3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('America/Los_Angeles'); class Fruit implements JsonSerializable { public $type = 'Apple', $lastEaten = null; public function __construct() { $this->lastEaten = new DateTime(); } public function jsonSerialize() { return [ 'type' => $this->type, 'lastEaten' => $this->lastEaten->format(DateTime::ISO8601) ]; } } echo json_encode(new Fruit()); echo json_encode(DateTime());

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)
8.3.60.0070.01016.73
8.3.50.0080.00817.60
8.3.40.0090.00618.87
8.3.30.0070.00719.14
8.3.20.0000.00819.02
8.3.10.0040.00420.73
8.3.00.0040.00418.00
8.2.180.0140.00016.75
8.2.170.0150.00422.96
8.2.160.0000.01322.31
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.89
8.2.110.0030.00621.00
8.2.100.0090.00317.97
8.2.90.0040.00418.99
8.2.80.0000.00918.05
8.2.70.0080.00017.86
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0020.00518.11
8.2.20.0060.00317.97
8.2.10.0000.00818.12
8.2.00.0040.00418.02
8.1.280.0120.00625.92
8.1.270.0000.00724.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00321.01
8.1.230.0040.00720.99
8.1.220.0030.00617.91
8.1.210.0000.01018.96
8.1.200.0060.00317.61
8.1.190.0020.00517.64
8.1.180.0030.00718.10
8.1.170.0050.00318.90
8.1.160.0050.00218.95
8.1.150.0030.00518.75
8.1.140.0000.00817.66
8.1.130.0030.00317.96
8.1.120.0040.00417.56
8.1.110.0030.00517.56
8.1.100.0020.00517.59
8.1.90.0000.00717.66
8.1.80.0030.00517.68
8.1.70.0030.00317.55
8.1.60.0040.00417.72
8.1.50.0040.00417.53
8.1.40.0040.00417.71
8.1.30.0040.00417.75
8.1.20.0030.00517.66
8.1.10.0050.00217.68
8.1.00.0000.00717.65
8.0.300.0000.00920.02
8.0.290.0040.00416.88
8.0.280.0030.00318.41
8.0.270.0030.00317.35
8.0.260.0070.00017.00
8.0.250.0080.00017.23
8.0.240.0050.00617.14
8.0.230.0070.00017.20
8.0.220.0000.00717.20
8.0.210.0070.00017.14
8.0.200.0040.00417.09
8.0.190.0030.00517.24
8.0.180.0040.00417.20
8.0.170.0000.00817.18
8.0.160.0000.00817.10
8.0.150.0040.00417.03
8.0.140.0030.00617.15
8.0.130.0000.00813.54
8.0.120.0040.00417.09
8.0.110.0000.00816.99
8.0.100.0080.00017.18
8.0.90.0070.00017.20
8.0.80.0070.01317.15
8.0.70.0000.00817.22
8.0.60.0000.00717.19
8.0.50.0050.00217.01
8.0.30.0070.01117.39
8.0.20.0140.00617.31
8.0.10.0040.00417.24
8.0.00.0130.00917.23
7.4.330.0000.00513.00
7.4.320.0000.00716.70
7.4.300.0000.00616.60
7.4.290.0070.00016.68
7.4.280.0030.00616.60
7.4.270.0030.00316.60
7.4.260.0030.00313.24
7.4.250.0040.00416.63
7.4.240.0070.00016.66
7.4.230.0040.00416.57
7.4.220.0060.01016.65
7.4.210.0090.00616.61
7.4.200.0040.00416.58
7.4.190.0000.00716.64
7.4.160.0070.01016.69
7.4.150.0030.02016.55
7.4.140.0150.00516.68
7.4.130.0170.01416.54
7.4.120.0110.00716.79
7.4.110.0120.00616.63
7.4.100.0080.00816.66
7.4.90.0130.01016.62
7.4.80.0070.01016.54
7.4.70.0140.00316.76
7.4.60.0030.01516.85
7.4.50.0000.00916.75
7.4.40.0060.00916.85
7.4.30.0080.00816.66
7.4.00.0030.01014.94
7.3.330.0000.00613.45
7.3.320.0000.00513.43
7.3.310.0040.00416.40
7.3.300.0000.00716.52
7.3.290.0070.00716.45
7.3.280.0080.00716.50
7.3.270.0170.00816.51
7.3.260.0120.00816.48
7.3.250.0100.01216.54
7.3.240.0090.00916.44
7.3.230.0090.00916.50
7.3.210.0090.00916.69
7.3.200.0030.01619.39
7.3.190.0160.00516.66
7.3.180.0070.01016.45
7.3.170.0070.01416.55
7.3.160.0090.00616.48
7.3.120.0140.00014.80
7.2.330.0070.01016.75
7.2.320.0110.01116.74
7.2.310.0130.01016.78
7.2.300.0130.00316.88
7.2.290.0030.01416.97
7.2.60.0100.00717.23
7.2.00.0030.00919.60
7.1.200.0000.01115.83
7.1.100.0060.00318.31
7.1.70.0060.00617.23
7.1.60.0140.01019.40
7.1.50.0030.01717.02
7.1.00.0130.07022.36
7.0.200.0060.00317.11
7.0.140.0070.07322.02
7.0.120.0070.07022.04
7.0.90.0600.04319.89
7.0.80.0300.04320.01
7.0.70.0570.07019.99
7.0.60.0570.04019.88
7.0.50.0670.07720.30
7.0.40.0030.06720.05
7.0.30.0070.07020.11
7.0.20.0170.07720.00
7.0.10.0070.07020.05
7.0.00.0030.09020.07
5.6.280.0100.06720.89
5.6.240.0100.07720.52
5.6.230.0030.08320.75
5.6.220.0070.05320.56
5.6.210.0100.08020.65
5.6.200.0070.08721.12
5.6.190.0070.07721.05
5.6.180.0070.04021.04
5.6.170.0130.07021.05
5.6.160.0170.07021.07
5.6.150.0100.07721.11
5.6.140.0130.06321.05
5.6.130.0030.07021.05
5.6.120.0100.04021.06
5.6.110.0100.06721.05
5.6.100.0070.07721.05
5.6.90.0070.06021.09
5.6.80.0100.07320.52
5.6.70.0100.05020.52
5.6.60.0100.08020.38
5.6.50.0070.05020.56
5.6.40.0070.04020.44
5.6.30.0130.06720.45
5.6.20.0070.07720.42
5.6.10.0130.05320.45
5.6.00.0130.07020.52
5.5.380.0170.07320.36
5.5.370.0030.05720.57
5.5.360.0070.07720.37
5.5.350.0100.08020.43
5.5.340.0030.04720.89
5.5.330.0100.08320.90
5.5.320.0130.04720.83
5.5.310.0070.08020.81
5.5.300.0000.07720.89
5.5.290.0130.08020.89
5.5.280.0030.04320.93
5.5.270.0070.08720.87
5.5.260.0030.06020.91
5.5.250.0130.07320.73
5.5.240.0100.06020.29
5.5.230.0030.08320.17
5.5.220.0030.08320.28
5.5.210.0100.05020.02
5.5.200.0030.07720.26
5.5.190.0100.07720.00
5.5.180.0100.04020.06
5.5.160.0030.08020.13
5.5.150.0130.07319.99
5.5.140.0130.03719.99
5.5.130.0030.08020.27
5.5.120.0070.08320.18
5.5.110.0170.06320.27
5.5.100.0170.05720.13
5.5.90.0070.04320.07
5.5.80.0030.04020.07
5.5.70.0000.04720.06
5.5.60.0070.03320.11
5.5.50.0100.03020.15
5.5.40.0030.03719.90
5.5.30.0100.03320.14
5.5.20.0000.03720.15
5.5.10.0100.03319.96
5.5.00.0100.03320.11
5.4.450.0070.08019.56
5.4.440.0130.05019.36
5.4.430.0030.08319.45
5.4.420.0070.07319.35
5.4.410.0070.07019.04
5.4.400.0100.05718.85
5.4.390.0070.06718.88
5.4.380.0130.06718.95
5.4.370.0030.05019.21
5.4.360.0230.04318.88
5.4.350.0030.05019.23
5.4.340.0170.06719.13
5.4.320.0100.07319.18
5.4.310.0030.08019.03
5.4.300.0030.07719.05
5.4.290.0170.07019.16
5.4.280.0100.04319.04
5.4.270.0100.07319.12
5.4.260.0100.06019.09
5.4.250.0070.07319.20
5.4.240.0000.04319.24
5.4.230.0030.03719.04
5.4.220.0030.05019.20
5.4.210.0000.06719.08
5.4.200.0030.04719.11
5.4.190.0000.03719.02
5.4.180.0030.03719.17
5.4.170.0030.06319.04
5.4.160.0070.03719.12
5.4.150.0030.03719.21
5.4.140.0070.03316.46
5.4.130.0070.03316.45
5.4.120.0030.05016.41
5.4.110.0030.03716.39
5.4.100.0200.03316.41
5.4.90.0030.03716.54
5.4.80.0100.02316.51
5.4.70.0000.03316.43
5.4.60.0000.03316.39
5.4.50.0000.04016.46
5.4.40.0030.03716.35
5.4.30.0000.04016.39
5.4.20.0000.03716.47
5.4.10.0000.04016.24
5.4.00.0000.03715.67
5.3.290.0100.07314.62
5.3.280.0000.04014.65
5.3.270.0070.03714.66
5.3.260.0000.04314.63
5.3.250.0070.05014.70
5.3.240.0030.03014.53
5.3.230.0000.04014.62
5.3.220.0070.07014.63
5.3.210.0000.05314.68
5.3.200.0000.08014.63
5.3.190.0100.03014.56
5.3.180.0000.04014.63
5.3.170.0070.05014.49
5.3.160.0100.06014.50
5.3.150.0030.04314.57
5.3.140.0070.04714.54
5.3.130.0000.04014.56
5.3.120.0070.03714.48
5.3.110.0000.04014.69
5.3.100.0100.03014.10
5.3.90.0030.03714.13
5.3.80.0030.04014.16
5.3.70.0070.07314.04
5.3.60.0030.03713.91
5.3.50.0100.02713.95
5.3.40.0030.03713.94
5.3.30.0000.03313.93
5.3.20.0030.03713.72
5.3.10.0030.03313.75
5.3.00.0000.08013.63
5.2.170.0000.03011.21
5.2.160.0030.04311.15
5.2.150.0030.02711.16
5.2.140.0000.03011.20
5.2.130.0030.04011.09
5.2.120.0000.02711.16
5.2.110.0000.02711.13
5.2.100.0030.03311.00
5.2.90.0000.03311.20
5.2.80.0100.02011.14
5.2.70.0030.06311.21
5.2.60.0000.03011.05
5.2.50.0070.02711.02
5.2.40.0030.02710.89
5.2.30.0030.02311.02
5.2.20.0030.06710.98
5.2.10.0030.05010.78
5.2.00.0000.07010.58
5.1.60.0030.05710.09
5.1.50.0030.05710.08
5.1.40.0030.03310.09
5.1.30.0000.03010.27
5.1.20.0000.03310.48
5.1.10.0030.04710.14
5.1.00.0000.05310.14
5.0.50.0000.0438.65
5.0.40.0030.0438.46
5.0.30.0070.0438.11
5.0.20.0100.0378.27
5.0.10.0030.0438.01
5.0.00.0000.0638.23
4.4.90.0000.0177.26
4.4.80.0000.0207.26
4.4.70.0000.0137.26
4.4.60.0000.0337.26
4.4.50.0000.0337.26
4.4.40.0030.0377.26
4.4.30.0070.0237.26
4.4.20.0100.0307.26
4.4.10.0030.0307.26
4.4.00.0000.0377.26
4.3.110.0000.0277.26
4.3.100.0030.0237.26
4.3.90.0070.0277.26
4.3.80.0130.0477.26
4.3.70.0070.0307.26
4.3.60.0030.0307.26
4.3.50.0000.0307.26
4.3.40.0030.0477.26
4.3.30.0070.0307.26
4.3.20.0030.0307.26
4.3.10.0030.0337.26
4.3.00.0070.0307.26

preferences:
52.76 ms | 401 KiB | 5 Q