3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements \JsonSerializable { public function jsonSerialize() { return new self; } }

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)
8.3.60.0080.01116.86
8.3.50.0110.00416.24
8.3.40.0120.00618.59
8.3.30.0110.00418.63
8.3.20.0040.00420.13
8.3.10.0020.00520.22
8.3.00.0040.00423.66
8.2.180.0150.00618.41
8.2.170.0000.01422.96
8.2.160.0040.01119.07
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.64
8.2.110.0050.00521.03
8.2.100.0070.00717.59
8.2.90.0060.00319.27
8.2.80.0030.00717.97
8.2.70.0040.00417.63
8.2.60.0050.00317.80
8.2.50.0040.00418.10
8.2.40.0000.00720.59
8.2.30.0050.00219.21
8.2.20.0040.00417.99
8.2.10.0000.00717.86
8.2.00.0040.00417.89
8.1.280.0060.00925.92
8.1.270.0040.00418.47
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0050.00522.14
8.1.230.0110.00020.38
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.00
8.1.190.0120.00017.13
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0050.00318.72
8.1.150.0040.00420.03
8.1.140.0070.00019.39
8.1.130.0000.00818.74
8.1.120.0070.00017.40
8.1.110.0130.00017.27
8.1.100.0060.00317.39
8.1.90.0070.00017.29
8.1.80.0050.00217.38
8.1.70.0000.00717.40
8.1.60.0040.00417.41
8.1.50.0040.00417.36
8.1.40.0040.00417.47
8.1.30.0000.00817.60
8.1.20.0080.00017.64
8.1.10.0000.00717.35
8.1.00.0040.00417.29
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.38
8.0.270.0000.00917.19
8.0.260.0060.00320.05
8.0.250.0070.00016.85
8.0.240.0060.00316.86
8.0.230.0030.00316.77
8.0.220.0070.00016.83
8.0.210.0000.00716.83
8.0.200.0060.00316.83
8.0.190.0040.00416.85
8.0.180.0030.00616.81
8.0.170.0030.00316.82
8.0.160.0030.00416.86
8.0.150.0000.00716.84
8.0.140.0000.00816.78
8.0.130.0000.00713.22
8.0.120.0040.00416.78
8.0.110.0040.00416.79
8.0.100.0040.00416.88
8.0.90.0000.00716.78
8.0.80.0070.00716.84
8.0.70.0000.00716.80
8.0.60.0040.00416.81
8.0.50.0000.00716.79
8.0.30.0080.01016.95
8.0.20.0140.00617.40
8.0.10.0040.00416.90
8.0.00.0070.01416.78
7.4.330.0000.00415.55
7.4.320.0000.00716.54
7.4.300.0040.00416.44
7.4.290.0030.00316.47
7.4.280.0040.00416.56
7.4.270.0040.00416.53
7.4.260.0000.00716.32
7.4.250.0000.00716.42
7.4.240.0080.00016.58
7.4.230.0000.00716.40
7.4.220.0090.00916.54
7.4.210.0080.00616.35
7.4.200.0030.00316.30
7.4.150.0070.01017.40
7.4.140.0130.00617.86
7.4.130.0070.01116.32
7.4.120.0110.00816.40
7.4.110.0070.01016.40
7.4.100.0060.00916.40
7.4.90.0060.01016.50
7.4.80.0060.01219.39
7.4.70.0130.00316.58
7.4.60.0070.01416.41
7.4.50.0030.01316.27
7.4.40.0040.01816.29
7.4.30.0060.01216.50
7.4.00.0100.00414.62
7.3.330.0050.00013.16
7.3.320.0030.00313.02
7.3.310.0070.00016.06
7.3.300.0000.00716.04
7.3.290.0080.00016.07
7.3.280.0070.01016.13
7.3.270.0050.01117.40
7.3.260.0090.00916.34
7.3.250.0090.00916.27
7.3.240.0090.00816.36
7.3.230.0040.01216.27
7.3.210.0060.01016.16
7.3.200.0090.00616.57
7.3.190.0110.00616.18
7.3.180.0090.00916.57
7.3.170.0070.01016.29
7.3.160.0060.00916.33
7.3.120.0070.01014.93
7.3.110.0060.01014.51
7.3.100.0000.01514.86
7.3.90.0060.00914.61
7.3.80.0080.00414.87
7.3.70.0090.00314.80
7.3.60.0110.00414.55
7.3.50.0040.01114.55
7.3.40.0110.00414.34
7.3.30.0070.00714.64
7.3.20.0060.00616.62
7.3.10.0050.00916.59
7.3.00.0100.00316.69
7.2.330.0060.01016.34
7.2.320.0100.01016.64
7.2.310.0070.01016.49
7.2.300.0110.00716.23
7.2.290.0030.01416.56
7.2.250.0100.00715.08
7.2.240.0040.01514.89
7.2.230.0030.01314.94
7.2.220.0080.00315.10
7.2.210.0030.00914.95
7.2.200.0070.00714.86
7.2.190.0030.00914.83
7.2.180.0000.01014.66
7.2.170.0130.00314.81
7.2.130.0040.00416.95
7.2.120.0070.00316.84
7.2.110.0040.00716.75
7.2.100.0030.01016.68
7.2.90.0000.01217.02
7.2.80.0040.00416.57
7.2.70.0060.00316.61
7.2.60.0030.00916.70
7.2.50.0040.00816.89
7.2.40.0030.01216.73
7.2.30.0060.00616.48
7.2.20.0000.01216.95
7.2.10.0060.00616.97
7.2.00.0100.00316.81
7.1.330.0030.01015.34
7.1.320.0030.01015.77
7.1.310.0040.01115.29
7.1.300.0060.00615.30
7.1.290.0070.00715.50
7.1.280.0070.00715.55
7.1.270.0030.01015.88
7.1.260.0080.00815.84
7.1.250.0030.01015.66
7.1.240.0100.00615.48
7.1.230.0030.00715.72
7.1.220.0000.00715.77
7.1.210.0000.00715.46
7.1.200.0060.00515.72
7.1.190.0050.00215.29
7.1.180.0060.00615.45
7.1.170.0030.00615.71
7.1.160.0030.00915.55
7.1.150.0040.00415.43
7.1.140.0030.00915.61
7.1.130.0040.00415.52
7.1.120.0030.00315.41
7.1.110.0030.01215.87
7.1.100.0090.00315.73
7.1.90.0150.00816.56
7.1.80.0180.00816.65
7.1.70.0220.00716.11
7.1.60.0320.01027.97
7.1.50.0270.00827.63
7.1.40.0280.01027.40
7.1.30.0480.00927.54
7.1.20.0390.01127.63
7.1.10.0550.00915.61
7.1.00.0210.00715.66
7.0.330.0000.00715.37
7.0.320.0070.00315.00
7.0.310.0030.01015.13
7.0.300.0110.00015.26
7.0.290.0030.00515.01
7.0.280.0030.00615.17
7.0.270.0120.00315.27
7.0.260.0070.00715.19
7.0.250.0130.00015.14
7.0.240.0040.01215.21
7.0.230.0160.00816.22
7.0.220.0160.00716.20
7.0.210.0160.00915.58
7.0.200.0240.00715.56
7.0.190.0270.00715.46
7.0.180.0160.01015.15
7.0.170.0460.00715.29
7.0.160.0490.00715.09
7.0.150.0180.00915.28
7.0.140.0220.00615.33
7.0.130.0200.01015.40
7.0.120.0180.00815.41
7.0.110.0200.00715.48
7.0.100.0200.00815.33
7.0.90.0200.00815.29
7.0.80.0190.00915.19
7.0.70.0280.00915.42
7.0.60.0220.00615.24
7.0.50.0290.01115.35
7.0.40.0240.00714.81
7.0.30.0250.00414.75
7.0.20.0230.00614.60
7.0.10.0310.01014.77
7.0.00.0200.01014.73
5.6.380.0000.01314.14

preferences:
51.34 ms | 401 KiB | 5 Q