3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ public $a; public function test(){} } $b = new A; echo encode_json($b);

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)
8.3.60.0110.00716.75
8.3.50.0080.01122.04
8.3.40.0070.00718.68
8.3.30.0040.01218.81
8.3.20.0080.00020.20
8.3.10.0060.00321.73
8.3.00.0040.00421.68
8.2.180.0140.00716.62
8.2.170.0070.00722.96
8.2.160.0100.00320.43
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00020.95
8.2.120.0070.00026.35
8.2.110.0030.00621.03
8.2.100.0090.00317.92
8.2.90.0080.00019.09
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0060.00317.92
8.2.50.0030.00518.07
8.2.40.0030.00522.31
8.2.30.0030.00519.39
8.2.20.0040.00417.68
8.2.10.0070.00017.91
8.2.00.0070.00017.89
8.1.280.0120.00625.92
8.1.270.0110.00722.04
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0030.00622.42
8.1.230.0150.00019.09
8.1.220.0070.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0040.00418.52
8.1.160.0000.00720.71
8.1.150.0000.00720.53
8.1.140.0000.00819.48
8.1.130.0070.00017.64
8.1.120.0000.00717.30
8.1.110.0050.00217.39
8.1.100.0040.00417.36
8.1.90.0040.00317.30
8.1.80.0040.00417.42
8.1.70.0030.00317.39
8.1.60.0000.00717.54
8.1.50.0000.00917.46
8.1.40.0000.00717.51
8.1.30.0040.00417.68
8.1.20.0000.00817.67
8.1.10.0070.00017.47
8.1.00.0030.00617.46
8.0.300.0080.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.44
8.0.270.0000.00817.20
8.0.260.0030.00317.06
8.0.250.0030.00616.88
8.0.240.0030.00616.85
8.0.230.0080.00016.84
8.0.220.0030.00316.88
8.0.210.0060.00016.88
8.0.200.0030.00316.86
8.0.190.0040.00416.89
8.0.180.0000.00716.82
8.0.170.0000.00816.82
8.0.160.0080.00016.81
8.0.150.0030.00416.71
8.0.140.0050.00316.74
8.0.130.0000.00513.31
8.0.120.0040.00416.75
8.0.110.0000.00716.75
8.0.100.0040.00416.84
8.0.90.0040.00416.78
8.0.80.0060.00916.85
8.0.70.0000.00716.87
8.0.60.0040.00416.67
8.0.50.0040.00416.82
8.0.30.0060.01116.89
8.0.20.0120.00817.40
8.0.10.0050.00217.01
8.0.00.0090.01016.59
7.4.330.0000.00516.79
7.4.320.0060.00016.49
7.4.300.0050.00216.62
7.4.290.0000.00716.46
7.4.280.0040.00416.51
7.4.270.0000.00716.46
7.4.260.0000.00716.60
7.4.250.0040.00416.46
7.4.240.0000.00716.59
7.4.230.0040.00416.61
7.4.220.0160.00816.68
7.4.210.0110.00416.54
7.4.200.0030.00316.63
7.4.160.0160.00016.48
7.4.150.0150.00917.40
7.4.140.0080.01217.86
7.4.130.0070.00916.51
7.4.120.0050.01516.38
7.4.110.0120.00416.65
7.4.100.0100.01016.36
7.4.90.0110.00816.54
7.4.80.0120.00619.39
7.4.70.0120.00416.59
7.4.60.0100.00716.48
7.4.50.0080.00616.36
7.4.40.0130.00316.23
7.4.30.0140.00716.49
7.4.00.0090.00614.68
7.3.330.0000.00513.23
7.3.320.0070.00013.19
7.3.310.0000.00816.36
7.3.300.0000.00716.28
7.3.290.0040.00416.28
7.3.280.0090.00816.35
7.3.270.0140.00717.40
7.3.260.0040.01516.33
7.3.250.0110.00716.48
7.3.240.0060.01016.45
7.3.230.0080.01316.39
7.3.210.0100.00716.47
7.3.200.0140.00319.39
7.3.190.0070.01316.34
7.3.180.0100.00716.17
7.3.170.0040.01416.59
7.3.160.0000.01716.43
7.2.330.0070.01216.65
7.2.320.0030.01316.50
7.2.310.0000.01716.37
7.2.300.0090.01316.51
7.2.290.0090.01216.73
7.2.60.0040.00416.89
7.2.00.0070.01019.34
7.1.200.0110.00715.60
7.1.100.0090.00918.19
7.1.70.0030.00516.64
7.1.60.0100.01319.40
7.1.50.0100.01016.89
7.1.00.0130.06322.29
7.0.200.0410.01014.50
7.0.60.0130.04720.02
7.0.50.0100.06317.94
7.0.40.0070.08720.10
7.0.30.0330.06720.33
7.0.20.0300.08020.24
7.0.10.0030.09020.30
7.0.00.0000.08720.15
5.6.280.0000.03321.15
5.6.210.0000.04320.48
5.6.200.0030.04018.25
5.6.190.0100.03720.41
5.6.180.0230.05020.64
5.6.170.0300.05320.41
5.6.160.0170.07020.52
5.6.150.0000.05018.16
5.6.140.0030.08018.18
5.6.130.0130.06318.14
5.6.120.0070.03720.99
5.6.110.0030.08721.01
5.6.100.0030.05321.08
5.6.90.0070.08321.00
5.6.80.0070.05320.41
5.5.350.0270.02720.29
5.5.340.0100.07717.94
5.5.330.0070.03720.40
5.5.320.0200.04320.35
5.5.310.0200.03720.26
5.5.300.0130.07317.95
5.5.290.0070.06017.99
5.5.280.0070.08720.68
5.5.270.0130.04320.87
5.5.260.0100.06720.84
5.5.250.0100.06720.66
5.5.240.0170.08020.29

preferences:
42.13 ms | 401 KiB | 5 Q