3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { public $test = 'test'; } $a = 'hello'; $t = new test; $t->test =& $a; $a = 'nowe'; var_dump($t); ?>

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)
8.3.60.0080.00818.18
8.3.50.0120.00617.31
8.3.40.0120.00318.47
8.3.30.0040.01118.54
8.3.20.0000.00818.65
8.3.10.0140.00718.51
8.3.00.0040.00419.01
8.2.180.0100.01016.50
8.2.170.0070.00722.96
8.2.160.0060.00918.55
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00521.18
8.2.110.0090.00022.14
8.2.100.0060.00617.78
8.2.90.0090.00017.84
8.2.80.0080.00018.77
8.2.70.0040.00417.50
8.2.60.0000.00817.63
8.2.50.0040.00417.93
8.2.40.0030.00619.35
8.2.30.0030.00617.58
8.2.20.0050.00517.54
8.2.10.0000.00717.54
8.2.00.0040.00417.72
8.1.280.0070.01025.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00619.02
8.1.230.0000.01317.70
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0030.00617.47
8.1.190.0080.00017.25
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0070.00018.96
8.1.150.0000.00818.46
8.1.140.0040.00417.30
8.1.130.0040.00417.38
8.1.120.0040.00417.37
8.1.110.0030.00517.28
8.1.100.0070.00017.38
8.1.90.0000.00817.31
8.1.80.0040.00417.39
8.1.70.0000.00717.36
8.1.60.0030.00617.50
8.1.50.0040.00417.42
8.1.40.0090.00017.45
8.1.30.0030.00617.51
8.1.20.0080.00017.57
8.1.10.0000.00817.52
8.1.00.0060.00617.39
8.0.300.0040.00418.77
8.0.290.0070.00416.63
8.0.280.0000.00718.48
8.0.270.0070.00017.13
8.0.260.0080.00016.80
8.0.250.0000.00716.90
8.0.240.0040.00416.94
8.0.230.0030.00316.79
8.0.220.0070.00016.73
8.0.210.0030.00416.81
8.0.200.0000.00616.85
8.0.190.0050.00216.76
8.0.180.0040.00416.73
8.0.170.0000.00816.64
8.0.160.0030.00416.75
8.0.150.0000.00716.64
8.0.140.0030.00716.84
8.0.130.0050.00013.29
8.0.120.0040.00416.77
8.0.110.0040.00416.85
8.0.100.0020.00516.74
8.0.90.0000.00716.76
8.0.80.0070.01016.87
8.0.70.0050.00216.84
8.0.60.0000.00816.68
8.0.50.0030.00616.79
8.0.30.0060.01217.21
8.0.20.0050.01316.96
8.0.10.0040.00416.90
8.0.00.0110.00716.69
7.4.330.0020.00212.92
7.4.320.0030.00316.45
7.4.300.0070.00016.52
7.4.290.0030.00316.54
7.4.280.0070.00416.45
7.4.270.0000.00816.50
7.4.260.0060.00013.23
7.4.250.0000.00816.46
7.4.240.0000.00716.58
7.4.230.0030.00616.34
7.4.220.0130.01016.39
7.4.210.0000.01416.41
7.4.200.0000.00716.60
7.4.190.0040.00416.65
7.4.160.0080.00816.42
7.4.150.0110.00516.38
7.4.140.0090.00916.52
7.4.130.0090.00916.25
7.4.120.0130.00316.50
7.4.110.0030.01516.56
7.4.100.0100.01316.40
7.4.90.0030.01616.33
7.4.80.0040.01419.39
7.4.70.0130.00316.35
7.4.60.0130.00316.47
7.4.50.0000.00816.47
7.4.40.0070.01016.22
7.4.30.0130.00916.25
7.4.00.0070.01015.05
7.3.330.0030.00313.23
7.3.320.0030.00313.23
7.3.310.0030.00316.29
7.3.300.0030.00316.23
7.3.290.0090.00616.20
7.3.280.0080.01016.19
7.3.270.0120.00616.73
7.3.260.0110.00716.47
7.3.250.0060.01116.37
7.3.240.0100.00716.28
7.3.230.0090.01216.20
7.3.210.0040.01216.27
7.3.200.0070.01116.52
7.3.190.0110.00616.32
7.3.180.0070.00716.24
7.3.170.0130.00716.55
7.3.160.0070.01416.28
7.3.120.0030.01214.40
7.3.10.0100.00716.73
7.3.00.0080.00816.30
7.2.330.0060.01516.62
7.2.320.0150.00616.38
7.2.310.0120.00916.73
7.2.300.0040.01616.33
7.2.290.0110.00716.61
7.2.130.0100.01016.49
7.2.120.0130.00416.23
7.2.110.0100.00716.52
7.2.100.0090.00916.25
7.2.90.0140.00416.49
7.2.80.0100.01016.33
7.2.70.0180.00516.29
7.2.60.0100.00316.50
7.2.50.0200.00715.99
7.2.40.0180.00916.24
7.2.30.0270.00516.42
7.2.20.0040.01816.43
7.2.10.0180.00416.23
7.2.00.0070.01118.11
7.1.250.0070.01015.61
7.1.100.0000.01118.23
7.1.70.0030.01316.95
7.1.60.0060.01319.30
7.1.50.0090.00616.87
7.1.00.0030.04022.37
7.0.200.0040.00416.35
7.0.140.0030.07722.04
7.0.120.0030.03322.16
7.0.60.0000.06319.91
7.0.50.0070.05317.92
7.0.40.0100.03720.13
7.0.30.0330.04320.19
7.0.20.0170.04320.06
7.0.10.0070.07720.24
7.0.00.0170.04320.12
5.6.280.0000.07721.05
5.6.210.0030.04020.61
5.6.200.0070.04018.13
5.6.190.0070.04320.50
5.6.180.0200.07020.39
5.6.170.0300.07320.39
5.6.160.0030.08720.48
5.6.150.0100.07718.17
5.6.140.0000.04018.18
5.6.130.0030.05018.21
5.6.120.0070.06021.04
5.6.110.0070.06721.10
5.6.100.0030.04720.98
5.6.90.0100.07721.00
5.6.80.0100.07020.35
5.6.70.4430.03720.39
5.5.350.0100.08020.42
5.5.340.0070.08318.10
5.5.330.0130.06320.30
5.5.320.0230.05720.31
5.5.310.0270.04720.23
5.5.300.0070.04317.98
5.5.290.0030.05717.97
5.5.280.0070.03720.73
5.5.270.0030.05720.76
5.5.260.0070.08320.84
5.5.250.0130.06720.61
5.5.240.0230.07720.14
5.4.450.0400.05719.55
5.4.440.0800.03019.45
5.4.430.0670.03319.27
5.4.420.0770.04719.18
5.4.410.0470.04719.26
5.4.400.0700.04019.23
5.4.390.0370.05319.23
5.4.380.0370.04719.19
5.4.370.0600.03319.07
5.4.360.0330.04318.86
5.4.350.0230.04019.13
5.4.340.0500.03019.16
5.4.320.0600.04019.16
5.4.310.0600.03319.13
5.4.300.0770.04019.22
5.4.290.0600.05019.13
5.4.280.0530.04319.07
5.4.270.0630.04319.05
5.4.260.0530.04319.23
5.4.250.0370.04018.99
5.4.240.0630.02719.05
5.4.230.0770.03719.13
5.4.220.0600.03719.17
5.4.210.0330.04019.19
5.4.200.0600.03318.94
5.4.190.0600.04719.05
5.4.180.0870.03019.05
5.4.170.0600.04019.02
5.4.160.0770.02719.20
5.4.150.0400.03019.18
5.4.140.0800.03316.26
5.4.130.0530.05316.30
5.4.120.1000.03716.35
5.4.110.0400.04716.45
5.4.100.0500.03716.56
5.4.90.0570.03716.46
5.4.80.0770.02316.54
5.4.70.0270.04316.49
5.4.60.0800.04316.23
5.4.50.0400.04016.41
5.4.40.0530.04016.50
5.4.30.0300.04716.23
5.4.20.0500.04316.48
5.4.10.0370.04016.42
5.4.00.0530.03716.23
5.3.290.0800.03716.23
5.3.280.0630.04016.23
5.3.270.0400.03716.23
5.3.260.0470.04016.23
5.3.250.0470.03716.23
5.3.240.0670.04016.23
5.3.230.0370.04716.23
5.3.220.0270.04716.23
5.3.210.0570.03716.23
5.3.200.0630.03016.23
5.3.190.0230.04316.23
5.3.180.0330.04016.23
5.3.170.0400.03716.23
5.3.160.0300.04316.23
5.3.150.0470.03716.23
5.3.140.0500.03316.23
5.3.130.0670.04716.23
5.3.120.0870.03316.23
5.3.110.0700.04716.23
5.3.100.0670.03016.23
5.3.90.0470.05316.23
5.3.80.0600.02716.23
5.3.70.0270.04716.23
5.3.60.0930.03016.23
5.3.50.0500.05016.23
5.3.40.0430.03316.23
5.3.30.0670.03016.23
5.3.20.0330.03716.23
5.3.10.0900.02716.23
5.3.00.0330.01716.23
5.2.170.0470.03316.23
5.2.160.0500.02316.23
5.2.150.0370.03016.23
5.2.140.0470.03716.23
5.2.130.0630.03716.23
5.2.120.0470.03716.23
5.2.110.0570.03316.23
5.2.100.0500.03016.23
5.2.90.0300.02716.23
5.2.80.0370.03716.23
5.2.70.0500.03016.23
5.2.60.0500.02316.23
5.2.50.0430.03316.23
5.2.40.0370.03316.23
5.2.30.0370.02016.23
5.2.20.0230.03316.23
5.2.10.0230.03016.23
5.2.00.0400.02316.23
5.1.60.0400.02316.23
5.1.50.0170.02316.23
5.1.40.0200.02716.23
5.1.30.0500.03016.23
5.1.20.0370.02316.23
5.1.10.0000.02316.23
5.1.00.0300.02316.23
5.0.50.0100.02316.23
5.0.40.0100.01716.23
5.0.30.0100.03316.23
5.0.20.0200.01716.23
5.0.10.0230.01716.23
5.0.00.0170.02716.23
4.4.90.0400.00716.23
4.4.80.0070.01716.23
4.4.70.0130.01316.23
4.4.60.0170.01716.23
4.4.50.0300.01316.23
4.4.40.0130.02316.23
4.4.30.0170.01016.23
4.4.20.0400.01016.23
4.4.10.0070.02016.23
4.4.00.0230.02716.23
4.3.110.0330.01316.23
4.3.100.0100.01716.23
4.3.90.0170.01316.23
4.3.80.0170.02716.23
4.3.70.0300.01316.23
4.3.60.0170.01716.23
4.3.50.0170.01716.23
4.3.40.0170.02316.23
4.3.30.0130.01316.23
4.3.20.0100.03316.23
4.3.10.0070.02716.23
4.3.00.0170.01716.23

preferences:
50.42 ms | 401 KiB | 5 Q