3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Json { public function toJSON() { return json_encode(get_object_vars($this)); } } class A extends Json { private $a; function __construct($input = null) { $this->a = $input; } //getter & setter } class B extends Json { private $b; function __construct($input = null) { $this->b = $input; } //getter & setter } $a = (new A("A"))->toJSON(); var_dump($a);

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)
8.5.10.0110.00716.52
8.5.00.0130.00819.84
8.4.150.0030.00014.05
8.4.140.0150.00817.59
8.4.130.0100.00917.58
8.4.120.0110.00820.61
8.4.110.0130.00622.43
8.4.100.0090.00817.64
8.4.90.0040.00518.63
8.4.80.0130.00717.50
8.4.70.0110.00917.75
8.4.60.0060.00518.73
8.4.50.0070.01417.82
8.4.40.0060.00617.50
8.4.30.0080.00017.43
8.4.20.0090.00619.03
8.4.10.0100.00019.33
8.3.280.0130.00918.24
8.3.270.0120.00716.67
8.3.260.0100.01016.52
8.3.250.0110.00918.86
8.3.240.0100.00916.40
8.3.230.0120.00616.61
8.3.220.0090.00419.27
8.3.210.0150.00516.66
8.3.200.0070.00216.61
8.3.190.0110.00717.12
8.3.180.0110.01016.45
8.3.170.0090.00016.41
8.3.160.0120.00618.19
8.3.150.0090.00017.35
8.3.140.0110.00719.29
8.3.130.0030.00718.42
8.3.120.0080.00019.01
8.3.110.0120.00416.50
8.3.100.0060.00324.06
8.3.90.0110.00726.77
8.3.80.0000.00918.31
8.3.70.0180.00316.63
8.3.60.0120.00918.56
8.3.50.0110.00518.06
8.3.40.0070.00718.79
8.3.30.0030.01218.71
8.3.20.0030.00518.98
8.3.10.0060.00323.53
8.3.00.0030.00523.51
8.2.290.0060.00820.62
8.2.280.0040.00820.05
8.2.270.0120.00616.63
8.2.260.0030.00519.30
8.2.250.0060.00316.86
8.2.240.0040.01119.09
8.2.230.0030.00720.94
8.2.220.0100.00037.54
8.2.210.0050.00326.77
8.2.200.0030.00516.38
8.2.190.0120.00316.63
8.2.180.0060.00925.92
8.2.170.0060.00918.71
8.2.160.0030.01022.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00020.61
8.2.120.0050.00326.35
8.2.110.0100.00020.35
8.2.100.0040.00817.59
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0030.00518.04
8.2.60.0000.00817.80
8.2.50.0000.00918.10
8.2.40.0040.00419.35
8.2.30.0040.00420.87
8.2.20.0040.00417.88
8.2.10.0000.00718.06
8.2.00.0030.00619.24
8.1.330.0100.01021.86
8.1.320.0090.00916.13
8.1.310.0080.00016.79
8.1.300.0060.00320.00
8.1.290.0090.00030.84
8.1.280.0120.00625.92
8.1.270.0030.00623.91
8.1.260.0050.00326.35
8.1.250.0100.00328.09
8.1.240.0070.00320.85
8.1.230.0090.00317.77
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0030.00617.21
8.1.190.0090.00317.23
8.1.180.0000.00718.10
8.1.170.0000.00918.79
8.1.160.0020.00518.90
8.1.150.0030.00518.84
8.1.140.0000.00719.02
8.1.130.0030.00318.89
8.1.120.0000.00717.31
8.1.110.0030.00617.41
8.1.100.0070.00017.33
8.1.90.0000.00717.36
8.1.80.0040.00417.40
8.1.70.0040.00417.29
8.1.60.0040.00417.54
8.1.50.0070.00417.55
8.1.40.0000.01017.55
8.1.30.0070.00417.57
8.1.20.0000.00717.49
8.1.10.0000.00817.35
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0080.00016.58
8.0.280.0050.00218.32
8.0.270.0050.00316.70
8.0.260.0030.00317.21
8.0.250.0030.00316.91
8.0.240.0000.00716.94
8.0.230.0030.00316.88
8.0.220.0030.00316.84
8.0.210.0030.00316.82
8.0.200.0060.00016.91
8.0.190.0050.00316.85
8.0.180.0080.00016.89
8.0.170.0000.00916.84
8.0.160.0040.00416.93
8.0.150.0030.00616.75
8.0.140.0000.00716.78
8.0.130.0000.00513.28
8.0.120.0040.00416.83
8.0.110.0040.00416.69
8.0.100.0070.00016.82
8.0.90.0000.00716.79
8.0.80.0060.00916.80
8.0.70.0040.00416.81
8.0.60.0040.00416.72
8.0.50.0070.00016.82
8.0.30.0140.00417.08
8.0.20.0120.00917.40
8.0.10.0040.00416.82
8.0.00.0070.01016.66
7.4.330.0000.00515.55
7.4.320.0030.00316.50
7.4.300.0040.00416.50
7.4.290.0000.00816.50
7.4.280.0040.00416.51
7.4.270.0080.00016.49
7.4.260.0000.00716.50
7.4.250.0000.00716.56
7.4.240.0000.00716.56
7.4.230.0000.00716.50
7.4.220.0000.00716.53
7.4.210.0060.00916.68
7.4.200.0030.00316.61
7.4.160.0070.00816.48
7.4.140.0100.01117.86
7.4.130.0210.00316.41
7.4.120.0060.01316.47
7.4.110.0090.00916.57
7.4.100.0070.01416.30
7.4.90.0040.01516.47
7.4.80.0110.01119.39
7.4.70.0150.00316.37
7.4.60.0030.01316.40
7.4.50.0040.01116.21
7.4.40.0060.01316.47
7.4.00.0070.01014.74
7.3.330.0000.00613.06
7.3.320.0020.00213.20
7.3.310.0030.00316.06
7.3.300.0030.00316.24
7.3.290.0030.00316.29
7.3.280.0060.01116.22
7.3.260.0120.00616.40
7.3.240.0070.01116.35
7.3.230.0030.01416.41
7.3.210.0030.01516.18
7.3.200.0070.01116.40
7.3.190.0170.00616.26
7.3.180.0070.01516.51
7.3.170.0090.00716.43
7.3.160.0130.00616.45
7.3.10.0070.00316.77
7.3.00.0060.00316.59
7.2.330.0000.01816.55
7.2.320.0110.00616.67
7.2.310.0090.00916.63
7.2.300.0030.01316.43
7.2.290.0140.00316.57
7.2.130.0080.00816.83
7.2.120.0030.00716.84
7.2.110.0030.00716.61
7.2.100.0060.00317.02
7.2.90.0060.00316.63
7.2.80.1160.00815.64
7.2.70.0760.00915.70
7.2.60.0640.00715.74
7.2.50.0600.00415.69
7.2.40.0790.00815.68
7.2.30.1070.00515.86
7.2.20.0990.00515.80
7.2.10.0720.00515.71
7.2.00.0510.00815.65
7.1.250.0030.00615.41
7.1.200.0040.00815.84
7.1.190.0690.00913.78
7.1.180.1300.00313.57
7.1.170.1860.01313.64
7.1.160.1780.00313.31
7.1.150.2070.00713.55
7.1.140.1780.02013.78
7.1.130.1290.01013.68
7.1.120.0940.01013.79
7.1.110.1600.01313.80
7.1.100.1350.00713.77
7.1.90.1370.01313.38
7.1.80.1580.00713.27
7.1.70.1600.01413.25
7.1.60.1450.01331.18
7.1.50.2510.01031.78
7.1.40.2250.01931.77
7.1.30.2880.01331.68
7.1.20.3190.00731.69
7.1.10.2460.01313.61
7.1.00.0990.00313.64

preferences:
168.96 ms | 403 KiB | 5 Q