3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = null; echo isset( $obj->something ) ? "set" : "not";

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)
8.3.40.0120.00318.71
8.3.30.0070.00719.05
8.3.20.0040.00420.39
8.3.10.0070.00023.66
8.3.00.0000.00819.26
8.2.170.0080.00822.96
8.2.160.0070.00720.55
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0040.00421.16
8.2.110.0030.00721.96
8.2.100.0000.01219.57
8.2.90.0000.00719.05
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0080.00018.07
8.2.20.0040.00417.61
8.2.10.0040.00417.92
8.2.00.0030.00517.49
8.1.270.0030.00623.82
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00023.96
8.1.230.0070.00418.91
8.1.220.0060.00317.76
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0000.00817.00
8.1.180.0030.00618.10
8.1.170.0000.00818.46
8.1.160.0000.00721.95
8.1.150.0040.00418.86
8.1.140.0000.00717.44
8.1.130.0040.00417.73
8.1.120.0000.00717.39
8.1.110.0050.00217.37
8.1.100.0000.00717.32
8.1.90.0000.00717.41
8.1.80.0000.00717.30
8.1.70.0000.00717.36
8.1.60.0030.00617.46
8.1.50.0000.00717.51
8.1.40.0020.00517.42
8.1.30.0060.00317.50
8.1.20.0050.00217.59
8.1.10.0000.00717.48
8.1.00.0020.00517.34
8.0.300.0000.00718.77
8.0.290.0020.00516.75
8.0.280.0030.00318.37
8.0.270.0050.00217.16
8.0.260.0000.00617.25
8.0.250.0030.00316.97
8.0.240.0040.00416.96
8.0.230.0030.00616.91
8.0.220.0070.00016.84
8.0.210.0000.00716.71
8.0.200.0070.00016.88
8.0.190.0000.00816.82
8.0.180.0070.00016.75
8.0.170.0000.00716.93
8.0.160.0000.00816.79
8.0.150.0000.00716.86
8.0.140.0080.00016.70
8.0.130.0000.00613.23
8.0.120.0060.00316.68
8.0.110.0050.00216.76
8.0.100.0040.00416.89
8.0.90.0040.00416.73
8.0.80.0030.01616.79
8.0.70.0040.00416.92
8.0.60.0020.00516.77
8.0.50.0040.00416.95
8.0.30.0090.01116.99
8.0.20.0000.02117.40
8.0.10.0030.00517.02
8.0.00.0120.00516.85
7.4.330.0000.00515.02
7.4.320.0030.00316.49
7.4.300.0000.00616.44
7.4.290.0000.00716.45
7.4.280.0000.00716.45
7.4.270.0040.00416.39
7.4.260.0070.00016.47
7.4.250.0050.00316.41
7.4.240.0060.00216.45
7.4.230.0030.00316.34
7.4.220.0100.00916.52
7.4.210.0100.00716.58
7.4.200.0030.00316.52
7.4.160.0060.01016.55
7.4.150.0090.00917.40
7.4.140.0080.00917.86
7.4.130.0100.00916.48
7.4.120.0100.00816.54
7.4.110.0030.01416.27
7.4.100.0090.01016.36
7.4.90.0110.00616.48
7.4.80.0060.01119.39
7.4.70.0070.01016.58
7.4.60.0090.00916.42
7.4.50.0030.00616.53
7.4.40.0110.00616.47
7.4.30.0030.01216.48
7.4.10.0030.01314.77
7.4.00.0050.01214.83
7.3.330.0000.00612.91
7.3.320.0030.00312.89
7.3.310.0040.00416.08
7.3.300.0070.00016.05
7.3.290.0100.01116.14
7.3.280.0100.00916.18
7.3.270.0060.01017.40
7.3.260.0130.00516.41
7.3.250.0060.01216.25
7.3.240.0040.01316.26
7.3.230.0100.00716.39
7.3.210.0130.00316.20
7.3.200.0070.01019.39
7.3.190.0100.00716.40
7.3.180.0090.01216.50
7.3.170.0120.00316.40
7.3.160.0090.00916.30
7.3.130.0060.01315.05
7.3.120.0090.00914.74
7.3.110.0100.01014.83
7.3.100.0000.01414.70
7.3.90.0110.00314.99
7.3.80.0090.00014.64
7.3.70.0100.00314.79
7.3.60.0040.01114.50
7.3.50.0040.01114.75
7.3.40.0070.00714.48
7.3.30.0040.00814.79
7.3.20.0040.01116.49
7.3.10.0040.01116.67
7.3.00.0100.00316.61
7.2.330.0120.00616.53
7.2.320.0040.01216.20
7.2.310.0090.00816.54
7.2.300.0090.00616.34
7.2.290.0100.00716.57
7.2.260.0070.01114.86
7.2.250.0070.01115.18
7.2.240.0040.00814.69
7.2.230.0090.00615.05
7.2.220.0110.00314.88
7.2.210.0030.00614.87
7.2.200.0000.01114.97
7.2.190.0030.01014.89
7.2.180.0000.01114.82
7.2.170.0040.00414.95
7.2.160.0060.00614.96
7.2.150.0110.00416.88
7.2.140.0130.00616.50
7.2.130.0000.01416.75
7.2.120.0160.00016.61
7.2.110.0080.00316.80
7.2.100.0040.01116.66
7.2.90.0070.00716.57
7.2.80.0080.00416.77
7.2.70.0060.01216.63
7.2.60.0120.00616.66
7.2.50.0000.01416.88
7.2.40.0030.01216.97
7.2.30.0110.00416.87
7.2.20.0090.00016.76
7.2.10.0100.00717.01
7.2.00.0070.00318.12
7.1.330.0030.01015.50
7.1.320.0000.00815.89
7.1.310.0090.00315.67
7.1.300.0060.00915.61
7.1.290.0000.01415.56
7.1.280.0060.00915.56
7.1.270.0060.00815.64
7.1.260.0000.00915.83
7.1.250.0090.00615.63
7.1.240.0090.00615.81
7.1.230.0100.00715.45
7.1.220.0040.01115.78
7.1.210.0030.01115.52
7.1.200.0000.01515.69
7.1.190.0030.00615.71
7.1.180.0050.00515.56
7.1.170.0090.00315.52
7.1.160.0040.01115.51
7.1.150.0040.01115.37
7.1.140.0070.00415.64
7.1.130.0100.00315.40
7.1.120.0120.00015.61
7.1.110.0040.00415.77
7.1.100.0040.00816.69
7.1.90.0030.00915.77
7.1.80.0000.01115.59
7.1.70.0060.00516.20
7.1.60.0080.01217.55
7.1.50.0070.00916.03
7.1.40.0070.00715.43
7.1.30.0060.01015.63
7.1.20.0120.00615.69
7.1.10.0090.00415.42
7.1.00.0040.04418.93
7.0.330.0060.00615.34
7.0.320.0100.00015.37
7.0.310.0110.00415.36
7.0.300.0030.00614.97
7.0.290.0040.01215.20
7.0.280.0030.01015.30
7.0.270.0060.00615.20
7.0.260.0080.00015.14
7.0.250.0000.00815.14
7.0.240.0030.00915.11
7.0.230.0000.01115.16
7.0.220.0030.01015.15
7.0.210.0110.00315.35
7.0.200.0050.00515.77
7.0.190.0030.00915.36
7.0.180.0030.00615.05
7.0.170.0060.00615.48
7.0.160.0130.00015.00
7.0.150.0030.01015.24
7.0.140.0090.04018.67
7.0.130.0070.00315.48
7.0.120.0100.00315.29
7.0.110.0110.00315.20
7.0.100.0030.00815.08
7.0.90.0030.00715.32
7.0.80.0090.00615.36
7.0.70.0000.01614.91
7.0.60.0070.04017.61
7.0.50.0050.04716.65
7.0.40.0120.02916.72
7.0.30.0190.03916.73
7.0.20.0170.03716.73
7.0.10.0030.02716.72
7.0.00.0070.03916.75
5.6.400.0070.00714.68
5.6.390.0060.00914.13
5.6.380.0040.01114.27
5.6.370.0070.01114.43
5.6.360.0040.00814.50
5.6.350.0130.00014.10
5.6.340.0000.01014.50
5.6.330.0070.00714.55
5.6.320.0060.00614.50
5.6.310.0060.00914.40
5.6.300.0000.01514.52
5.6.290.0110.00414.49
5.6.280.0080.03617.63
5.6.270.0070.00714.27
5.6.260.0000.01214.10
5.6.250.0000.00914.41
5.6.240.0120.00614.25
5.6.230.0080.00414.36
5.6.220.0100.00014.09
5.6.210.0050.02417.33
5.6.200.0020.02516.16
5.6.190.0070.02317.61
5.6.180.0180.04517.33
5.6.170.0140.02217.26
5.6.160.0020.03017.43
5.6.150.0060.04816.22
5.6.140.0080.03016.12
5.6.130.0110.04316.23
5.6.120.0000.02917.78
5.6.110.0100.04517.60
5.6.100.0050.03217.59
5.6.90.0080.03517.71
5.6.80.0030.03817.38
5.6.70.0030.01014.45
5.6.60.0030.01014.22
5.6.50.0030.01014.45
5.6.40.0070.00714.37
5.6.30.0030.01314.20
5.6.20.0120.00314.52
5.6.10.0110.00314.18
5.6.00.0100.00314.34
5.5.380.0060.00614.18
5.5.370.0060.00314.40
5.5.360.0040.00714.38
5.5.350.0030.02517.29
5.5.340.0020.02916.08
5.5.330.0040.02417.59
5.5.320.0200.03517.20
5.5.310.0130.04317.08
5.5.300.0040.04216.06
5.5.290.0080.04216.09
5.5.280.0120.04017.48
5.5.270.0030.04817.53
5.5.260.0100.04217.51
5.5.250.0090.04617.38
5.5.240.0120.03017.04
5.5.230.0100.00614.18
5.5.220.0030.01014.20
5.5.210.0090.00613.91
5.5.200.0060.00914.28
5.5.190.0070.01014.30
5.5.180.0060.00914.41
5.5.170.0080.00814.26
5.5.160.0040.01114.33
5.5.150.0090.00614.24
5.5.140.0090.00613.83
5.5.130.0030.00614.10
5.5.120.0120.00314.34
5.5.110.0070.00714.05
5.5.100.0070.00713.97
5.5.90.0090.00014.32
5.5.80.0030.01014.38
5.5.70.0000.01314.49
5.5.60.0060.00614.31
5.5.50.0000.01514.20
5.5.40.0070.00714.03
5.5.30.0070.00714.10
5.5.20.0000.01114.46
5.5.10.0000.01414.09
5.5.00.0030.01014.25
5.4.450.0240.02216.16
5.4.440.0250.01916.08
5.4.430.0200.02916.14
5.4.420.0250.01816.21
5.4.410.0080.02416.01
5.4.400.0220.02416.00
5.4.390.0250.02716.03
5.4.380.0180.03815.81
5.4.370.0170.03115.74
5.4.360.0170.03315.73
5.4.350.0200.03315.80
5.4.340.0180.03215.73
5.4.330.0100.00312.90
5.4.320.0040.02312.68
5.4.310.0070.02212.68
5.4.300.0060.02012.68
5.4.290.0050.02512.67
5.4.280.0020.02612.62
5.4.270.0070.02212.62
5.4.260.0040.02712.62
5.4.250.0060.02312.62
5.4.240.0090.01612.63
5.4.230.0070.02912.57
5.4.220.0070.02112.62
5.4.210.0080.01912.62
5.4.200.0060.02112.62
5.4.190.0080.02912.62
5.4.180.0080.02712.62
5.4.170.0070.03012.62
5.4.160.0040.02912.62
5.4.150.0140.01812.62
5.4.140.0110.02412.46
5.4.130.0090.02112.46
5.4.120.0130.02712.43
5.4.110.0080.02012.43
5.4.100.0070.02412.44
5.4.90.0120.02712.43
5.4.80.0090.02612.43
5.4.70.0090.02212.43
5.4.60.0100.02012.43
5.4.50.0040.02512.43
5.4.40.0060.02812.42
5.4.30.0070.02212.43
5.4.20.0060.02112.42
5.4.10.0020.02612.42
5.4.00.0040.02312.17
5.3.290.0110.03512.80
5.3.280.0090.03912.71
5.3.270.0090.03912.73
5.3.260.0050.05812.72
5.3.250.0070.04812.72
5.3.240.0080.03712.72
5.3.230.0080.03712.71
5.3.220.0090.03412.68
5.3.210.0050.04012.68
5.3.200.0070.03612.68
5.3.190.0020.04312.68
5.3.180.0050.03712.67
5.3.170.0060.03612.66
5.3.160.0090.03612.67
5.3.150.0030.05012.67
5.3.140.0040.03812.66
5.3.130.0080.03812.66
5.3.120.0070.03712.66
5.3.110.0040.04012.65
5.3.100.0110.03312.12
5.3.90.0090.03912.08
5.3.80.0040.04012.07
5.3.70.0100.03412.07
5.3.60.0080.03612.07
5.3.50.0040.03912.00
5.3.40.0070.04212.00
5.3.30.0070.04711.94
5.3.20.0060.04311.71
5.3.10.0110.03111.69
5.3.00.0090.04211.68
5.2.170.0070.0289.18
5.2.160.0040.0369.18
5.2.150.0070.0299.18
5.2.140.0030.0399.18
5.2.130.0060.0289.13
5.2.120.0020.0319.14
5.2.110.0030.0339.14
5.2.100.0050.0289.13
5.2.90.0020.0319.13
5.2.80.0070.0279.13
5.2.70.0030.0329.13
5.2.60.0030.0319.09
5.2.50.0040.0299.05
5.2.40.0050.0289.03
5.2.30.0040.0309.01
5.2.20.0050.0338.99
5.2.10.0040.0298.91
5.2.00.0040.0318.77
5.1.60.0030.0268.06
5.1.50.0060.0298.06
5.1.40.0080.0318.04
5.1.30.0010.0308.39
5.1.20.0060.0248.41
5.1.10.0050.0258.13
5.1.00.0050.0258.14
5.0.50.0030.0246.61
5.0.40.0010.0216.47
5.0.30.0010.0346.29
5.0.20.0030.0206.25
5.0.10.0030.0206.23
5.0.00.0050.0286.23
4.4.90.0020.0164.78
4.4.80.0030.0164.75
4.4.70.0050.0134.75
4.4.60.0040.0144.76
4.4.50.0000.0184.77
4.4.40.0040.0284.71
4.4.30.0040.0154.75
4.4.20.0020.0164.84
4.4.10.0010.0174.85
4.4.00.0020.0264.76
4.3.110.0040.0144.67
4.3.100.0050.0124.66
4.3.90.0030.0144.63
4.3.80.0030.0244.59
4.3.70.0050.0134.63
4.3.60.0030.0164.62
4.3.50.0030.0164.63
4.3.40.0020.0254.54
4.3.30.0030.0153.27
4.3.20.0020.0163.26
4.3.10.0030.0143.22
4.3.00.0170.02015.95

preferences:
63.4 ms | 400 KiB | 5 Q