3v4l.org

run code in 300+ PHP versions simultaneously
<?php $qq = serialize(array("aaa", "bbbb")); $ww = unserialize($qq); var_dump($qq);

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)
8.3.40.0070.01018.55
8.3.30.0080.00820.21
8.3.20.0040.00420.16
8.3.10.0000.00721.95
8.3.00.0030.00622.39
8.2.170.0120.00622.96
8.2.160.0070.00722.30
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0080.00020.59
8.2.110.0050.00522.30
8.2.100.0040.00817.72
8.2.90.0040.00419.23
8.2.80.0000.00819.27
8.2.70.0000.01017.50
8.2.60.0000.00918.04
8.2.50.0040.00418.07
8.2.40.0080.00018.09
8.2.30.0030.00319.35
8.2.20.0070.00017.46
8.2.10.0000.00717.71
8.2.00.0030.00617.48
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0000.00928.09
8.1.240.0030.00623.80
8.1.230.0120.00019.16
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0110.00017.22
8.1.190.0040.00417.55
8.1.180.0080.00018.89
8.1.170.0060.00318.51
8.1.160.0070.00418.82
8.1.150.0060.00318.57
8.1.140.0020.00517.44
8.1.130.0000.00917.82
8.1.120.0070.00017.30
8.1.110.0050.00317.26
8.1.100.0040.00417.28
8.1.90.0060.00317.42
8.1.80.0080.00017.44
8.1.70.0000.00717.26
8.1.60.0040.00417.52
8.1.50.0040.00417.43
8.1.40.0060.00317.45
8.1.30.0030.00517.55
8.1.20.0060.00317.54
8.1.10.0080.00017.28
8.1.00.0000.01017.39
8.0.300.0000.00718.77
8.0.290.0060.00317.18
8.0.280.0000.00818.38
8.0.270.0030.00317.20
8.0.260.0000.00616.80
8.0.250.0030.00316.94
8.0.240.0090.00016.98
8.0.230.0080.00016.83
8.0.220.0000.00716.86
8.0.210.0080.00016.94
8.0.200.0000.00616.83
8.0.190.0070.00017.00
8.0.180.0000.00816.93
8.0.170.0000.00716.96
8.0.160.0000.00716.91
8.0.150.0040.00416.84
8.0.140.0040.00416.73
8.0.130.0000.00513.32
8.0.120.0000.00916.88
8.0.110.0070.00016.92
8.0.100.0070.00016.70
8.0.90.0000.00716.77
8.0.80.0000.01616.88
8.0.70.0040.00416.77
8.0.60.0000.00716.81
8.0.50.0000.00716.70
8.0.30.0100.01017.10
8.0.20.0140.00517.40
8.0.10.0030.00517.00
8.0.00.0110.01116.61
7.4.330.0030.00315.00
7.4.320.0000.00616.47
7.4.300.0060.00016.39
7.4.290.0000.00616.34
7.4.280.0050.00516.34
7.4.270.0030.00416.34
7.4.260.0030.00313.13
7.4.250.0050.00316.48
7.4.240.0040.00316.46
7.4.230.0030.00316.63
7.4.220.0000.01816.39
7.4.210.0080.00716.49
7.4.200.0030.00316.54
7.4.190.0040.00416.43
7.4.160.0000.01516.34
7.4.150.0200.00617.40
7.4.140.0120.00817.86
7.4.130.0110.00516.51
7.4.120.0110.00916.32
7.4.110.0090.00916.52
7.4.100.0080.00816.47
7.4.90.0140.00716.30
7.4.80.0100.00619.39
7.4.70.0030.01216.51
7.4.60.0040.01416.40
7.4.50.0030.00616.41
7.4.40.0060.00622.77
7.4.30.0050.01316.26
7.4.00.0080.00414.86
7.3.330.0050.00013.08
7.3.320.0000.00613.05
7.3.310.0000.00715.98
7.3.300.0030.00316.03
7.3.290.0070.00716.09
7.3.280.0070.01016.14
7.3.270.0110.01117.40
7.3.260.0100.00716.17
7.3.250.0110.00816.11
7.3.240.0030.01516.38
7.3.230.0090.00916.39
7.3.210.0090.00616.34
7.3.200.0090.00619.39
7.3.190.0080.00816.27
7.3.180.0090.00916.17
7.3.170.0090.00916.27
7.3.160.0060.01016.56
7.3.120.0030.00914.53
7.3.10.0040.00716.59
7.3.00.0030.00816.57
7.2.330.0000.01716.66
7.2.320.0130.00416.64
7.2.310.0030.01316.36
7.2.300.0110.01116.26
7.2.290.0120.00416.60
7.2.130.0040.00716.63
7.2.120.0030.00916.63
7.2.110.0060.00916.52
7.2.100.0000.01316.67
7.2.90.0060.00616.69
7.2.80.0040.00816.80
7.2.70.0040.00716.50
7.2.60.0080.00316.69
7.2.50.0070.00716.68
7.2.40.0060.00916.88
7.2.30.0070.01016.61
7.2.20.0130.00016.90
7.2.10.0030.00616.66
7.2.00.0060.00916.72
7.1.250.0040.00815.61
7.1.200.0070.00715.71
7.1.70.0080.00017.11
7.1.60.0100.01319.32
7.1.50.0090.00916.89
7.1.00.0000.03722.51
7.0.200.0030.00316.85
7.0.140.0070.06322.09
7.0.100.0100.08319.96
7.0.90.0030.08319.97
7.0.80.0070.05719.86
7.0.70.0130.07319.92
7.0.60.0070.07719.86
7.0.50.0100.08020.34
7.0.40.0070.08720.11
7.0.30.0130.07020.10
7.0.20.0000.07320.04
7.0.10.0030.08020.07
7.0.00.0100.07720.10
5.6.280.0000.07720.98
5.6.250.0070.08720.59
5.6.240.0000.05320.49
5.6.230.0100.07720.66
5.6.220.0100.08020.67
5.6.210.0100.08020.56
5.6.200.0100.08721.08
5.6.190.0200.06720.96
5.6.180.0130.08021.16
5.6.170.0100.05721.10
5.6.160.0130.08020.91
5.6.150.0030.06320.95
5.6.140.0000.09021.01
5.6.130.0000.08021.07
5.6.120.0200.07021.03
5.6.110.0130.07721.00
5.6.100.0030.08320.96
5.6.90.0030.09321.03
5.6.80.0130.06720.42
5.6.70.0030.05020.51
5.6.60.0170.07720.40
5.6.50.0030.08020.34
5.6.40.0030.08320.43
5.6.30.0170.07020.39
5.6.20.0170.07020.52
5.6.10.0170.06320.31
5.6.00.0030.08720.50
5.5.380.0130.07720.49
5.5.370.0030.05320.35
5.5.360.0130.08020.43
5.5.350.0130.07020.44
5.5.340.0100.07720.89
5.5.330.0200.07020.77
5.5.320.0070.07720.86
5.5.310.0030.08720.79
5.5.300.0070.05020.82
5.5.290.0170.05020.88
5.5.280.0070.08320.88
5.5.270.0170.07320.72
5.5.260.0170.07720.76
5.5.250.0100.07020.73
5.5.240.0100.07720.14
5.5.230.0030.08020.14
5.5.220.0170.06720.24
5.5.210.0070.07720.19
5.5.200.0130.07720.23
5.5.190.0200.06720.23
5.5.180.0130.07720.27
5.5.160.0030.07320.18
5.5.150.0130.06320.12
5.5.140.0070.04720.23
5.5.130.0070.07720.17
5.5.120.0000.08320.26
5.5.110.0070.09019.98
5.5.100.0130.07320.16
5.5.90.0200.06720.07
5.5.80.0030.08020.16
5.5.70.0100.07320.16
5.5.60.0100.07020.08
5.5.50.0030.07020.13
5.5.40.0030.04720.04
5.5.30.0100.06720.13
5.5.20.0030.05020.00
5.5.10.0130.07320.00
5.5.00.0100.07019.95
5.4.450.0070.05319.56
5.4.440.0100.07319.56
5.4.430.0100.05719.11
5.4.420.0030.07719.14
5.4.410.0070.07719.27
5.4.400.0000.08019.03
5.4.390.0000.08719.07
5.4.380.0130.06719.07
5.4.370.0070.07318.98
5.4.360.0030.05718.96
5.4.350.0030.04719.03
5.4.340.0000.08719.03
5.4.320.0200.06019.00
5.4.310.0100.07319.04
5.4.300.0070.07019.07
5.4.290.0130.07019.03
5.4.280.0130.07019.13
5.4.270.0070.07019.06
5.4.260.0030.07719.03
5.4.250.0130.07718.94
5.4.240.0070.08019.02
5.4.230.0070.07318.91
5.4.220.0000.07319.02
5.4.210.0030.08319.03
5.4.200.0030.08018.78
5.4.190.0070.08019.04
5.4.180.0100.07018.95
5.4.170.0130.07319.11
5.4.160.0030.06719.01
5.4.150.0070.07719.11
5.4.140.0130.07016.32
5.4.130.0130.06716.32
5.4.120.0070.07316.32
5.4.110.0030.08016.26
5.4.100.0130.06716.21
5.4.90.0100.07316.45
5.4.80.0030.07316.42
5.4.70.0070.07016.25
5.4.60.0130.04316.19
5.4.50.0100.06716.22
5.4.40.0070.07316.43
5.4.30.0100.07016.28
5.4.20.0170.06016.31
5.4.10.0200.06016.23
5.4.00.0030.07315.71
5.3.290.0030.08014.63
5.3.280.0100.06714.55
5.3.270.0070.07314.60
5.3.260.0000.08314.55
5.3.250.0070.07714.55
5.3.240.0000.08714.58
5.3.230.0100.06714.45
5.3.220.0100.07014.41
5.3.210.0070.07714.55
5.3.200.0130.07314.39
5.3.190.0000.07714.50
5.3.180.0030.08314.42
5.3.170.0100.07014.56
5.3.160.0070.07014.56
5.3.150.0100.07014.42
5.3.140.0130.04314.51
5.3.130.0030.06014.54
5.3.120.0030.08014.37
5.3.110.0170.06314.51
5.3.100.0070.07314.00
5.3.90.0000.06014.00
5.3.80.0070.07014.01
5.3.70.0100.06714.00
5.3.60.0070.07014.00
5.3.50.0130.03314.00
5.3.40.0130.06314.00
5.3.30.0100.07014.00
5.3.20.0000.07714.00
5.3.10.0070.05714.00
5.3.00.0030.07714.00
5.2.170.0030.06714.00
5.2.160.0130.05314.00
5.2.150.0000.06314.00
5.2.140.0100.05714.00
5.2.130.0070.06014.00
5.2.120.0030.06314.00
5.2.110.0030.06714.00
5.2.100.0100.05714.00
5.2.90.0070.04314.00
5.2.80.0070.05714.00
5.2.70.0030.06314.00
5.2.60.0070.06014.00
5.2.50.0070.06014.00
5.2.40.0030.05014.00
5.2.30.0030.06314.00
5.2.20.0000.05014.00
5.2.10.0070.04314.00
5.2.00.0130.05014.00
5.1.60.0100.04714.00
5.1.50.0100.04314.00
5.1.40.0000.06014.00
5.1.30.0070.05314.00
5.1.20.0030.05714.00
5.1.10.0070.04014.00
5.1.00.0070.05314.00
5.0.50.0030.04714.00
5.0.40.0030.03014.00
5.0.30.0000.06014.00
5.0.20.0000.04314.00
5.0.10.0000.04314.00
5.0.00.0070.05714.00
4.4.90.0030.03714.00
4.4.80.0030.03314.00
4.4.70.0000.03714.00
4.4.60.0100.02714.00
4.4.50.0100.01714.00
4.4.40.0030.04714.00
4.4.30.0030.03714.00
4.4.20.0070.02714.00
4.4.10.0030.03314.00
4.4.00.0030.05714.00
4.3.110.0130.02714.00
4.3.100.0000.03714.00
4.3.90.0030.02314.00
4.3.80.0030.05014.00
4.3.70.0100.02714.00
4.3.60.0030.03314.00
4.3.50.0030.03314.00
4.3.40.0000.03314.00
4.3.30.0000.04014.00
4.3.20.0000.03714.00
4.3.10.0030.03014.00
4.3.00.0000.03714.00

preferences:
34.26 ms | 400 KiB | 5 Q