3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { var $prop; } $x = new A; var_dump( is_null( $x->prop ) );

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)
8.3.40.0110.00418.46
8.3.30.0100.00720.34
8.3.20.0050.00220.16
8.3.10.0050.00322.09
8.3.00.0040.00422.58
8.2.170.0110.00422.96
8.2.160.0070.00722.11
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.75
8.2.110.0040.00419.52
8.2.100.0090.00317.59
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0060.00617.80
8.2.50.0040.00418.07
8.2.40.0040.00418.15
8.2.30.0070.00019.44
8.2.20.0070.00017.41
8.2.10.0040.00417.64
8.2.00.0060.00317.63
8.1.270.0000.00923.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01022.37
8.1.230.0060.00621.10
8.1.220.0040.00418.77
8.1.210.0000.00819.01
8.1.200.0000.00917.10
8.1.190.0090.00017.52
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0000.00818.83
8.1.150.0040.00418.50
8.1.140.0040.00417.45
8.1.130.0000.00717.70
8.1.120.0030.00517.39
8.1.110.0050.00317.37
8.1.100.0000.00717.29
8.1.90.0040.00417.33
8.1.80.0050.00217.36
8.1.70.0080.00017.34
8.1.60.0060.00317.42
8.1.50.0040.00417.45
8.1.40.0040.00817.50
8.1.30.0070.00017.59
8.1.20.0000.00817.62
8.1.10.0020.00517.53
8.1.00.0000.00717.45
8.0.300.0000.00719.79
8.0.290.0000.00717.05
8.0.280.0030.00318.45
8.0.270.0000.00717.12
8.0.260.0030.00316.68
8.0.250.0030.00316.75
8.0.240.0000.00816.79
8.0.230.0000.00716.80
8.0.220.0030.00516.77
8.0.210.0040.00416.71
8.0.200.0030.00316.78
8.0.190.0040.00416.95
8.0.180.0050.00316.84
8.0.170.0080.00016.78
8.0.160.0040.00416.69
8.0.150.0050.00216.85
8.0.140.0070.00316.81
8.0.130.0050.00013.19
8.0.120.0070.00316.69
8.0.110.0040.00416.79
8.0.100.0000.00716.79
8.0.90.0000.00716.66
8.0.80.0090.00616.86
8.0.70.0050.00316.79
8.0.60.0040.00416.93
8.0.50.0040.00416.62
8.0.30.0120.00917.06
8.0.20.0110.00717.40
8.0.10.0050.00216.78
8.0.00.0120.01016.69
7.4.330.0050.00016.67
7.4.320.0030.00316.42
7.4.300.0030.00316.39
7.4.290.0040.00416.41
7.4.280.0030.00316.38
7.4.270.0000.00916.36
7.4.260.0040.00413.11
7.4.250.0040.00416.55
7.4.240.0050.00216.46
7.4.230.0030.00316.29
7.4.220.0070.01116.34
7.4.210.0060.00916.51
7.4.200.0030.00316.54
7.4.190.0000.00716.53
7.4.160.0080.00816.56
7.4.150.0120.00617.40
7.4.140.0060.01117.86
7.4.130.0080.00916.41
7.4.120.0090.00916.50
7.4.110.0100.00716.45
7.4.100.0090.00916.47
7.4.90.0060.00916.41
7.4.80.0160.00419.39
7.4.70.0120.00916.31
7.4.60.0140.00316.52
7.4.50.0080.00016.43
7.4.40.0000.01422.77
7.4.30.0100.01316.40
7.4.00.0100.00914.78
7.3.330.0040.00413.01
7.3.320.0030.00313.13
7.3.310.0070.00016.20
7.3.300.0060.00016.09
7.3.290.0030.01016.14
7.3.280.0090.00816.19
7.3.270.0070.01117.40
7.3.260.0030.01416.15
7.3.250.0070.01116.22
7.3.240.0000.01616.27
7.3.230.0120.00616.39
7.3.210.0060.01216.38
7.3.200.0150.00319.39
7.3.190.0090.01216.33
7.3.180.0060.01016.03
7.3.170.0090.00616.27
7.3.160.0100.00716.32
7.3.120.0080.00714.69
7.3.110.0090.00714.71
7.3.100.0110.00514.72
7.3.90.0050.00514.77
7.3.80.0040.00814.65
7.3.70.0070.00814.75
7.3.60.0040.00914.63
7.3.50.0050.00814.72
7.3.40.0050.00814.63
7.3.30.0080.00414.72
7.3.20.0070.00616.50
7.3.10.0050.00716.38
7.3.00.0040.01016.53
7.2.330.0150.01216.44
7.2.320.0060.01116.36
7.2.310.0100.01316.45
7.2.300.0070.01016.38
7.2.290.0110.00616.30
7.2.250.0070.01114.80
7.2.240.0070.01214.90
7.2.230.0060.00814.92
7.2.220.0070.00414.89
7.2.210.0050.00815.02
7.2.200.0070.00514.93
7.2.190.0070.00814.93
7.2.180.0070.00714.92
7.2.170.0060.00614.81
7.2.60.0100.00316.89
7.2.00.0070.00319.25
7.1.330.0080.00715.62
7.1.320.0050.00815.75
7.1.310.0040.01015.67
7.1.300.0040.00715.65
7.1.290.0090.00215.79
7.1.280.0070.00615.80
7.1.270.0040.00915.78
7.1.260.0070.00515.65
7.1.200.0080.00415.75
7.1.100.0070.01018.14
7.1.70.0050.00317.16
7.1.60.0100.01419.17
7.1.50.0030.00917.02
7.1.00.0000.06022.44
7.0.200.0040.00416.87
7.0.140.0100.06322.09
7.0.100.0170.03719.95
7.0.90.0270.04720.02
7.0.80.0030.08019.98
7.0.70.0100.08019.85
7.0.60.0070.07719.74
7.0.50.0170.03720.26
7.0.40.0170.07020.14
7.0.30.0030.05320.14
7.0.20.0070.05020.09
7.0.10.0070.06020.07
7.0.00.0000.07020.17
5.6.280.0030.07321.13
5.6.250.0100.05020.49
5.6.240.0130.07720.59
5.6.230.0000.06020.63
5.6.220.0070.05020.66
5.6.210.0130.07720.59
5.6.200.0100.08321.09
5.6.190.0230.06720.95
5.6.180.0100.06720.94
5.6.170.0070.07721.17
5.6.160.0170.04020.94
5.6.150.0100.07321.10
5.6.140.0030.04721.02
5.6.130.0100.07021.10
5.6.120.0130.04721.07
5.6.110.0030.07320.94
5.6.100.0100.08720.99
5.6.90.0070.07320.98
5.6.80.0100.06720.44
5.6.70.0100.07720.38
5.6.60.0130.07020.46
5.6.50.0230.06720.40
5.6.40.0070.07720.38
5.6.30.0230.06020.42
5.6.20.0070.08320.43
5.6.10.0200.06320.46
5.6.00.0070.05720.30
5.5.380.0170.07320.35
5.5.370.0130.07020.51
5.5.360.0100.07020.36
5.5.350.0070.05020.38
5.5.340.0030.07720.79
5.5.330.0000.07320.90
5.5.320.0100.04320.75
5.5.310.0070.04020.86
5.5.300.0100.07020.83
5.5.290.0030.06720.81
5.5.280.0070.04720.91
5.5.270.0200.05720.62
5.5.260.0070.04720.88
5.5.250.0070.07720.55
5.5.240.0000.08020.27
5.5.230.0030.09320.23
5.5.220.0030.05020.26
5.5.210.0070.03720.30
5.5.200.0200.06720.27
5.5.190.0130.08320.24
5.5.180.0070.08320.17
5.5.160.0100.07720.20
5.5.150.0230.06020.15
5.5.140.0170.08319.98
5.5.130.0100.06720.25
5.5.120.0070.06720.17
5.5.110.0130.07320.25
5.5.100.0170.06319.98
5.5.90.0030.04720.16
5.5.80.0100.04320.06
5.5.70.0070.06020.09
5.5.60.0070.04720.05
5.5.50.0100.06720.09
5.5.40.0130.05020.04
5.5.30.0030.08020.05
5.5.20.0030.08320.05
5.5.10.0100.04319.97
5.5.00.0070.04020.04
5.4.450.0030.08719.27
5.4.440.0030.08719.37
5.4.430.0100.07019.22
5.4.420.0030.04719.45
5.4.410.0030.06719.36
5.4.400.0100.07319.04
5.4.390.0030.04018.85
5.4.380.0130.06018.86
5.4.370.0130.07019.16
5.4.360.0170.06319.04
5.4.350.0100.08318.96
5.4.340.0100.07019.16
5.4.320.0030.05019.25
5.4.310.0170.06719.03
5.4.300.0130.05719.12
5.4.290.0070.05319.12
5.4.280.0170.03019.16
5.4.270.0000.05019.23
5.4.260.0070.04019.15
5.4.250.0100.07319.05
5.4.240.0030.08018.89
5.4.230.0030.05018.89
5.4.220.0030.05319.20
5.4.210.0170.06719.09
5.4.200.0100.07718.94
5.4.190.0000.08019.11
5.4.180.0070.06719.04
5.4.170.0100.07018.83
5.4.160.0100.04319.11
5.4.150.0100.05019.10
5.4.140.0170.06016.41
5.4.130.0030.04716.45
5.4.120.0000.07716.40
5.4.110.0070.07716.46
5.4.100.0130.03316.36
5.4.90.0100.06316.48
5.4.80.0070.08016.38
5.4.70.0100.06716.38
5.4.60.0100.06716.41
5.4.50.0130.06716.33
5.4.40.0100.06016.54
5.4.30.0100.07016.47
5.4.20.0000.05716.24
5.4.10.0170.06716.41
5.4.00.0030.04315.77
5.3.290.0070.05314.60
5.3.280.0070.04314.70
5.3.270.0030.08014.70
5.3.260.0070.07014.55
5.3.250.0100.07714.65
5.3.240.0100.03314.66
5.3.230.0000.07314.65
5.3.220.0170.06714.54
5.3.210.0100.04014.55
5.3.200.0000.05014.61
5.3.190.0070.06314.57
5.3.180.0000.05014.61
5.3.170.0100.03714.66
5.3.160.0100.04314.58
5.3.150.0200.06714.48
5.3.140.0000.07314.64
5.3.130.0000.08314.55
5.3.120.0030.07014.50
5.3.110.0070.06714.64
5.3.100.0100.07714.06
5.3.90.0070.07314.02
5.3.80.0100.03313.93
5.3.70.0100.07314.13
5.3.60.0030.07314.05
5.3.50.0130.06014.07
5.3.40.0100.03713.96
5.3.30.0070.06313.91
5.3.20.0070.07313.82
5.3.10.0130.06713.70
5.3.00.0130.05313.66
5.2.170.0100.06711.20
5.2.160.0030.06011.20
5.2.150.0030.06711.17
5.2.140.0070.06311.12
5.2.130.0070.05711.16
5.2.120.0070.06011.11
5.2.110.0100.03011.25
5.2.100.0000.03711.15
5.2.90.0070.05311.16
5.2.80.0070.03311.14
5.2.70.0070.02710.94
5.2.60.0030.06311.15
5.2.50.0000.06311.15
5.2.40.0030.06310.99
5.2.30.0030.05011.10
5.2.20.0030.06711.01
5.2.10.0070.03010.86
5.2.00.0070.03010.69
5.1.60.0070.05310.09
5.1.50.0030.05310.08
5.1.40.0030.05710.02
5.1.30.0000.03710.38
5.1.20.0070.04710.36
5.1.10.0030.0509.92
5.1.00.0030.05310.07
5.0.50.0100.0409.92
5.0.40.0030.0439.92
5.0.30.0000.0709.92
5.0.20.0100.0379.92
5.0.10.0070.0209.92
5.0.00.0100.0379.92
4.4.90.0000.0179.92
4.4.80.0030.0179.92
4.4.70.0030.0309.92
4.4.60.0000.0379.92
4.4.50.0000.0209.92
4.4.40.0070.0439.92
4.4.30.0030.0379.92
4.4.20.0070.0339.92
4.4.10.0030.0239.92
4.4.00.0070.0409.92
4.3.110.0030.0279.92
4.3.100.0030.0309.92
4.3.90.0000.0279.92
4.3.80.0030.0579.92
4.3.70.0030.0279.92
4.3.60.0070.0139.92
4.3.50.0030.0279.92
4.3.40.0030.0539.92
4.3.30.0000.0209.92
4.3.20.0000.0379.92
4.3.10.0000.0279.92
4.3.00.0000.0279.92

preferences:
54.29 ms | 400 KiB | 5 Q