3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo (&$val=NULL) { var_dump($val); } foo(); foo($val); foo($val = NULL); foo($val = array());

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)
8.3.60.0070.00718.68
8.3.50.0150.00321.27
8.3.40.0110.00418.88
8.3.30.0110.00420.30
8.3.20.0040.00420.09
8.3.10.0040.00421.26
8.3.00.0080.00022.39
8.2.180.0130.00716.88
8.2.170.0090.00622.96
8.2.160.0090.00522.08
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0110.00420.69
8.2.110.0060.00319.29
8.2.100.0090.00317.78
8.2.90.0040.00419.23
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0000.00818.21
8.2.30.0050.00219.30
8.2.20.0080.00017.71
8.2.10.0000.00717.70
8.2.00.0060.00317.66
8.1.280.0060.01225.92
8.1.270.0050.00323.99
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0120.00023.79
8.1.230.0040.00820.79
8.1.220.0000.00818.77
8.1.210.0060.00320.85
8.1.200.0090.00017.36
8.1.190.0040.00417.53
8.1.180.0000.00818.10
8.1.170.0000.00818.49
8.1.160.0040.00418.73
8.1.150.0040.00418.50
8.1.140.0040.00417.38
8.1.130.0000.00717.82
8.1.120.0030.00417.38
8.1.110.0000.00817.39
8.1.100.0060.00317.37
8.1.90.0040.00417.28
8.1.80.0000.00717.25
8.1.70.0000.00717.32
8.1.60.0100.00017.59
8.1.50.0020.00517.46
8.1.40.0040.00417.48
8.1.30.0030.00517.63
8.1.20.0040.00417.54
8.1.10.0040.00417.58
8.1.00.0090.00017.50
8.0.300.0060.00319.88
8.0.290.0000.00717.04
8.0.280.0070.00018.28
8.0.270.0040.00417.18
8.0.260.0030.00318.24
8.0.250.0050.00316.82
8.0.240.0050.00316.84
8.0.230.0000.00816.92
8.0.220.0020.00516.77
8.0.210.0030.00316.76
8.0.200.0030.00316.98
8.0.190.0040.00416.96
8.0.180.0030.00316.82
8.0.170.0000.00716.84
8.0.160.0030.00316.93
8.0.150.0040.00416.82
8.0.140.0000.00716.80
8.0.130.0030.00313.32
8.0.120.0000.00716.88
8.0.110.0040.00416.76
8.0.100.0080.00016.98
8.0.90.0080.00016.75
8.0.80.0150.00016.82
8.0.70.0040.00416.86
8.0.60.0040.00416.99
8.0.50.0040.00416.88
8.0.30.0100.00817.00
8.0.20.0120.00717.40
8.0.10.0040.00416.88
8.0.00.0050.01316.67
7.4.330.0030.00316.73
7.4.320.0030.00316.51
7.4.300.0000.00616.56
7.4.290.0030.00316.46
7.4.280.0030.00316.47
7.4.270.0030.00316.50
7.4.260.0030.00313.27
7.4.250.0080.00016.56
7.4.240.0040.00416.43
7.4.230.0050.00216.70
7.4.220.0060.00916.52
7.4.210.0080.00716.58
7.4.200.0000.00716.34
7.4.190.0040.00416.56
7.4.160.0090.00716.64
7.4.150.0030.01417.40
7.4.140.0070.01217.86
7.4.130.0060.01116.55
7.4.120.0100.00816.52
7.4.110.0090.00916.51
7.4.100.0100.01016.51
7.4.90.0140.00316.44
7.4.80.0070.01119.39
7.4.70.0130.00316.39
7.4.60.0170.00016.59
7.4.50.0090.00016.46
7.4.40.0030.01422.77
7.4.30.0100.00716.49
7.4.00.0070.00714.68
7.3.330.0000.00513.30
7.3.320.0030.00313.42
7.3.310.0040.00416.34
7.3.300.0040.00416.40
7.3.290.0060.00916.38
7.3.280.0090.00816.37
7.3.270.0190.01317.40
7.3.260.0110.00818.24
7.3.250.0090.00916.47
7.3.240.0150.00416.36
7.3.230.0110.00516.39
7.3.210.0120.01016.41
7.3.200.0090.01419.39
7.3.190.0080.00816.41
7.3.180.0120.00316.34
7.3.170.0100.00716.41
7.3.160.0060.01516.34
7.3.120.0000.01814.89
7.3.10.0150.00716.25
7.3.00.0150.00916.29
7.2.330.0130.00716.59
7.2.320.0090.00916.39
7.2.310.0100.01016.59
7.2.300.0170.00716.55
7.2.290.0030.01316.41
7.2.130.0130.01016.10
7.2.120.0200.00316.21
7.2.110.0110.01116.27
7.2.100.0230.00816.45
7.2.90.0190.00916.30
7.2.80.0130.00016.17
7.2.70.0240.01016.45
7.2.60.0130.01016.79
7.2.50.0250.00916.40
7.2.40.0120.00916.35
7.2.30.0210.00716.51
7.2.20.0130.00016.09
7.2.10.0100.01016.43
7.2.00.0080.01217.96
7.1.250.0220.00315.37
7.1.200.0030.00715.69
7.1.100.0040.00717.94
7.1.70.0070.00417.18
7.1.60.0030.00819.17
7.1.50.0240.01434.89
7.1.00.0000.03722.45
7.0.200.0070.00016.82
7.0.140.0030.07322.06
7.0.70.4600.04319.89
7.0.60.0030.04720.03
7.0.50.0100.07317.84
7.0.40.0070.04019.96
7.0.30.0600.06720.23
7.0.20.0230.03320.09
7.0.10.0230.05020.38
7.0.00.0070.05320.32
5.6.280.0030.07321.04
5.6.210.0000.06320.64
5.6.200.0030.08718.18
5.6.190.0070.04020.41
5.6.180.0000.04720.30
5.6.170.0230.04320.46
5.6.160.0070.04020.57
5.6.150.0100.07718.28
5.6.140.0030.08318.27
5.6.130.0070.08718.19
5.6.120.0100.05320.98
5.6.110.0030.06721.12
5.6.100.0130.07020.98
5.6.90.0030.09320.98
5.6.80.0130.06320.52
5.6.70.0200.08720.38
5.5.350.0000.07020.43
5.5.340.0070.06317.97
5.5.330.0030.04320.46
5.5.320.0070.04020.43
5.5.310.0300.07020.30
5.5.300.0100.06318.08
5.5.290.0130.07018.08
5.5.280.0070.08320.77
5.5.270.0100.08320.95
5.5.260.0170.07720.89
5.5.250.0170.06720.62
5.5.240.0170.05320.29
5.4.450.0300.04019.52
5.4.440.0330.04319.29
5.4.430.0330.03719.38
5.4.420.0400.04719.55
5.4.410.0370.04719.16
5.4.400.0400.03718.97
5.4.390.0530.06319.23
5.4.380.0470.07018.93
5.4.370.0430.06019.16
5.4.360.0470.04019.19
5.4.350.0370.03719.13
5.4.340.0470.06019.22
5.4.320.0400.07319.06
5.4.310.0300.04319.22
5.4.300.0530.03719.04
5.4.290.0430.06319.22
5.4.280.0470.06319.13
5.4.270.0330.05019.04
5.4.260.0370.06719.24
5.4.250.0300.05019.18
5.4.240.0400.05719.18
5.4.230.0430.06319.09
5.4.220.0500.05019.15
5.4.210.0470.06319.18
5.4.200.0500.04718.92
5.4.190.0470.06318.95
5.4.180.0430.05719.05
5.4.170.0530.06318.95
5.4.160.0530.05319.11
5.4.150.0500.06019.09
5.4.140.0430.04716.53
5.4.130.0370.05316.46
5.4.120.0430.07016.25
5.4.110.0470.05016.50
5.4.100.0530.05716.32
5.4.90.0400.04316.51
5.4.80.0530.05016.44
5.4.70.0430.06016.46
5.4.60.0400.06716.54
5.4.50.0400.03716.38
5.4.40.0530.05716.55
5.4.30.0330.04016.41
5.4.20.0500.05716.54
5.4.10.0400.06716.45
5.4.00.0430.04315.70
5.3.290.0400.03314.70
5.3.280.0400.04014.67
5.3.270.0470.04714.60
5.3.260.0430.06714.64
5.3.250.0500.04314.64
5.3.240.0500.06714.61
5.3.230.0630.03314.67
5.3.220.0500.04314.64
5.3.210.0630.03014.59
5.3.200.0500.05714.60
5.3.190.0430.03714.73
5.3.180.0400.05314.61
5.3.170.0430.06714.48
5.3.160.0500.05014.58
5.3.150.0470.06314.61
5.3.140.0470.06714.55
5.3.130.0330.04014.55
5.3.120.0470.04314.55
5.3.110.0470.03314.55
5.3.100.0470.03013.96
5.3.90.0330.03714.02
5.3.80.0370.03714.17
5.3.70.0500.04014.03
5.3.60.0430.05714.00
5.3.50.0330.04713.99
5.3.40.0400.05013.93
5.3.30.0400.03313.90
5.3.20.0500.05313.73
5.3.10.0470.06013.68
5.3.00.0400.03713.71
5.2.170.0400.05311.18
5.2.160.0330.03311.30
5.2.150.0370.03711.20
5.2.140.0400.04011.20
5.2.130.0330.02711.07
5.2.120.0330.05311.05
5.2.110.0430.05311.00
5.2.100.0430.04310.99
5.2.90.0400.04711.10
5.2.80.0370.05311.14
5.2.70.0300.04311.05
5.2.60.0430.03310.97
5.2.50.0330.05710.96
5.2.40.0300.02711.00
5.2.30.0300.04311.00
5.2.20.0330.03011.00
5.2.10.0300.03010.83
5.2.00.0300.02310.77
5.1.60.0200.02710.05
5.1.50.0270.0379.90
5.1.40.0300.04010.04
5.1.30.0330.04010.48
5.1.20.0330.05010.39
5.1.10.0270.05310.21
5.1.00.0370.04710.21
5.0.50.0200.0408.59
5.0.40.0170.0408.31
5.0.30.0200.0578.17
5.0.20.0100.0338.37
5.0.10.0230.0178.23
5.0.00.0200.0578.30
4.4.90.0170.0307.54
4.4.80.0200.0307.54
4.4.70.0170.0337.54
4.4.60.0170.0177.54
4.4.50.0200.0177.54
4.4.40.0270.0277.54
4.4.30.0170.0177.54
4.4.20.0230.0277.54
4.4.10.0200.0277.54
4.4.00.0230.0437.54
4.3.110.0170.0337.54
4.3.100.0100.0307.54
4.3.90.0200.0107.54
4.3.80.0200.0407.54
4.3.70.0170.0307.54
4.3.60.0200.0307.54
4.3.50.0170.0307.54
4.3.40.0130.0237.54
4.3.30.0100.0237.54
4.3.20.0070.0337.54
4.3.10.0100.0237.54
4.3.00.0070.0177.54

preferences:
66.63 ms | 401 KiB | 5 Q