3v4l.org

run code in 300+ PHP versions simultaneously
<?php $undef; $nothing = $undef; var_dump($nothing); debug_zval_dump('nothing');

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)
8.3.40.0150.00018.54
8.3.30.0080.00818.59
8.3.20.0040.01419.99
8.3.10.0060.00323.70
8.3.00.0140.00023.74
8.2.170.0070.00722.96
8.2.160.0070.00721.97
8.2.150.0140.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00817.59
8.2.110.0030.00619.24
8.2.100.0090.00317.75
8.2.90.0040.00419.06
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0000.00717.93
8.2.50.0040.00418.07
8.2.40.0030.00621.13
8.2.30.0040.00419.66
8.2.20.0040.00417.67
8.2.10.0000.00718.03
8.2.00.0070.00018.08
8.1.270.0030.00720.38
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00623.98
8.1.230.0090.00317.64
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0070.00017.23
8.1.180.0000.00718.10
8.1.170.0000.00818.55
8.1.160.0000.00821.85
8.1.150.0000.00718.73
8.1.140.0000.00717.44
8.1.130.0000.00717.69
8.1.120.0030.00317.43
8.1.110.0030.00617.33
8.1.100.0050.00217.45
8.1.90.0050.00317.38
8.1.80.0080.00017.39
8.1.70.0000.00817.39
8.1.60.0030.00617.47
8.1.50.0050.00317.49
8.1.40.0040.00417.37
8.1.30.0000.00917.40
8.1.20.0040.00417.62
8.1.10.0030.00617.45
8.1.00.0030.00517.25
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.24
8.0.270.0050.00317.18
8.0.260.0030.00717.14
8.0.250.0070.00016.95
8.0.240.0070.00016.95
8.0.230.0060.00316.93
8.0.220.0000.00816.79
8.0.210.0030.00316.75
8.0.200.0030.00516.82
8.0.190.0040.00416.90
8.0.180.0000.00816.86
8.0.170.0040.00416.89
8.0.160.0000.00716.94
8.0.150.0030.00316.84
8.0.140.0030.00316.84
8.0.130.0060.00013.36
8.0.120.0050.00316.80
8.0.110.0020.00516.96
8.0.100.0040.00416.86
8.0.90.0000.00716.96
8.0.80.0120.00616.86
8.0.70.0040.00416.70
8.0.60.0040.00416.88
8.0.50.0040.00416.75
8.0.30.0140.00916.97
8.0.20.0050.01417.40
8.0.10.0070.00016.98
8.0.00.0100.00716.86
7.4.330.0050.00015.20
7.4.320.0030.00316.35
7.4.300.0040.00416.32
7.4.290.0000.00716.52
7.4.280.0040.00416.33
7.4.270.0030.00516.51
7.4.260.0030.00316.40
7.4.250.0000.00716.47
7.4.240.0040.00316.47
7.4.230.0040.00416.50
7.4.220.0100.01016.62
7.4.210.0060.00916.45
7.4.200.0050.00216.30
7.4.160.0060.00916.43
7.4.150.0130.01017.40
7.4.140.0140.00617.86
7.4.130.0080.00816.64
7.4.120.0120.00516.43
7.4.110.0120.00416.40
7.4.100.0070.01116.28
7.4.90.0030.01416.29
7.4.80.0140.00719.39
7.4.70.0070.01416.33
7.4.60.0070.01116.51
7.4.50.0000.00716.57
7.4.40.0060.00916.43
7.4.30.0120.00616.46
7.4.00.0120.00414.88
7.3.330.0020.00212.99
7.3.320.0000.00513.00
7.3.310.0070.00016.19
7.3.300.0000.00616.23
7.3.290.0090.00516.29
7.3.280.0100.01016.29
7.3.270.0110.01117.40
7.3.260.0140.00416.27
7.3.250.0110.00716.29
7.3.240.0140.00316.20
7.3.230.0100.00716.39
7.3.210.0090.01316.33
7.3.200.0130.00316.26
7.3.190.0060.00916.18
7.3.180.0110.00416.39
7.3.170.0070.01016.30
7.3.160.0070.01316.34
7.3.120.0060.01214.72
7.3.110.0100.00714.72
7.3.100.0080.00914.61
7.3.90.0050.00814.80
7.3.80.0030.00914.70
7.3.70.0030.01014.69
7.3.60.0070.00814.62
7.3.50.0070.00814.79
7.3.40.0080.00614.77
7.3.30.0040.01014.62
7.3.20.0050.01016.61
7.3.10.0070.00816.57
7.3.00.0060.00716.46
7.2.330.0100.00716.24
7.2.320.0100.00916.54
7.2.310.0080.00816.36
7.2.300.0030.01316.52
7.2.290.0090.00916.16
7.2.250.0070.00914.97
7.2.240.0070.01014.73
7.2.230.0040.01014.98
7.2.220.0030.00714.67
7.2.210.0090.00514.77
7.2.200.0050.00914.82
7.2.190.0070.01014.87
7.2.180.0070.00914.82
7.2.170.0060.01014.89
7.2.160.0090.00914.69
7.2.150.0100.00716.50
7.2.140.0060.00616.93
7.2.130.0040.01116.90
7.2.120.0000.01116.73
7.2.110.0030.01016.77
7.2.100.0000.01416.86
7.2.90.0030.00716.61
7.2.80.0040.01116.46
7.2.70.0100.00616.60
7.2.60.0150.00716.45
7.2.50.0060.00616.84
7.2.40.0080.00416.81
7.2.30.0030.01016.79
7.2.20.0060.00316.79
7.2.10.0040.01116.76
7.2.00.0040.00717.85
7.1.330.0070.00715.68
7.1.320.0070.00515.62
7.1.310.0040.00915.69
7.1.300.0020.01215.70
7.1.290.0050.00715.67
7.1.280.0020.00915.61
7.1.270.0090.00615.66
7.1.260.0050.01015.72
7.1.250.0060.00615.62
7.1.200.0040.00815.76
7.1.100.0070.00718.17
7.1.70.0030.00617.05
7.1.60.0070.01719.12
7.1.50.0140.01016.89
7.1.00.0030.07322.51
7.0.200.0000.00716.51
7.0.60.0030.06319.94
7.0.50.0000.04317.89
7.0.40.0100.08020.19
7.0.30.0430.05320.20
7.0.20.0270.05319.99
7.0.10.0030.04720.00
7.0.00.0130.04320.21
5.6.280.0000.06320.90
5.6.210.0030.06320.64
5.6.200.0030.04018.09
5.6.190.0070.04020.63
5.6.180.0570.06720.45
5.6.170.0330.07720.71
5.6.160.0130.03320.31
5.6.150.0070.04018.21
5.6.140.0030.03718.07
5.6.130.0030.08718.11
5.6.120.0100.07321.11
5.6.110.0100.07321.00
5.6.100.0130.03321.00
5.6.90.0070.07720.99
5.6.80.0070.08020.52
5.5.350.4270.04320.40
5.5.340.0170.06717.88
5.5.330.0130.07720.40
5.5.320.0170.04720.34
5.5.310.0330.06020.20
5.5.300.0070.08317.98
5.5.290.0030.08017.92
5.5.280.0070.07720.76
5.5.270.0070.04720.91
5.5.260.0130.07720.75
5.5.250.0000.05320.69
5.5.240.0030.03020.25
5.4.450.0100.06019.40
5.4.440.0970.06319.63
5.4.430.0930.07319.46
5.4.420.1000.05319.24
5.4.410.0700.06019.33
5.4.400.1070.04019.09
5.4.390.0900.05319.25
5.4.380.0770.05719.29
5.4.370.0900.04719.15
5.4.360.1030.05019.18
5.4.350.1070.05319.14
5.4.340.1270.06719.25
5.4.320.0800.06019.09
5.4.310.0170.06719.12
5.4.300.0100.07319.25
5.4.290.0830.04719.12
5.4.280.1070.04019.22
5.4.270.0600.05719.19
5.4.260.0670.06019.30
5.4.250.0770.05319.30
5.4.240.0070.06018.77
5.4.230.0070.05718.91
5.4.220.0900.05718.91
5.4.210.0770.05318.82
5.4.200.0930.04316.63
5.4.190.0930.05018.81
5.4.180.0830.05719.23
5.4.170.0930.10318.94
5.4.160.0970.07319.24
5.4.150.1230.04319.24
5.4.140.0830.05016.22
5.4.130.0930.05016.21
5.4.120.0670.04716.36
5.4.110.1030.03716.48
5.4.100.1000.04716.42
5.4.90.0800.05316.32
5.4.80.0870.04716.30
5.4.70.0930.05716.47
5.4.60.0500.06316.36
5.4.50.0900.04716.31
5.4.40.1070.04316.25
5.4.30.0930.05016.56
5.4.20.1000.05716.29
5.4.10.0930.04316.29
5.4.00.1030.04715.80
5.3.290.0930.05314.68
5.3.280.0800.05314.38
5.3.270.0870.06714.62
5.3.260.0730.05314.47
5.3.250.0770.06014.59
5.3.240.0770.06314.46
5.3.230.0300.05714.68
5.3.220.0270.04714.40
5.3.210.0600.05314.66
5.3.200.1230.05314.40
5.3.190.0770.05714.42
5.3.180.0800.07014.40
5.3.170.0000.06714.43
5.3.160.0570.05314.44
5.3.150.1100.05314.42
5.3.140.0830.05714.50
5.3.130.1100.04714.38
5.3.120.0970.05714.39
5.3.110.1270.06014.39
5.3.100.1000.05013.92
5.3.90.1070.05313.81
5.3.80.1130.04313.86
5.3.70.0970.07013.86
5.3.60.1070.07013.95
5.3.50.0870.06313.89
5.3.40.1200.05313.94
5.3.30.0800.05313.92
5.3.20.1030.04313.48
5.3.10.1000.06313.50
5.3.00.1100.04713.43
5.2.170.0770.04311.13
5.2.160.0900.04311.09
5.2.150.0800.04710.98
5.2.140.0370.04711.00
5.2.130.0100.03710.94
5.2.120.0100.03710.96
5.2.110.0300.04011.04
5.2.100.0930.02710.89
5.2.90.0830.03710.94
5.2.80.0770.04011.03
5.2.70.0530.04710.88
5.2.60.0470.04710.92
5.2.50.0070.04710.95
5.2.40.0030.04310.98
5.2.30.0070.04310.81
5.2.20.0500.03710.92
5.2.10.0670.03310.80
5.2.00.0600.04710.61
5.1.60.0600.03010.07
5.1.50.0500.03310.05
5.1.40.0470.0379.96
5.1.30.0530.03710.27
5.1.20.0600.04010.29
5.1.10.0470.0409.95
5.1.00.0630.03710.22
5.0.50.0370.0278.70
5.0.40.0270.0308.30
5.0.30.0330.0438.11
5.0.20.0230.0338.24
5.0.10.0270.0408.06
5.0.00.0370.0478.21
4.4.90.0370.0176.54
4.4.80.0470.0306.54
4.4.70.0330.0236.54
4.4.60.0270.0276.54
4.4.50.0270.0236.54
4.4.40.0300.0376.54
4.4.30.0370.0176.54
4.4.20.0270.0276.54
4.4.10.0270.0236.54
4.4.00.0330.0306.54
4.3.110.0400.0176.54
4.3.100.0330.0276.54
4.3.90.0400.0236.54
4.3.80.0430.0236.54
4.3.70.0270.0236.54
4.3.60.0300.0206.54
4.3.50.0270.0276.54
4.3.40.0270.0276.54
4.3.30.0200.0206.54
4.3.20.0100.0236.54
4.3.10.0170.0276.54
4.3.00.0030.0207.24

preferences:
56.41 ms | 400 KiB | 5 Q