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 { protected $a; function __construct($input = null) { $this->a = $input; } //getter & setter } class B extends Json { protected $b; function __construct($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)
8.5.10.0100.01016.53
8.5.00.0130.00820.08
8.4.150.0030.00014.05
8.4.140.0090.01117.46
8.4.130.0070.00217.87
8.4.120.0060.00220.71
8.4.110.0150.00522.61
8.4.100.0150.00517.44
8.4.90.0130.00918.75
8.4.80.0100.01019.28
8.4.70.0140.00617.80
8.4.60.0090.01117.83
8.4.50.0100.01218.55
8.4.40.0030.00917.67
8.4.30.0000.00817.61
8.4.20.0130.00319.63
8.4.10.0100.00619.48
8.3.280.0150.00418.38
8.3.270.0090.01016.66
8.3.260.0070.00416.28
8.3.250.0140.00418.84
8.3.240.0110.00716.56
8.3.230.0130.00716.41
8.3.220.0070.00517.06
8.3.210.0090.00616.73
8.3.200.0110.00816.38
8.3.190.0100.00916.73
8.3.180.0080.01216.52
8.3.170.0090.00918.92
8.3.160.0190.00018.22
8.3.150.0110.00717.11
8.3.140.0060.00317.04
8.3.130.0030.00618.62
8.3.120.0120.00819.02
8.3.110.0060.00320.94
8.3.100.0030.00624.06
8.3.90.0060.00326.77
8.3.80.0030.00617.97
8.3.70.0110.00718.20
8.3.60.0190.00318.43
8.3.50.0070.00718.03
8.3.40.0110.00418.71
8.3.30.0120.00318.63
8.3.20.0050.00319.15
8.3.10.0090.00023.53
8.3.00.0040.00423.53
8.2.290.0140.00520.61
8.2.280.0130.00516.73
8.2.270.0090.00917.17
8.2.260.0060.00916.70
8.2.250.0080.00018.23
8.2.240.0000.00818.95
8.2.230.0030.00622.58
8.2.220.0040.00437.54
8.2.210.0030.01026.77
8.2.200.0070.00318.54
8.2.190.0110.00416.58
8.2.180.0120.00916.50
8.2.170.0060.01222.96
8.2.160.0170.00719.02
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0020.00526.16
8.2.120.0040.00419.36
8.2.110.0030.00719.38
8.2.100.0090.00317.59
8.2.90.0090.00019.45
8.2.80.0040.00417.97
8.2.70.0030.00518.04
8.2.60.0000.00817.80
8.2.50.0080.00018.10
8.2.40.0080.00019.30
8.2.30.0000.00920.84
8.2.20.0040.00717.93
8.2.10.0070.00018.00
8.2.00.0080.00219.38
8.1.330.0100.00622.09
8.1.320.0080.01116.19
8.1.310.0140.00318.21
8.1.300.0090.00020.43
8.1.290.0060.00330.84
8.1.280.0140.00725.92
8.1.270.0080.00023.95
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0070.00319.14
8.1.230.0080.00422.63
8.1.220.0040.00417.74
8.1.210.0060.00318.90
8.1.200.0030.00617.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0080.00018.71
8.1.160.0000.00718.68
8.1.150.0080.00018.82
8.1.140.0000.00818.93
8.1.130.0040.00419.02
8.1.120.0050.00217.30
8.1.110.0000.00717.36
8.1.100.0040.00417.44
8.1.90.0040.00417.29
8.1.80.0030.00617.41
8.1.70.0040.00417.46
8.1.60.0040.00417.65
8.1.50.0060.00617.46
8.1.40.0040.00417.57
8.1.30.0000.01217.63
8.1.20.0020.00517.70
8.1.10.0050.00317.44
8.1.00.0040.00417.31
8.0.300.0050.00319.60
8.0.290.0040.00416.63
8.0.280.0030.00318.30
8.0.270.0030.00417.20
8.0.260.0030.00317.17
8.0.250.0000.00816.89
8.0.240.0030.00316.90
8.0.230.0000.00716.79
8.0.220.0040.00416.73
8.0.210.0000.00816.79
8.0.200.0040.00416.92
8.0.190.0030.00616.79
8.0.180.0000.00816.86
8.0.170.0000.00816.79
8.0.160.0000.00716.82
8.0.150.0070.00316.80
8.0.140.0040.00416.79
8.0.130.0000.00513.30
8.0.120.0070.00016.66
8.0.110.0030.00616.84
8.0.100.0050.00216.83
8.0.90.0050.00316.66
8.0.80.0110.00516.78
8.0.70.0080.00016.73
8.0.60.0040.00416.72
8.0.50.0030.00516.80
8.0.30.0100.00817.04
8.0.20.0100.00817.40
8.0.10.0000.00816.91
8.0.00.0070.01016.79
7.4.330.0000.00515.55
7.4.320.0030.00316.57
7.4.300.0000.00716.63
7.4.290.0080.00016.58
7.4.280.0040.00416.61
7.4.270.0050.00216.60
7.4.260.0040.00416.47
7.4.250.0070.00016.48
7.4.240.0040.00416.61
7.4.230.0040.00416.68
7.4.220.0040.00416.61
7.4.210.0100.00516.56
7.4.200.0000.00716.55
7.4.160.0070.00916.49
7.4.140.0090.01017.86
7.4.130.0100.01016.57
7.4.120.0120.00616.50
7.4.110.0030.01316.30
7.4.100.0100.00716.49
7.4.90.0070.01016.45
7.4.80.0070.01219.39
7.4.70.0140.00716.55
7.4.60.0130.00316.37
7.4.50.0040.01116.52
7.4.40.0100.01316.35
7.4.00.0040.01014.87
7.3.330.0030.00213.10
7.3.320.0030.00313.27
7.3.310.0000.00716.30
7.3.300.0000.00716.13
7.3.290.0030.00316.16
7.3.280.0130.00616.23
7.3.260.0080.00816.34
7.3.240.0080.01216.29
7.3.230.0040.01216.19
7.3.210.0090.01216.28
7.3.200.0070.01016.35
7.3.190.0100.00716.19
7.3.180.0040.01216.33
7.3.170.0100.00716.17
7.3.160.0140.00816.36
7.3.120.0060.01214.64
7.3.110.0090.00914.73
7.3.100.0070.00714.69
7.3.90.0000.01314.47
7.3.80.0060.00914.68
7.3.70.0080.00814.43
7.3.60.0150.00614.77
7.3.50.0000.01314.57
7.3.40.0000.00914.82
7.3.30.0000.01114.86
7.3.20.0060.00316.64
7.3.10.0080.00616.61
7.3.00.0030.01016.34
7.2.330.0100.01016.37
7.2.320.0030.01416.60
7.2.310.0110.00816.63
7.2.300.0070.01116.36
7.2.290.0030.01416.70
7.2.250.0150.00415.01
7.2.240.0090.00615.01
7.2.230.0120.00614.88
7.2.220.0000.01614.83
7.2.210.0030.01014.86
7.2.200.0030.01314.71
7.2.190.0100.01014.71
7.2.180.0100.00715.09
7.2.170.0030.01014.99
7.2.130.0050.01016.83
7.2.120.0090.00516.79
7.2.110.0070.00416.73
7.2.100.0070.00716.94
7.2.90.0060.00616.92
7.2.80.0370.01015.89
7.2.70.0680.00816.15
7.2.60.0590.00716.04
7.2.50.0900.00516.00
7.2.40.0590.00616.16
7.2.30.0470.00616.13
7.2.20.0730.00415.92
7.2.10.0620.00616.11
7.2.00.0380.00716.05
7.1.330.0080.00815.88
7.1.320.0060.00615.89
7.1.310.0030.01015.86
7.1.300.0090.00615.67
7.1.290.0040.00415.73
7.1.280.0040.01115.92
7.1.270.0060.00315.86
7.1.260.0000.01616.01
7.1.250.0080.00515.85
7.1.200.0040.00715.84
7.1.190.2020.01713.71
7.1.180.1280.00913.70
7.1.170.1740.00613.38
7.1.160.1900.01313.62
7.1.150.1620.00313.57
7.1.140.1830.01313.91
7.1.130.1150.00713.48
7.1.120.1180.01313.66
7.1.110.1190.01013.64
7.1.100.0960.01613.62
7.1.90.3330.01013.43
7.1.80.1990.00713.72
7.1.70.2290.00613.70
7.1.60.1980.01131.29
7.1.50.2090.00731.71
7.1.40.2300.00331.86
7.1.30.2700.01031.21
7.1.20.3380.01331.81
7.1.10.2620.00313.84
7.1.00.1860.01013.84

preferences:
36.54 ms | 403 KiB | 5 Q