3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test implements \JsonSerializable { private $test; public function __construct(int $test) { $this->test = $test; } public function getTest(): int { return $this->test; } public function jsonSerialize(): array { $clone = new \stdClass; $clone->test = $this->getTest(); return (array) $clone; } } $testClass = new Test(1); $stdClass = new \stdClass; $stdClass->test = 1; $testClassEncode = json_encode($testClass); $stdClassEncode = json_encode((array) $stdClass); var_dump($testClassEncode, $stdClassEncode);

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)
8.5.30.0090.00921.33
8.5.20.0080.01019.63
8.5.10.0100.01116.70
8.5.00.0140.00819.54
8.4.180.0120.01022.00
8.4.170.0180.00720.57
8.4.160.0130.00823.05
8.4.150.0050.00616.89
8.4.140.0090.01417.55
8.4.130.0090.01217.58
8.4.120.0120.00922.42
8.4.110.0080.01122.39
8.4.100.0100.00517.46
8.4.90.0080.00117.79
8.4.80.0140.00517.97
8.4.70.0110.01017.93
8.4.60.0100.01118.90
8.4.50.0130.00820.29
8.4.40.0130.00719.55
8.4.30.0100.01019.38
8.4.20.0090.00620.43
8.4.10.0130.00717.63
8.3.300.0090.01120.76
8.3.290.0120.01220.72
8.3.280.0050.00418.38
8.3.270.0130.00616.42
8.3.260.0120.00816.49
8.3.250.0120.00719.21
8.3.240.0090.00817.43
8.3.230.0120.00816.45
8.3.220.0130.00517.38
8.3.210.0110.00718.75
8.3.200.0040.00516.78
8.3.190.0130.00617.25
8.3.180.0060.00316.73
8.3.170.0090.00917.32
8.3.160.0040.01516.63
8.3.150.0040.01118.41
8.3.140.0040.00419.09
8.3.130.0040.01118.45
8.3.120.0040.00418.86
8.3.110.0080.00020.94
8.3.100.0070.00324.06
8.3.90.0030.00526.77
8.3.80.0060.00318.36
8.3.70.0100.01016.63
8.3.60.0130.01018.43
8.3.50.0110.00417.33
8.3.40.0110.00718.78
8.3.30.0030.01218.53
8.3.20.0050.00318.73
8.3.10.0040.00423.46
8.3.00.0030.00522.58
8.2.300.0060.00418.16
8.2.290.0100.00520.67
8.2.280.0100.00920.02
8.2.270.0100.01017.17
8.2.260.0040.01116.67
8.2.250.0000.00818.39
8.2.240.0110.00717.22
8.2.230.0030.00522.58
8.2.220.0080.00037.54
8.2.210.0080.00026.77
8.2.200.0000.00916.38
8.2.190.0040.01116.58
8.2.180.0180.00018.41
8.2.170.0030.01222.96
8.2.160.0070.00719.33
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00418.16
8.2.120.0020.00526.35
8.2.110.0050.00522.11
8.2.100.0030.00917.72
8.2.90.0030.00518.21
8.2.80.0030.00617.97
8.2.70.0040.00818.16
8.2.60.0030.00518.22
8.2.50.0000.00818.10
8.2.40.0030.00519.41
8.2.30.0090.00019.18
8.2.20.0000.00818.10
8.2.10.0040.00418.04
8.2.00.0060.00317.60
8.1.340.0100.01217.61
8.1.330.0110.00821.77
8.1.320.0120.00715.93
8.1.310.0030.01718.05
8.1.300.0150.00417.79
8.1.290.0050.00518.88
8.1.280.0140.00725.92
8.1.270.0040.00419.06
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00723.86
8.1.230.0000.01120.89
8.1.220.0030.00517.74
8.1.210.0040.00418.95
8.1.200.0000.00817.48
8.1.190.0030.00517.10
8.1.180.0090.00018.10
8.1.170.0000.00818.53
8.1.160.0080.00018.74
8.1.150.0040.00418.81
8.1.140.0040.00422.13
8.1.130.0040.00420.13
8.1.120.0000.00717.48
8.1.110.0000.00717.48
8.1.100.0040.00417.47
8.1.90.0030.00617.49
8.1.80.0000.00717.50
8.1.70.0000.00717.39
8.1.60.0080.00017.45
8.1.50.0030.00617.49
8.1.40.0040.00417.57
8.1.30.0000.00817.63
8.1.20.0030.00617.59
8.1.10.0000.00917.48
8.1.00.0000.00717.46
8.0.300.0040.00420.01
8.0.290.0070.00016.62
8.0.280.0000.00718.46
8.0.270.0070.00017.17
8.0.260.0000.00720.19
8.0.250.0000.00716.96
8.0.240.0030.00616.95
8.0.230.0030.00316.92
8.0.220.0060.00316.73
8.0.210.0030.00316.88
8.0.200.0030.00316.98
8.0.190.0080.00016.94
8.0.180.0070.00316.83
8.0.170.0090.00016.78
8.0.160.0000.00916.93
8.0.150.0040.00416.84
8.0.140.0000.00716.84
8.0.130.0000.00613.40
8.0.120.0030.00516.91
8.0.110.0040.00416.92
8.0.100.0000.00717.00
8.0.90.0040.00416.89
8.0.80.0070.01016.95
8.0.70.0040.00416.82
8.0.60.0000.00716.93
8.0.50.0040.00416.83
8.0.30.0100.00817.02
8.0.20.0110.00817.40
8.0.10.0040.00416.87
8.0.00.0130.01017.00
7.4.330.0000.00515.55
7.4.320.0070.00016.44
7.4.300.0060.00016.41
7.4.290.0070.00016.61
7.4.280.0040.00316.46
7.4.270.0070.00016.59
7.4.260.0070.00016.63
7.4.250.0030.00316.54
7.4.240.0030.00316.52
7.4.230.0000.00716.40
7.4.220.0000.00716.63
7.4.210.0100.00816.56
7.4.200.0040.00416.50
7.4.160.0110.00916.49
7.4.140.0070.00917.86
7.4.130.0120.00616.35
7.4.120.0110.00816.49
7.4.110.0090.01416.59
7.4.100.0110.00516.48
7.4.90.0150.00316.39
7.4.80.0100.00919.39
7.4.70.0090.00916.50
7.4.60.0060.01016.35
7.4.50.0070.01116.56
7.4.40.0090.00916.51
7.4.00.0070.00715.02
7.3.330.0000.00613.29
7.3.320.0030.00313.37
7.3.310.0060.00016.30
7.3.300.0030.00316.18
7.3.290.0030.00316.16
7.3.280.0050.01016.29
7.3.260.0100.00916.39
7.3.240.0090.00916.35
7.3.230.0170.00016.32
7.3.210.0030.01516.25
7.3.200.0130.01016.43
7.3.190.0160.00016.38
7.3.180.0150.00816.29
7.3.170.0120.00916.34
7.3.160.0100.00716.48
7.2.330.0170.00016.45
7.2.320.0070.01716.69
7.2.310.0060.01116.82
7.2.300.0000.01716.63
7.2.290.0110.00716.47
7.2.110.0120.00414.61
7.2.100.1850.01214.70
7.2.90.0130.00314.72
7.2.80.0120.00614.75
7.2.70.2170.00915.37
7.2.60.0730.00015.18
7.2.50.0100.01014.96
7.2.40.0040.01615.02
7.2.30.0910.01015.18
7.2.20.0150.00515.06
7.2.10.0450.00614.98
7.2.00.0160.00015.11
7.1.230.0610.00613.88
7.1.220.1210.01413.53
7.1.210.2740.00313.83
7.1.200.0120.00913.93
7.1.190.1150.00313.97
7.1.180.0210.00013.80
7.1.170.0110.00413.88
7.1.160.0140.00613.77
7.1.150.0420.01013.83
7.1.140.0140.00313.93
7.1.130.0160.00314.04
7.1.120.0100.00513.92
7.1.110.0160.00314.00
7.1.100.0820.01014.02
7.1.90.0530.01013.96
7.1.80.0820.01013.86
7.1.70.0490.00713.71
7.1.60.0480.01231.73
7.1.50.0330.00731.82
7.1.40.0660.00731.76
7.1.30.0400.00331.65
7.1.20.1080.01431.80
7.1.10.6280.01613.78
7.1.00.0290.00413.79
5.6.380.0070.01014.11

preferences:
88.81 ms | 1449 KiB | 5 Q