3v4l.org

run code in 300+ PHP versions simultaneously
<?php class _google{}function __autoload($c){eval("class _$c{}");echo strlen($c);}function g($x){class_exists($x);} g('bing'); g('google');

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)
8.3.40.0120.00618.53
8.3.30.0040.01118.61
8.3.20.0040.00420.16
8.3.10.0000.00923.61
8.3.00.0000.00819.48
8.2.170.0110.00422.96
8.2.160.0130.00020.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00417.38
8.2.110.0000.01021.01
8.2.100.0070.00417.63
8.2.90.0000.00719.16
8.2.80.0050.00317.97
8.2.70.0050.00317.50
8.2.60.0000.00817.55
8.2.50.0000.01118.07
8.2.40.0060.00319.38
8.2.30.0000.00819.72
8.2.20.0080.00017.42
8.2.10.0040.00417.79
8.2.00.0000.00717.93
8.1.270.0090.00420.38
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00522.81
8.1.230.0080.00817.42
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0090.00017.10
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0040.00418.36
8.1.160.0000.00721.94
8.1.150.0020.00518.80
8.1.140.0030.00517.30
8.1.130.0040.00417.47
8.1.120.0050.00217.36
8.1.110.0030.00317.24
8.1.100.0000.00717.34
8.1.90.0000.00717.31
8.1.80.0030.00617.36
8.1.70.0070.00017.25
8.1.60.0080.00017.43
8.1.50.0030.00617.32
8.1.40.0000.00817.40
8.1.30.0040.00417.54
8.1.20.0080.00017.40
8.1.10.0040.00417.35
8.1.00.0080.00017.32
8.0.300.0000.00918.77
8.0.290.0060.00316.75
8.0.280.0030.00318.18
8.0.270.0000.00717.02
8.0.260.0060.00317.18
8.0.250.0000.00716.91
8.0.240.0060.00016.84
8.0.230.0030.00516.86
8.0.220.0000.00816.70
8.0.210.0070.00016.67
8.0.200.0000.00616.87
8.0.190.0060.00316.80
8.0.180.0000.00716.82
8.0.170.0000.00716.89
8.0.160.0080.00016.95
8.0.150.0070.00016.72
8.0.140.0030.00316.64
8.0.130.0060.00013.25
8.0.120.0040.00416.80
8.0.110.0030.00316.78
8.0.100.0030.00516.61
8.0.90.0040.00416.88
8.0.80.0060.00916.86
8.0.70.0000.00816.78
8.0.60.0000.00716.86
8.0.50.0030.00416.88
8.0.30.0090.00917.05
8.0.20.0110.01317.40
8.0.10.0040.00416.93
8.0.00.0150.00816.62
7.4.330.0050.00015.08
7.4.320.0040.00416.49
7.4.300.0000.00716.57
7.4.290.0000.00716.59
7.4.280.0050.00416.59
7.4.270.0040.00416.53
7.4.260.0000.00716.62
7.4.250.0000.00816.58
7.4.240.0000.00716.58
7.4.230.0040.00416.62
7.4.220.0090.00616.48
7.4.210.0100.01016.62
7.4.200.0000.00716.55
7.4.160.0070.01516.72
7.4.150.0120.00817.40
7.4.140.0060.01217.86
7.4.130.0110.00716.53
7.4.120.0120.00716.55
7.4.110.0070.01016.30
7.4.100.0150.00916.46
7.4.90.0110.00716.43
7.4.80.0080.01019.39
7.4.70.0000.01516.66
7.4.60.0090.00916.58
7.4.50.0060.00316.66
7.4.40.0060.00916.47
7.4.30.0140.00616.51
7.4.00.0100.00714.85
7.3.330.0020.00313.36
7.3.320.0000.00513.18
7.3.310.0070.00016.34
7.3.300.0000.00616.33
7.3.290.0110.00516.33
7.3.280.0080.01216.39
7.3.270.0100.00617.40
7.3.260.0150.01116.61
7.3.250.0090.01016.35
7.3.240.0110.00516.58
7.3.230.0100.00716.51
7.3.210.0100.00716.43
7.3.200.0100.00916.32
7.3.190.0120.00616.62
7.3.180.0040.01416.52
7.3.170.0070.01016.41
7.3.160.0190.00316.48
7.3.120.0100.00714.88
7.3.110.0070.00714.66
7.3.100.0100.00314.81
7.3.90.0070.00314.77
7.3.80.0070.00714.68
7.3.70.0030.01214.64
7.3.60.0030.00714.73
7.3.50.0100.00614.77
7.3.40.0060.01014.40
7.3.30.0030.00714.71
7.3.20.0040.01216.83
7.3.10.0060.00916.59
7.3.00.0090.00616.86
7.2.330.0030.01416.45
7.2.320.0060.01516.71
7.2.310.0030.01416.62
7.2.300.0090.00916.28
7.2.290.0110.00716.43
7.2.240.0040.01115.20
7.2.230.0030.00915.02
7.2.220.0030.01214.89
7.2.210.0090.00614.93
7.2.200.0060.00915.03
7.2.190.0100.00314.77
7.2.180.0040.01214.81
7.2.170.0000.01514.94
7.2.160.0000.01814.93
7.2.150.0100.00716.72
7.2.140.0030.01416.77
7.2.130.0100.00616.98
7.2.120.0100.00716.88
7.2.110.0100.00616.70
7.2.100.0120.00316.64
7.2.90.0080.00416.77
7.2.80.0030.01216.75
7.2.70.0090.00616.88
7.2.60.0050.01116.92
7.2.50.0000.01716.90
7.2.40.0000.01716.88
7.2.30.0130.00316.82
7.2.20.0160.00016.56
7.2.10.0080.00816.74
7.2.00.0060.00618.04
7.1.330.0120.00315.99
7.1.320.0060.01215.76
7.1.310.0090.00615.95
7.1.300.0040.01215.96
7.1.290.0060.00315.76
7.1.280.0100.00615.83
7.1.270.0080.00415.79
7.1.260.0070.01015.72
7.1.250.0100.00315.48
7.1.200.0080.00615.84
7.1.100.0030.00918.27
7.1.70.0000.00817.19
7.1.60.0130.01019.12
7.1.50.0100.01016.98
7.1.00.0070.07322.40
7.0.200.0040.00816.95
7.0.110.0070.03719.96
7.0.100.0070.03720.09
7.0.90.0070.08320.06
7.0.80.0000.04319.95
7.0.70.0100.03720.00
7.0.60.0070.03720.04
7.0.50.0000.06020.02
7.0.40.0070.03719.76
7.0.30.0070.06019.65
7.0.20.0070.08019.78
7.0.10.0100.08019.71
7.0.00.0030.04719.85
5.6.280.0070.02721.07
5.6.260.0070.07320.60
5.6.250.0000.04020.73
5.6.240.0030.03720.48
5.6.230.0070.06320.66
5.6.220.0000.04320.65
5.6.210.0070.07720.73
5.6.200.0130.03320.66
5.6.190.0030.04320.86
5.6.180.0070.03720.64
5.6.170.0070.03020.47
5.6.160.0100.03720.47
5.6.150.0100.03720.47
5.6.140.0130.04720.56
5.6.130.0030.06720.59
5.6.120.0170.07320.59
5.6.110.0100.04320.55
5.6.100.0100.06720.69
5.6.90.0130.07020.62
5.6.80.0100.06020.03
5.6.70.0030.04020.00
5.6.60.0000.04319.99
5.6.50.0030.04020.01
5.6.40.0000.04319.98
5.6.30.0070.03719.99
5.6.20.0100.02720.01
5.6.10.0030.04020.00
5.6.00.0030.03720.07
5.5.380.0100.06017.57
5.5.370.0000.05717.70
5.5.360.0100.05317.53
5.5.350.0030.04017.64
5.5.340.0070.04718.23
5.5.330.0000.06017.91
5.5.320.0000.05318.07
5.5.310.0030.04018.25
5.5.300.0030.03717.93
5.5.290.0000.04317.93
5.5.280.0070.08017.91
5.5.270.0000.04318.09
5.5.260.0170.07318.24
5.5.250.0030.06017.94
5.5.240.0030.04017.51
5.5.230.0000.07317.43
5.5.220.0100.06017.50
5.5.210.0000.04317.48
5.5.200.0030.03317.43
5.5.190.0000.04317.61
5.5.180.0070.03017.32
5.5.160.0030.03317.61
5.5.150.0030.03017.40
5.5.140.0000.03317.45
5.5.130.0000.03317.42
5.5.120.0030.03017.48
5.5.110.0030.03017.57
5.5.100.0030.03017.09
5.5.90.0000.03317.52
5.5.80.0170.02717.38
5.5.70.0000.03317.17
5.5.60.0070.03017.36
5.5.50.0070.02717.43
5.5.40.0030.03017.33
5.5.30.0030.03317.08
5.5.20.0100.02317.47
5.5.10.0070.03017.33
5.5.00.0030.03017.33
5.4.450.0130.02719.29
5.4.440.0030.07019.57
5.4.430.0070.04019.46
5.4.420.0030.04019.50
5.4.410.0070.04019.42
5.4.400.0000.07719.09
5.4.390.0000.05019.01
5.4.380.0100.02719.18
5.4.370.0030.04019.09
5.4.360.0070.03718.99
5.4.350.0030.03719.26
5.4.340.0100.03318.99
5.4.320.0100.04719.25
5.4.310.0030.03019.23
5.4.300.0000.03319.23
5.4.290.0030.03019.03
5.4.280.0030.03019.02
5.4.270.0100.02719.18
5.4.260.0070.03019.09
5.4.250.0000.03319.23
5.4.240.0030.03019.01
5.4.230.0070.03019.30
5.4.220.0070.02719.03
5.4.210.0030.03019.01
5.4.200.0030.03019.13
5.4.190.0000.03318.99
5.4.180.0070.02719.32
5.4.170.0070.03019.26
5.4.160.0000.03319.07
5.4.150.0030.03318.97
5.4.140.0000.03316.44
5.4.130.0000.03316.67
5.4.120.0000.03316.34
5.4.110.0030.03016.63
5.4.100.0030.03016.55
5.4.90.0000.03316.52
5.4.80.0000.03016.60
5.4.70.0100.02716.52
5.4.60.0000.03316.34
5.4.50.0070.02716.57
5.4.40.0070.02716.50
5.4.30.0030.03016.52
5.4.20.0070.03016.40
5.4.10.0030.03016.33
5.4.00.0000.03316.05

preferences:
67.74 ms | 400 KiB | 5 Q