3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new DateTimeZone('UTC'); $a->meow = 'test'; $b = &$a->meow; echo serialize([[$a], $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)
8.3.60.0100.01016.63
8.3.50.0100.01121.97
8.3.40.0110.00319.09
8.3.30.0140.00419.09
8.3.20.0040.00420.15
8.3.10.0080.00021.75
8.3.00.0080.00019.14
8.2.180.0160.00618.63
8.2.170.0170.00322.96
8.2.160.0060.00922.12
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.71
8.2.110.0060.00320.52
8.2.100.0090.00319.64
8.2.90.0040.00418.03
8.2.80.0000.00920.27
8.2.70.0080.00017.79
8.2.60.0000.00817.93
8.2.50.0000.01418.10
8.2.40.0040.00420.59
8.2.30.0110.00019.49
8.2.20.0000.00717.79
8.2.10.0000.00717.94
8.2.00.0040.00417.67
8.1.280.0070.00725.92
8.1.270.0060.00318.72
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.93
8.1.230.0110.00020.97
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0000.00919.04
8.1.180.0060.00318.10
8.1.170.0080.00018.77
8.1.160.0070.00022.11
8.1.150.0040.00418.74
8.1.140.0060.00319.27
8.1.130.0000.00717.82
8.1.120.0030.00317.44
8.1.110.0000.00817.53
8.1.100.0040.00417.42
8.1.90.0000.00817.48
8.1.80.0000.00717.40
8.1.70.0070.00017.50
8.1.60.0050.00517.58
8.1.50.0050.00317.48
8.1.40.0030.00617.52
8.1.30.0040.00417.63
8.1.20.0000.00817.64
8.1.10.0000.00717.43
8.1.00.0000.00917.52
8.0.300.0070.00019.98
8.0.290.0030.00516.88
8.0.280.0030.00318.32
8.0.270.0070.00017.31
8.0.260.0060.00017.30
8.0.250.0030.00317.03
8.0.240.0040.00416.93
8.0.230.0040.00416.99
8.0.220.0030.00316.88
8.0.210.0070.00016.95
8.0.200.0030.00317.04
8.0.190.0000.00816.91
8.0.180.0070.00016.97
8.0.170.0030.00617.02
8.0.160.0000.00816.86
8.0.150.0060.00616.95
8.0.140.0080.00416.91
8.0.130.0030.00313.40
8.0.120.0040.00416.85
8.0.110.0000.00716.82
8.0.100.0030.00516.89
8.0.90.0040.00416.89
8.0.80.0130.00316.88
8.0.70.0000.00817.00
8.0.60.0000.00716.94
8.0.50.0040.00416.81
8.0.30.0140.01117.16
8.0.20.0100.01517.40
8.0.10.0040.00417.19
8.0.00.0100.00816.85
7.4.330.0000.00515.03
7.4.320.0050.00216.61
7.4.300.0040.00416.57
7.4.290.0030.00316.52
7.4.280.0000.00716.47
7.4.270.0000.00716.47
7.4.260.0040.00416.55
7.4.250.0050.00316.48
7.4.240.0030.00416.53
7.4.230.0030.00316.57
7.4.220.0070.01216.67
7.4.210.0100.01316.61
7.4.200.0030.00316.58
7.4.160.0040.01216.63
7.4.150.0100.00717.40
7.4.140.0070.01117.86
7.4.130.0060.01216.53
7.4.120.0110.00816.52
7.4.110.0100.01016.65
7.4.100.0130.01016.66
7.4.90.0030.01416.66
7.4.80.0100.00719.39
7.4.70.0070.01616.57
7.4.60.0130.00316.45
7.4.50.0030.00316.46
7.4.40.0040.01116.75
7.4.30.0100.01016.31
7.4.00.0060.00914.96
7.3.330.0070.00013.37
7.3.320.0030.00313.23
7.3.310.0070.00016.44
7.3.300.0030.00316.40
7.3.290.0060.00816.41
7.3.280.0100.00916.38
7.3.270.0030.01417.40
7.3.260.0070.01016.45
7.3.250.0120.00816.53
7.3.240.0110.00816.51
7.3.230.0080.01116.39
7.3.210.0070.01116.15
7.3.200.0070.01019.39
7.3.190.0060.00916.41
7.3.180.0100.01016.36
7.3.170.0090.00916.43
7.3.160.0120.00916.40
7.3.120.0000.01114.64
7.3.110.0000.00914.81
7.3.100.0030.01014.67
7.3.90.0030.00815.07
7.3.80.0060.00915.11
7.3.70.0110.00314.96
7.3.60.0120.00314.71
7.3.50.0140.00014.97
7.3.40.0000.01214.93
7.3.30.0060.00614.90
7.3.20.0070.00716.70
7.3.10.0000.01516.88
7.3.00.0000.01416.68
7.2.330.0090.00916.88
7.2.320.0090.01216.82
7.2.310.0120.00416.61
7.2.300.0090.00916.42
7.2.290.0070.01016.79
7.2.240.0030.00614.85
7.2.230.0030.00914.64
7.2.220.0060.00615.31
7.2.210.0060.00815.39
7.2.200.0060.00314.98
7.2.190.0000.01415.12
7.2.180.0120.00614.95
7.2.170.0060.00915.08
7.2.160.0120.00314.98
7.2.150.0030.00917.16
7.2.140.0060.01217.11
7.2.130.0030.00717.02
7.2.120.0040.01416.98
7.2.110.0040.01117.13
7.2.100.0090.00616.85
7.2.90.0120.00417.02
7.2.80.0090.00317.12
7.2.70.0080.00417.02
7.2.60.0110.00417.13
7.2.50.0130.00316.92
7.2.40.0150.00316.63
7.2.30.0060.01017.00
7.2.20.0040.00817.00
7.2.10.0100.00617.09
7.2.00.0050.00818.17
7.1.330.0090.00315.62
7.1.320.0030.00915.69
7.1.310.0030.01015.87
7.1.300.0070.00715.63
7.1.290.0000.01515.72
7.1.280.0000.01415.43
7.1.270.0000.01515.88
7.1.260.0120.00015.53
7.1.250.0070.00716.02
7.1.100.0000.00818.15
7.1.70.0090.00017.09
7.1.60.0100.01419.46
7.1.50.0070.01016.93
7.1.00.0100.07022.51
7.0.200.0000.00717.03
7.0.140.0070.06722.15
7.0.60.0100.03319.96
7.0.50.0000.05017.77
7.0.40.0070.04020.04
7.0.30.0230.08320.04
7.0.20.0230.07320.00
7.0.10.0070.06020.16
7.0.00.0100.08020.13
5.6.280.0030.07321.11
5.6.210.0000.04320.47
5.6.200.0030.08718.15
5.6.190.0070.04020.77
5.6.180.0400.06720.35
5.6.170.0170.07020.45
5.6.160.0070.08320.50
5.6.150.0100.05318.18
5.6.140.0030.05718.17
5.6.130.0130.07718.19
5.6.120.0030.05021.00
5.6.110.0100.07320.96
5.6.100.0200.07021.10
5.6.90.0070.07720.96
5.6.80.0100.07720.37
5.5.350.0270.07720.46
5.5.340.0030.04717.89
5.5.330.0100.08020.38
5.5.320.0230.04320.23
5.5.310.0330.05020.21
5.5.300.0100.08017.88
5.5.290.0070.08017.96
5.5.280.0130.07720.87
5.5.270.0030.09020.78
5.5.260.0070.06720.86
5.5.250.0070.05320.57
5.5.240.0100.06320.07
5.4.450.0870.06319.55
5.4.440.0730.06719.57
5.4.430.0070.06019.12
5.4.420.0630.06319.41
5.4.410.0900.06019.44
5.4.400.0630.05719.09
5.4.390.0170.06318.47
5.4.380.0200.05718.46
5.4.370.0330.04718.72
5.4.360.0230.06718.64
5.4.350.0270.05318.50
5.4.340.0200.05318.69
5.4.320.0170.06018.71
5.4.310.0200.06018.43
5.4.300.0130.06318.61
5.4.290.0200.07318.61
5.4.280.0230.05318.67
5.4.270.0230.05718.70
5.4.260.0230.06018.48
5.4.250.0200.05318.51
5.4.240.0170.06018.49
5.4.230.0130.06018.68
5.4.220.0200.06018.75
5.4.210.0330.05318.59
5.4.200.0200.05016.38
5.4.190.0130.06018.64
5.4.180.0170.07718.70
5.4.170.0130.06018.70
5.4.160.0200.05018.54
5.4.150.0130.06718.47
5.4.140.0200.05016.31
5.4.130.0200.05316.13
5.4.120.0100.07016.35
5.4.110.0270.04716.27
5.4.100.0200.05316.25
5.4.90.0300.04016.22
5.4.80.0400.05016.17
5.4.70.0400.05316.06
5.4.60.0200.05016.05
5.4.50.0230.05316.25
5.4.40.0170.05316.11
5.4.30.0170.05716.01
5.4.20.0200.05716.19
5.4.10.0230.04316.22
5.4.00.0100.06015.76
5.3.290.0300.05314.69
5.3.280.0130.06014.56
5.3.270.0230.06714.68
5.3.260.0130.05714.59
5.3.250.0170.06314.64
5.3.240.0200.06014.68
5.3.230.0270.05014.51
5.3.220.0200.05314.50
5.3.210.0100.06314.57
5.3.200.0170.05714.57
5.3.190.0270.04714.67
5.3.180.0270.04714.66
5.3.170.0130.05714.64
5.3.160.0200.04714.55
5.3.150.0230.07314.51
5.3.140.0200.07014.45
5.3.130.0130.06314.53
5.3.120.0130.06314.62
5.3.110.0230.05014.53
5.3.100.0170.05713.96
5.3.90.0030.06314.00
5.3.80.0030.05714.00
5.3.70.0100.05714.00
5.3.60.0300.05013.95
5.3.50.0230.04713.89
5.3.40.0100.06313.94
5.3.30.0100.06713.80
5.3.20.0100.06313.78
5.3.10.0170.07013.53
5.3.00.0130.05313.66
5.2.170.0130.05711.12
5.2.160.0100.04711.09
5.2.150.0200.05311.29
5.2.140.0130.04711.09
5.2.130.0130.05011.25
5.2.120.0130.05311.24
5.2.110.0070.05311.06
5.2.100.0230.03311.03
5.2.90.0300.04311.01
5.2.80.0030.05311.07
5.2.70.0200.04011.02
5.2.60.0100.04711.02
5.2.50.0200.04011.06
5.2.40.0200.05011.03
5.2.30.0170.04010.98
5.2.20.0230.04710.96
5.2.10.0100.05010.84
5.2.00.0100.05310.86
5.1.60.0100.0379.95
5.1.50.0200.0339.95
5.1.40.0070.0379.99
5.1.30.0230.03010.36
5.1.20.0200.03010.42
5.1.10.0130.04310.16
5.1.00.0070.04310.04
5.0.50.0130.0278.64
5.0.40.0100.0378.43
5.0.30.0130.0478.25
5.0.20.0100.0278.18
5.0.10.0000.0378.25
5.0.00.0070.0508.18
4.4.90.0030.0275.95
4.4.80.0100.0275.90
4.4.70.0130.0175.86
4.4.60.0030.0305.88
4.4.50.0030.0275.87
4.4.40.0070.0375.88
4.4.30.0000.0275.88
4.4.20.0100.0205.88
4.4.10.0100.0175.88
4.4.00.0070.0375.95
4.3.110.0070.0205.86
4.3.100.0030.0235.80
4.3.90.0130.0135.87
4.3.80.0030.0405.77
4.3.70.0030.0235.77
4.3.60.0130.0135.88
4.3.50.0130.0305.81
4.3.40.0170.0375.80
4.3.30.0030.0234.63
4.3.20.0030.0234.63
4.3.10.0070.0274.63
4.3.00.0130.0206.97

preferences:
33.77 ms | 401 KiB | 5 Q