3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o1 = new stdclass($a=8); var_dump(stdclass/$a); // Notice: Undefined variable: a var_dump($o1); $o2 = new Datetime($b='now'); var_dump($b); // string "now" var_dump($GLOBALS['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)
8.3.70.0180.00416.63
8.3.60.0060.01218.48
8.3.50.0170.00316.63
8.3.40.0070.00718.82
8.3.30.0140.00718.76
8.3.20.0080.00018.72
8.3.10.0050.00320.52
8.3.00.0000.00817.63
8.2.180.0090.00616.75
8.2.170.0080.00822.96
8.2.160.0060.01222.13
8.2.150.0110.00724.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0040.00419.83
8.2.110.0110.00021.95
8.2.100.0040.00817.91
8.2.90.0000.00719.20
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0070.00017.92
8.2.50.0000.00918.07
8.2.40.0040.00418.22
8.2.30.0050.00218.05
8.2.20.0030.00617.68
8.2.10.0070.00017.80
8.2.00.0040.00417.65
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0070.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00920.67
8.1.230.0110.00021.00
8.1.220.0000.00818.77
8.1.210.0040.00418.88
8.1.200.0030.00717.10
8.1.190.0000.00817.66
8.1.180.0030.00618.10
8.1.170.0000.00818.86
8.1.160.0080.00018.89
8.1.150.0000.00718.63
8.1.140.0050.00317.48
8.1.130.0030.00317.82
8.1.120.0070.00017.45
8.1.110.0040.00417.34
8.1.100.0030.00517.34
8.1.90.0000.00717.50
8.1.80.0040.00417.47
8.1.70.0040.00417.42
8.1.60.0050.00317.58
8.1.50.0070.00017.41
8.1.40.0000.00817.54
8.1.30.0080.00017.55
8.1.20.0040.00417.62
8.1.10.0070.00017.54
8.1.00.0000.00717.39
8.0.300.0060.00319.88
8.0.290.0080.00216.75
8.0.280.0000.00718.43
8.0.270.0070.00017.36
8.0.260.0030.00316.86
8.0.250.0040.00416.86
8.0.240.0070.00317.01
8.0.230.0040.00416.89
8.0.220.0060.00016.91
8.0.210.0050.00216.99
8.0.200.0030.00316.89
8.0.190.0030.00517.00
8.0.180.0050.00216.96
8.0.170.0070.00316.97
8.0.160.0040.00416.93
8.0.150.0090.00016.85
8.0.140.0040.00416.79
8.0.130.0000.00613.34
8.0.120.0000.00816.79
8.0.110.0020.00516.77
8.0.100.0000.00816.97
8.0.90.0040.00416.77
8.0.80.0130.00316.91
8.0.70.0000.00716.89
8.0.60.0050.00216.96
8.0.50.0000.00716.98
8.0.30.0120.00917.07
8.0.20.0090.00917.21
8.0.10.0000.00717.02
8.0.00.0090.00916.69
7.4.330.0020.00214.78
7.4.320.0030.00316.74
7.4.300.0000.00616.56
7.4.290.0000.00716.62
7.4.280.0060.00316.63
7.4.270.0060.00016.75
7.4.260.0050.00013.32
7.4.250.0000.00916.73
7.4.240.0040.00416.64
7.4.230.0000.00716.54
7.4.220.0090.00916.77
7.4.210.0070.00916.73
7.4.200.0030.00316.80
7.4.190.0000.00716.54
7.4.160.0110.01116.75
7.4.150.0090.00917.07
7.4.140.0060.01217.30
7.4.130.0080.01016.67
7.4.120.0120.00816.57
7.4.110.0160.00316.91
7.4.100.0100.00716.70
7.4.90.0100.00616.80
7.4.80.0100.00618.80
7.4.70.0160.00616.76
7.4.60.0100.00716.52
7.4.50.0060.00016.90
7.4.40.0060.00622.27
7.4.30.0120.00616.75
7.4.00.0030.01315.41
7.3.330.0060.00013.37
7.3.320.0000.00613.10
7.3.310.0030.00516.39
7.3.300.0030.00316.17
7.3.290.0080.00816.37
7.3.280.0130.00516.43
7.3.270.0100.00717.07
7.3.260.0060.01118.24
7.3.250.0130.01016.69
7.3.240.0100.00716.68
7.3.230.0060.01016.41
7.3.210.0120.00316.41
7.3.200.0100.00919.39
7.3.190.0030.01316.38
7.3.180.0090.00916.76
7.3.170.0040.01216.59
7.3.160.0040.01116.68
7.3.120.0070.00714.92
7.3.10.0030.01516.70
7.3.00.0140.00816.55
7.2.330.0140.00316.76
7.2.320.0080.00816.83
7.2.310.0090.00916.38
7.2.300.0120.00616.62
7.2.290.0030.01316.87
7.2.130.0130.00917.05
7.2.120.0100.01016.52
7.2.110.0140.00816.48
7.2.100.0150.00916.61
7.2.90.0110.00716.60
7.2.80.0200.00316.84
7.2.70.0160.00616.63
7.2.60.0130.00516.89
7.2.50.0150.01016.66
7.2.40.0120.00816.61
7.2.30.0170.00316.80
7.2.20.0150.00916.63
7.2.10.0180.00416.84
7.2.00.0100.01118.25
7.1.250.0100.01215.59
7.1.200.0040.00715.76
7.1.100.0230.01318.32
7.1.70.0030.00517.29
7.1.60.0100.01319.40
7.1.50.0140.00717.09
7.1.00.0000.03722.57
7.0.200.0130.00316.93
7.0.140.0070.07022.04
7.0.60.0070.07019.96
7.0.50.0070.06317.93
7.0.40.0130.06720.15
7.0.30.0170.04320.13
7.0.20.0370.08020.20
7.0.10.0330.07020.12
7.0.00.0100.07320.08
5.6.280.0000.07320.79
5.6.210.0230.06320.55
5.6.200.0100.05718.23
5.6.190.0100.04020.41
5.6.180.0170.04320.61
5.6.170.0330.07320.52
5.6.160.0130.03720.48
5.6.150.0130.06718.22
5.6.140.0100.07318.05
5.6.130.0030.05718.11
5.6.120.0100.08021.09
5.6.110.0070.07321.08
5.6.100.0030.08721.13
5.6.90.0170.07320.96
5.6.80.0030.09320.50
5.6.70.0200.04720.37
5.5.350.0200.04320.43
5.5.340.0130.07317.98
5.5.330.0070.04320.57
5.5.320.0070.08320.07
5.5.310.0230.08720.18
5.5.300.0170.07317.91
5.5.290.0370.03717.92
5.5.280.0070.04020.86
5.5.270.0130.03720.95
5.5.260.0270.06720.75
5.5.250.0030.04020.54
5.5.240.0030.04020.18
5.4.450.0270.04019.58
5.4.440.0330.07719.57
5.4.430.0500.03719.41
5.4.420.0230.04319.43
5.4.410.0330.05719.24
5.4.400.0270.04019.09
5.4.390.0300.03319.25
5.4.380.0300.04319.24
5.4.370.0300.04018.89
5.4.360.0300.03719.10
5.4.350.0300.05018.88
5.4.340.0270.04018.92
5.4.320.0430.06719.13
5.4.310.0300.03719.24
5.4.300.0270.03718.93
5.4.290.0300.03719.24
5.4.280.0400.05719.19
5.4.270.0330.04719.10
5.4.260.0230.04019.21
5.4.250.0370.05719.13
5.4.240.0300.03319.23
5.4.230.0330.06319.12
5.4.220.0270.05318.88
5.4.210.0270.04019.13
5.4.200.0270.03718.91
5.4.190.0300.03718.89
5.4.180.0300.03318.88
5.4.170.0400.05719.16
5.4.160.0370.04319.20
5.4.150.0270.04319.09
5.4.140.0270.03716.36
5.4.130.0230.04016.32
5.4.120.0270.06016.50
5.4.110.0270.03716.54
5.4.100.0300.08016.35
5.4.90.0270.03316.44
5.4.80.0370.04016.42
5.4.70.0270.03716.44
5.4.60.0330.04016.19
5.4.50.0370.04016.20
5.4.40.0270.04716.27
5.4.30.0300.03016.38
5.4.20.0230.04716.36
5.4.10.0270.03716.39
5.4.00.0270.03315.63
5.3.290.0300.06014.52
5.3.280.0300.04714.58
5.3.270.0270.04714.54
5.3.260.0370.05714.48
5.3.250.0330.05314.41
5.3.240.0230.04014.54
5.3.230.0270.04014.50
5.3.220.0270.05714.42
5.3.210.0300.03314.42
5.3.200.0270.03714.57
5.3.190.0400.03714.42
5.3.180.0370.04714.51
5.3.170.0230.04014.50
5.3.160.0230.04014.41
5.3.150.0300.03314.40
5.3.140.0230.04014.41
5.3.130.0270.04014.40
5.3.120.0300.03714.48
5.3.110.0270.04014.42
5.3.100.0230.04013.89
5.3.90.0230.04313.88
5.3.80.0270.03713.79
5.3.70.0400.03713.85
5.3.60.0300.03313.78
5.3.50.0400.05713.72
5.3.40.0330.04313.79
5.3.30.0500.06013.79
5.3.20.0200.04013.60
5.3.10.0270.03313.53
5.3.00.0230.03713.73
5.2.170.0230.03011.48
5.2.160.0230.04011.49
5.2.150.0300.03311.49
5.2.140.0330.05311.50
5.2.130.0270.05711.50
5.2.120.0200.03011.50
5.2.110.0170.03311.51
5.2.100.0200.03311.51
5.2.90.0230.02711.52
5.2.80.0270.02711.53
5.2.70.0270.02311.54
5.2.60.0170.03311.54
5.2.50.0330.05011.54
5.2.40.0170.02711.55
5.2.30.0170.03311.55
5.2.20.0200.02711.57
5.2.10.0200.02711.57
5.2.00.0230.04311.58
5.1.60.0170.02311.58
5.1.50.0200.03011.59
5.1.40.0170.03011.59
5.1.30.0130.03011.60
5.1.20.0270.04011.61
5.1.10.0300.04711.61
5.1.00.0230.02011.61
5.0.50.0130.01711.61
5.0.40.0070.02311.62
5.0.30.0070.03311.62
5.0.20.0100.01711.62
5.0.10.0130.01711.62
5.0.00.0100.03011.64
4.4.90.0130.02711.66
4.4.80.0070.01711.66
4.4.70.0070.02011.67
4.4.60.0130.01311.68
4.4.50.0100.01711.68
4.4.40.0100.02311.68
4.4.30.0130.01711.68
4.4.20.0100.01311.69
4.4.10.0070.01711.70
4.4.00.0070.02711.70
4.3.110.0130.01711.71
4.3.100.0100.01711.71
4.3.90.0070.01711.71
4.3.80.0100.02311.71
4.3.70.0100.01711.72
4.3.60.0070.01711.74
4.3.50.0070.02011.75
4.3.40.0070.02711.75
4.3.30.0100.01011.76
4.3.20.0070.01311.76
4.3.10.0070.01311.76
4.3.00.0070.01311.79

preferences:
65.26 ms | 401 KiB | 5 Q