3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { function __get($key) {return 'x';} function __isset($key) {return TRUE;} } $c = new C; print_r(empty($c->__get('k')));

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)
8.3.60.0130.00316.48
8.3.50.0110.00821.87
8.3.40.0070.01418.70
8.3.30.0070.00718.97
8.3.20.0060.00320.39
8.3.10.0020.00523.64
8.3.00.0080.00019.13
8.2.180.0040.01116.50
8.2.170.0040.01122.96
8.2.160.0070.00720.44
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0020.00522.23
8.2.110.0070.00422.31
8.2.100.0040.00817.50
8.2.90.0040.00419.20
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0000.00819.75
8.2.30.0000.00718.03
8.2.20.0050.00317.66
8.2.10.0040.00418.04
8.2.00.0070.00017.63
8.1.280.0120.00625.92
8.1.270.0000.00822.20
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0090.00023.83
8.1.230.0090.00319.21
8.1.220.0050.00217.74
8.1.210.0040.00418.77
8.1.200.0030.00717.36
8.1.190.0090.00017.23
8.1.180.0060.00318.10
8.1.170.0080.00018.66
8.1.160.0000.00722.02
8.1.150.0040.00418.79
8.1.140.0040.00417.36
8.1.130.0000.00717.69
8.1.120.0000.00717.40
8.1.110.0040.00417.48
8.1.100.0040.00417.44
8.1.90.0040.00417.32
8.1.80.0000.00717.38
8.1.70.0070.00017.33
8.1.60.0000.00817.57
8.1.50.0050.00317.50
8.1.40.0040.00417.50
8.1.30.0000.00817.48
8.1.20.0080.00017.55
8.1.10.0020.00517.40
8.1.00.0000.00717.48
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.35
8.0.270.0070.00017.17
8.0.260.0030.00317.25
8.0.250.0080.00016.94
8.0.240.0000.00716.91
8.0.230.0070.00016.91
8.0.220.0000.00616.79
8.0.210.0030.00316.77
8.0.200.0000.00616.99
8.0.190.0040.00416.94
8.0.180.0000.00716.86
8.0.170.0060.00316.93
8.0.160.0090.00016.84
8.0.150.0040.00416.72
8.0.140.0000.00716.76
8.0.130.0000.00613.30
8.0.120.0080.00016.80
8.0.110.0030.00516.76
8.0.100.0050.00216.79
8.0.90.0040.00416.78
8.0.80.0090.00616.79
8.0.70.0070.00016.66
8.0.60.0030.00516.77
8.0.50.0050.00316.75
8.0.30.0130.01017.04
8.0.20.0080.01117.40
8.0.10.0070.00016.88
8.0.00.0060.01116.63
7.4.330.0000.00415.00
7.4.320.0040.00416.54
7.4.300.0060.00016.56
7.4.290.0060.00316.58
7.4.280.0040.00416.40
7.4.270.0040.00416.63
7.4.260.0030.00316.50
7.4.250.0040.00416.54
7.4.240.0000.00816.50
7.4.230.0000.00716.38
7.4.220.0090.00916.60
7.4.210.0130.00616.70
7.4.200.0000.00716.38
7.4.160.0100.00616.75
7.4.150.0090.00917.40
7.4.140.0070.01217.86
7.4.130.0050.01216.56
7.4.120.0090.01116.43
7.4.110.0120.00916.55
7.4.100.0070.01516.68
7.4.90.0090.00816.48
7.4.80.0150.00819.39
7.4.70.0070.01416.60
7.4.60.0110.00816.48
7.4.50.0040.00016.30
7.4.40.0030.01416.60
7.4.30.0170.00616.54
7.4.00.0060.00915.00
7.3.330.0030.00313.18
7.3.320.0070.00013.25
7.3.310.0040.00416.21
7.3.300.0030.00316.09
7.3.290.0080.00616.27
7.3.280.0110.00816.21
7.3.270.0060.01917.40
7.3.260.0060.00916.50
7.3.250.0100.01016.18
7.3.240.0090.01216.30
7.3.230.0070.01016.39
7.3.210.0080.01016.19
7.3.200.0130.00719.39
7.3.190.0120.00916.56
7.3.180.0040.01416.45
7.3.170.0030.01216.27
7.3.160.0080.00816.25
7.2.330.0060.01316.36
7.2.320.0130.01016.57
7.2.310.0140.01016.41
7.2.300.0090.01316.76
7.2.290.0130.01016.70
7.2.60.0100.00316.84
7.2.00.0000.01619.50
7.1.200.0110.00415.84
7.1.100.0070.00418.09
7.1.70.0000.01117.00
7.1.60.0060.01819.32
7.1.50.0070.01417.02
7.1.00.0000.08022.41
7.0.200.0070.00316.39
7.0.140.0070.06721.95
7.0.60.0300.06019.79
7.0.50.0030.09017.96
7.0.40.0130.08020.09
7.0.30.0170.06020.21
7.0.20.0300.07020.30
7.0.10.0100.08020.10
7.0.00.0030.04320.11
5.6.280.0030.07320.91
5.6.210.0030.06720.61
5.6.200.0100.08318.24
5.6.190.0070.08320.72
5.6.180.0370.06720.61
5.6.170.0330.05320.55
5.6.160.0130.07020.45
5.6.150.0130.07718.18
5.6.140.0100.06718.17
5.6.130.0070.08018.28
5.6.120.0130.07021.03
5.6.110.0130.07320.98
5.6.100.0130.06721.02
5.6.90.0070.04321.04
5.6.80.0170.05320.29
5.5.350.0230.08020.41
5.5.340.0100.04017.96
5.5.330.0030.05320.27
5.5.320.0300.03720.25
5.5.310.0230.06020.34
5.5.300.0100.04017.95
5.5.290.0070.03718.02
5.5.280.0130.07720.77
5.5.270.0130.07320.63
5.5.260.0030.08020.88
5.5.250.0070.08020.68
5.5.240.0070.07020.07
5.4.450.3600.04319.26
5.4.440.0030.08019.55
5.4.430.1870.04719.25
5.4.420.4500.03319.25
5.4.410.4430.05319.32
5.4.400.4170.03319.00
5.4.390.3630.03718.93
5.4.380.3930.03719.15
5.4.370.3830.03719.06
5.4.360.3870.03718.99
5.4.350.3630.03719.07
5.4.340.3700.03719.06
5.4.320.3370.03319.21
5.4.310.3930.03719.23
5.4.300.3630.04019.10
5.4.290.3570.04019.06
5.4.280.4130.04019.14
5.4.270.3930.03319.00
5.4.260.3570.04019.14
5.4.250.3600.04319.10
5.4.240.4070.03719.23
5.4.230.4030.03718.93
5.4.220.4270.04319.14
5.4.210.3830.03318.93
5.4.200.3800.03319.10
5.4.190.3900.03319.16
5.4.180.4070.03719.07
5.4.170.3270.04319.11
5.4.160.4670.04319.13
5.4.150.3870.04319.15
5.4.140.3670.04016.57
5.4.130.3700.03016.45
5.4.120.3670.03016.41
5.4.110.3670.03016.40
5.4.100.3630.03316.62
5.4.90.3600.03716.53
5.4.80.3670.03716.59
5.4.70.3630.03016.36
5.4.60.3570.03716.62
5.4.50.3830.03316.23
5.4.40.3830.03316.54
5.4.30.4100.03716.42
5.4.20.3300.03316.45
5.4.10.3830.03316.50
5.4.00.3700.03715.96
5.3.290.3830.03714.66
5.3.280.3530.04314.48
5.3.270.3730.03714.61
5.3.260.3730.03714.61
5.3.250.3730.05014.53
5.3.240.3800.03714.61
5.3.230.4130.04014.63
5.3.220.3700.03314.45
5.3.210.5270.04314.64
5.3.200.3800.03014.60
5.3.190.3600.03714.62
5.3.180.3600.03714.45
5.3.170.3370.03314.59
5.3.160.3670.03314.59
5.3.150.4130.04014.51
5.3.140.3830.04314.71
5.3.130.3870.03714.58
5.3.120.3730.03714.60
5.3.110.3730.04014.60
5.3.100.1930.03714.04
5.3.90.0070.07314.04
5.3.80.0070.06714.10
5.3.70.0030.05014.08
5.3.60.3800.03713.95
5.3.50.3830.03713.98
5.3.40.3900.04013.84
5.3.30.3870.03013.95
5.3.20.3770.03013.58
5.3.10.4000.03313.73
5.3.00.3970.04013.70
5.2.170.3170.02711.10
5.2.160.3330.03311.16
5.2.150.3300.03011.21
5.2.140.3300.03011.09
5.2.130.3500.03311.11
5.2.120.3230.03011.03
5.2.110.3200.03011.11
5.2.100.3500.02311.16
5.2.90.3530.02711.26
5.2.80.3870.02311.17
5.2.70.3470.03311.06
5.2.60.3900.02711.08
5.2.50.3800.02311.02
5.2.40.0070.06011.00
5.2.30.0130.04310.98
5.2.20.0030.05711.01
5.2.10.0970.05710.91
5.2.00.2970.02310.77
5.1.60.2830.0279.91
5.1.50.3000.02310.17
5.1.40.2970.0279.89
5.1.30.3130.03010.34
5.1.20.3070.02710.27
5.1.10.3170.02310.14
5.1.00.2830.02010.13
5.0.50.1430.0238.53
5.0.40.1230.0208.41
5.0.30.1270.0278.13
5.0.20.1330.0178.22
5.0.10.0830.0308.18
5.0.00.1200.0338.16
4.4.90.1700.0176.11
4.4.80.1730.0176.11
4.4.70.0070.0206.11
4.4.60.0030.0176.11
4.4.50.0000.0406.11
4.4.40.1770.0276.11
4.4.30.1700.0206.11
4.4.20.1430.0136.11
4.4.10.1370.0406.11
4.4.00.1270.0276.11
4.3.110.1330.0136.11
4.3.100.1170.0176.11
4.3.90.1470.0176.11
4.3.80.1570.0276.11
4.3.70.1500.0176.11
4.3.60.1570.0136.11
4.3.50.1370.0176.11
4.3.40.1470.0306.11
4.3.30.0730.0206.11
4.3.20.0630.0176.11
4.3.10.0700.0236.11
4.3.00.0870.0176.11

preferences:
39.43 ms | 401 KiB | 5 Q