5.5.310.0270.07320.41
5.5.300.0070.08018.04
5.5.290.0070.07318.04
5.5.280.0200.07020.74
5.5.270.0030.05020.83
5.5.260.0230.06020.87
5.5.250.0170.08020.62
5.5.240.0070.05320.15
5.4.450.0400.06319.69
5.4.440.0600.06019.60
5.4.430.0400.07019.46
5.4.420.0600.06019.60
5.4.410.0630.06019.27
5.4.400.0130.04718.53
5.4.390.0130.05018.79
5.4.380.0300.04718.84
5.4.370.0300.05718.49
5.4.360.0270.04718.70
5.4.350.0300.04318.52
5.4.340.0200.05018.70
5.4.320.0070.04512.50
5.4.310.0080.04012.50
5.4.300.0120.05112.50
5.4.290.0050.04612.50
5.4.280.0120.03112.39
5.4.270.0130.05718.79
5.4.260.0100.06318.84
5.4.250.0130.05019.02
5.4.240.0130.07718.88
5.4.230.0030.06019.18
5.4.220.0200.05018.78
5.4.210.0130.08019.09
5.4.200.0100.05718.88
5.4.190.0130.07319.00
5.4.180.0170.04718.93
5.4.170.0230.04018.98
5.4.160.0130.05319.01
5.4.150.0200.06318.84
5.4.140.0130.06016.43
5.4.130.0070.06016.49
5.4.120.0100.05016.48
5.4.110.0070.05316.38
5.4.100.0070.07716.68
5.4.90.0100.04716.65
5.4.80.0130.05016.58
5.4.70.0130.07016.59
5.4.60.0030.05716.36
5.4.50.0100.05016.41
5.4.40.0070.05316.70
5.4.30.0030.07016.52
5.4.20.0100.06016.62
5.4.10.0130.04316.56
5.4.00.0000.07316.07
5.3.290.0090.04412.80
5.3.280.0030.06714.81
5.3.270.0170.05014.89
5.3.260.0030.06714.89
5.3.250.0170.05314.87
5.3.240.0130.06714.49
5.3.230.0100.06314.72
5.3.220.0130.06714.64
5.3.210.0030.08314.75
5.3.200.0130.05314.75
5.3.190.0200.06314.86
5.3.180.0130.05014.68
5.3.170.0130.06314.79
5.3.160.0100.05014.65
5.3.150.0130.05014.83
5.3.140.0170.04714.55
5.3.130.0030.06314.43
5.3.120.0030.06314.86
5.3.110.0170.04314.82
5.3.100.0070.06014.22
5.3.90.0130.06014.02
5.3.80.0130.04714.22
5.3.70.0070.07014.23
5.3.60.0030.05714.27
5.3.50.0100.06314.14
5.3.40.0070.05014.15
5.3.30.0070.05313.96
5.3.20.0070.05013.96
5.3.10.0000.05313.86
5.3.00.0230.04313.85
5.2.170.0030.04711.20
5.2.160.0070.04711.20
5.2.150.0070.04011.33
5.2.140.0070.03711.36
5.2.130.0100.03711.39
5.2.120.0070.05311.16
5.2.110.0170.04311.10
5.2.100.0070.05310.98
5.2.90.0070.04011.16
5.2.80.0100.03711.27
5.2.70.0030.04311.13
5.2.60.0070.03711.33
5.2.50.0100.04010.89
5.2.40.0030.04311.05
5.2.30.0070.04011.18
5.2.20.0100.03710.84
5.2.10.0070.04310.86
5.2.00.0100.04010.85
5.1.60.0070.0339.88
5.1.50.0100.04310.28
5.1.40.0130.03710.28
5.1.30.0100.03710.53
5.1.20.0030.03710.41
5.1.10.0130.03310.39
5.1.00.0070.05010.33
5.0.50.0100.0378.71
5.0.40.0070.0378.29
5.0.30.0030.0538.31
5.0.20.0070.0378.49
5.0.10.0030.0278.17
5.0.00.0100.0478.47
4.4.90.0070.0237.61
4.4.80.0030.0337.61
4.4.70.0070.0277.61
4.4.60.0070.0177.61
4.4.50.0030.0307.61
4.4.40.0000.0377.61
4.4.30.0000.0277.61
4.4.20.0030.0307.61
4.4.10.0030.0207.61
4.4.00.0030.0307.61
4.3.110.0000.0307.61
4.3.100.0070.0207.61
4.3.90.0070.0277.61
4.3.80.0000.0377.61
4.3.70.0000.0307.61
4.3.60.0000.0237.60
4.3.50.0070.0307.60
4.3.40.0000.0337.58
4.3.30.0030.0237.57
4.3.20.0030.0277.57
4.3.10.0000.0237.57
4.3.00.0070.0236.32

preferences:
47.08 ms | 401 KiB | 5 Q