3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Forums {} $array = new Forums; $encode = (serialize($array)); echo $encode, PHP_EOL; echo base64_encode(gzcompress($encode)), PHP_EOL, PHP_EOL, PHP_EOL;

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)
8.3.60.0090.00618.30
8.3.50.0090.00722.05
8.3.40.0170.00018.84
8.3.30.0030.01220.60
8.3.20.0040.00420.15
8.3.10.0050.00322.05
8.3.00.0000.00822.33
8.2.180.0040.01117.00
8.2.170.0140.00722.96
8.2.160.0030.01022.12
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00718.22
8.2.110.0090.00020.63
8.2.100.0090.00318.04
8.2.90.0060.00318.34
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0000.00818.05
8.2.50.0080.00318.07
8.2.40.0050.00318.28
8.2.30.0020.00518.34
8.2.20.0030.00517.84
8.2.10.0030.00617.86
8.2.00.0060.00317.89
8.1.280.0140.00025.92
8.1.270.0090.00024.66
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.12
8.1.230.0090.00321.05
8.1.220.0030.00517.79
8.1.210.0080.00019.00
8.1.200.0030.00617.35
8.1.190.0030.00517.36
8.1.180.0040.00418.10
8.1.170.0000.00918.66
8.1.160.0040.00421.99
8.1.150.0040.00518.61
8.1.140.0000.00717.55
8.1.130.0000.00818.06
8.1.120.0070.00017.48
8.1.110.0030.00517.50
8.1.100.0040.00417.47
8.1.90.0040.00417.53
8.1.80.0000.00717.51
8.1.70.0030.00317.54
8.1.60.0060.00317.57
8.1.50.0040.00417.67
8.1.40.0050.00317.62
8.1.30.0080.00017.67
8.1.20.0030.00517.82
8.1.10.0000.00917.72
8.1.00.0000.01117.64
8.0.300.0040.00420.20
8.0.290.0030.00616.63
8.0.280.0000.00718.57
8.0.270.0030.00317.43
8.0.260.0000.00717.01
8.0.250.0070.00017.16
8.0.240.0000.00817.15
8.0.230.0030.00317.00
8.0.220.0000.00716.95
8.0.210.0040.00416.97
8.0.200.0030.00316.89
8.0.190.0000.00717.09
8.0.180.0000.00717.07
8.0.170.0050.00216.93
8.0.160.0040.00416.94
8.0.150.0030.00416.91
8.0.140.0040.00416.98
8.0.130.0050.00013.38
8.0.120.0030.00616.93
8.0.110.0040.00416.96
8.0.100.0000.00716.89
8.0.90.0040.00417.03
8.0.80.0170.00016.98
8.0.70.0040.00417.07
8.0.60.0050.00317.11
8.0.50.0000.00816.91
8.0.30.0070.01216.98
8.0.20.0110.00817.40
8.0.10.0080.00017.07
8.0.00.0110.00916.94
7.4.330.0050.00015.04
7.4.320.0040.00416.53
7.4.300.0000.00616.61
7.4.290.0030.00316.60
7.4.280.0030.00316.70
7.4.270.0000.00716.70
7.4.260.0050.00013.32
7.4.250.0050.00316.57
7.4.240.0040.00416.67
7.4.230.0030.00316.80
7.4.220.0190.00616.80
7.4.210.0100.00616.66
7.4.200.0070.00016.54
7.4.190.0040.00416.84
7.4.160.0000.01616.55
7.4.150.0120.00617.40
7.4.140.0110.01017.86
7.4.130.0110.00916.45
7.4.120.0090.00816.72
7.4.110.0060.01216.70
7.4.100.0170.00616.63
7.4.90.0110.00716.46
7.4.80.0090.00919.39
7.4.70.0040.01616.51
7.4.60.0060.01316.54
7.4.50.0030.00316.55
7.4.40.0030.01322.77
7.4.30.0150.01016.62
7.4.00.0140.00515.05
7.3.330.0030.00313.25
7.3.320.0020.00213.28
7.3.310.0040.00416.41
7.3.300.0070.00016.30
7.3.290.0060.00916.43
7.3.280.0060.01016.41
7.3.270.0140.00817.40
7.3.260.0120.00416.61
7.3.250.0090.01316.58
7.3.240.0190.00016.54
7.3.230.0160.00016.41
7.3.210.0100.00716.54
7.3.200.0150.00619.39
7.3.190.0180.00316.68
7.3.180.0100.01016.45
7.3.170.0060.00916.62
7.3.160.0030.01316.52
7.3.120.0050.01015.04
7.3.110.0070.01014.93
7.3.100.0060.00714.78
7.3.90.0070.00614.97
7.3.80.0040.00715.00
7.3.70.0040.01115.04
7.3.60.0050.00814.85
7.3.50.0060.01014.95
7.3.40.0080.00314.88
7.3.30.0020.01314.87
7.3.20.0030.01016.59
7.3.10.0060.00816.57
7.3.00.0000.01316.60
7.2.330.0170.00016.83
7.2.320.0080.00816.94
7.2.310.0110.00616.80
7.2.300.0070.01016.81
7.2.290.0060.01616.64
7.2.250.0120.00615.00
7.2.240.0090.00715.17
7.2.230.0030.01015.20
7.2.220.0020.01415.16
7.2.210.0110.00515.01
7.2.200.0030.01015.09
7.2.190.0110.00414.98
7.2.180.0110.00315.15
7.2.170.0040.01215.14
7.2.160.0040.00714.95
7.2.150.0100.00316.77
7.2.140.0030.01016.75
7.2.130.0000.01717.00
7.2.120.0120.00316.96
7.2.110.0060.00616.72
7.2.100.0000.01516.87
7.2.90.0040.01216.77
7.2.80.0080.00617.08
7.2.70.0030.00917.06
7.2.60.0000.01616.82
7.2.50.0040.00717.02
7.2.40.0000.01417.02
7.2.30.0110.00416.86
7.2.20.0000.01016.93
7.2.10.0030.01317.07
7.2.00.0050.01018.06
7.1.330.0050.00915.71
7.1.320.0070.00715.81
7.1.310.0020.01315.71
7.1.300.0070.00715.80
7.1.290.0050.00715.65
7.1.280.0050.00715.85
7.1.270.0050.01015.59
7.1.260.0080.00315.81
7.1.250.0060.00615.57
7.1.100.0110.00718.27
7.1.70.0000.00717.31
7.1.60.0110.01419.43
7.1.50.0000.01116.87
7.1.00.0000.04322.32
7.0.200.0040.00416.71
7.0.140.0070.07021.97
7.0.60.0100.07020.21
7.0.50.0130.07318.06
7.0.40.0100.08320.42
7.0.30.0400.07020.36
7.0.20.0230.07720.21
7.0.10.0200.04320.17
7.0.00.0070.05020.07
5.6.280.0030.07721.09
5.6.210.0030.05320.79
5.6.200.0000.07018.36
5.6.190.0070.04020.59
5.6.180.0300.03320.62
5.6.170.0500.06320.53
5.6.160.0100.06320.57
5.6.150.0100.06318.34
5.6.140.0100.05018.32
5.6.130.0070.04018.35
5.6.120.0070.06021.16
5.6.110.0000.04321.30
5.6.100.0030.04321.30
5.6.90.0030.08321.27
5.6.80.0200.06720.54
5.6.70.0270.08020.69
5.5.350.0070.06720.57
5.5.340.0030.04018.09
5.5.330.0070.05020.60
5.5.320.0300.06720.30
5.5.310.0300.07320.39
5.5.300.0170.07018.11
5.5.290.0070.08018.15
5.5.280.0070.07020.97
5.5.270.0030.04021.14
5.5.260.0130.08321.02
5.5.250.0070.08020.75
5.5.240.0070.08020.33
5.4.450.0330.04019.31
5.4.440.0400.06319.63
5.4.430.0100.06319.43
5.4.420.0230.05719.61
5.4.410.0300.04019.50
5.4.400.1030.05718.83
5.4.390.1500.04318.89
5.4.380.0330.05018.65
5.4.370.0170.05318.66
5.4.360.0130.05318.91
5.4.350.0210.04212.19
5.4.340.0210.04512.19
5.4.320.0070.04112.68
5.4.310.0080.04912.67
5.4.300.0090.04612.67
5.4.290.0100.03612.67
5.4.280.0050.03612.56
5.4.270.0060.03812.57
5.4.260.0060.03912.57
5.4.250.0050.03812.57
5.4.240.0130.07318.88
5.4.230.0100.05718.88
5.4.220.0070.05718.99
5.4.210.0130.06319.07
5.4.200.0200.06019.08
5.4.190.0170.04318.95
5.4.180.0070.05318.99
5.4.170.0030.05718.98
5.4.160.0100.06718.86
5.4.150.0030.06718.85
5.4.140.0170.04316.47
5.4.130.0070.05016.50
5.4.120.0100.05316.56
5.4.110.0070.05316.63
5.4.100.0130.05016.48
5.4.90.0070.05016.48
5.4.80.0170.06016.65
5.4.70.0070.05016.48
5.4.60.0170.04316.61
5.4.50.0070.05016.52
5.4.40.0070.05316.51
5.4.30.0200.06016.49
5.4.20.0100.05316.60
5.4.10.0200.05016.51
5.4.00.0100.05016.06
5.3.290.0090.04012.86
5.3.280.0070.05314.71
5.3.270.0070.07714.61
5.3.260.0170.04314.61
5.3.250.0130.06014.88
5.3.240.0100.05314.89
5.3.230.0100.06014.72
5.3.220.0030.05714.57
5.3.210.0130.06014.74
5.3.200.0130.04314.69
5.3.190.0170.05014.66
5.3.180.0070.06314.73
5.3.170.0170.06014.75
5.3.160.0100.07314.65
5.3.150.0200.06714.64
5.3.140.0100.04714.72
5.3.130.0100.07314.63
5.3.120.0100.05714.67
5.3.110.0100.05714.73
5.3.100.0130.06314.30
5.3.90.0000.08014.11
5.3.80.0100.05014.21
5.3.70.0130.04714.12
5.3.60.0130.05014.18
5.3.50.0130.04314.27
5.3.40.0070.07313.95
5.3.30.0000.05314.03
5.3.20.0100.04713.63
5.3.10.0170.05713.75
5.3.00.0030.05313.96
5.2.170.0070.05711.22
5.2.160.0200.03011.46
5.2.150.0100.04011.47
5.2.140.0070.05011.41
5.2.130.0100.04311.21
5.2.120.0070.04311.28
5.2.110.0100.04011.37
5.2.100.0070.04011.37
5.2.90.0100.03711.03
5.2.80.0100.05711.27
5.2.70.0070.05311.09
5.2.60.0070.04011.33
5.2.50.0100.03311.21
5.2.40.0100.05011.16
5.2.30.0130.03311.16
5.2.20.0030.04011.04
5.2.10.0030.04011.04
5.2.00.0230.03711.00
5.1.60.0030.05310.12
5.1.50.0100.0409.82
5.1.40.0030.03710.07
5.1.30.0000.05310.44
5.1.20.0070.03310.34
5.1.10.0000.04710.05
5.1.00.0000.04710.25
5.0.50.0000.0308.61
5.0.40.0000.0308.36
5.0.30.0030.0438.20
5.0.20.0030.0278.32
5.0.10.0070.0238.19
5.0.00.0070.0378.25
4.4.90.0030.0207.50
4.4.80.0030.0207.50
4.4.70.0030.0207.50
4.4.60.0000.0237.50
4.4.50.0070.0277.50
4.4.40.0070.0307.50
4.4.30.0030.0207.50
4.4.20.0000.0237.50
4.4.10.0000.0237.50
4.4.00.0030.0377.50
4.3.110.0030.0207.50
4.3.100.0070.0177.50
4.3.90.0030.0207.50
4.3.80.0030.0307.50
4.3.70.0030.0207.50
4.3.60.0000.0237.50
4.3.50.0000.0237.50
4.3.40.0070.0307.50
4.3.30.0000.0237.50
4.3.20.0000.0237.50
4.3.10.0130.0207.50
4.3.00.0070.0207.03

preferences:
53.44 ms | 401 KiB | 5 Q