3v4l.org

run code in 300+ PHP versions simultaneously
<?php class db_driver {} $array = new std; $encode = (serialize($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)
8.3.60.0160.00318.55
8.3.50.0060.01122.05
8.3.40.0070.00718.74
8.3.30.0110.00320.23
8.3.20.0070.00020.21
8.3.10.0080.00022.04
8.3.00.0040.00422.44
8.2.180.0120.00316.63
8.2.170.0110.00322.96
8.2.160.0030.01022.05
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0100.01026.16
8.2.120.0050.00317.97
8.2.110.0030.00622.16
8.2.100.0030.00917.78
8.2.90.0040.00419.08
8.2.80.0000.00819.25
8.2.70.0030.00617.50
8.2.60.0080.00017.90
8.2.50.0050.00518.07
8.2.40.0060.00318.16
8.2.30.0020.00517.99
8.2.20.0000.00717.57
8.2.10.0040.00417.75
8.2.00.0070.00317.62
8.1.280.0070.01125.92
8.1.270.0050.00324.66
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.16
8.1.230.0080.00419.18
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00717.53
8.1.180.0000.00918.10
8.1.170.0060.00318.49
8.1.160.0040.00418.63
8.1.150.0040.00418.38
8.1.140.0000.00717.25
8.1.130.0000.00717.76
8.1.120.0000.00717.35
8.1.110.0000.00817.29
8.1.100.0030.00417.25
8.1.90.0050.00317.18
8.1.80.0000.00717.17
8.1.70.0030.00317.28
8.1.60.0030.00617.52
8.1.50.0040.00417.45
8.1.40.0000.00717.48
8.1.30.0030.00517.55
8.1.20.0000.00817.52
8.1.10.0030.00617.41
8.1.00.0060.00317.48
8.0.300.0040.00418.77
8.0.290.0000.00717.04
8.0.280.0000.00718.38
8.0.270.0070.00017.20
8.0.260.0030.00316.81
8.0.250.0070.00017.01
8.0.240.0000.00716.95
8.0.230.0030.00316.97
8.0.220.0040.00416.85
8.0.210.0020.00516.95
8.0.200.0050.00216.79
8.0.190.0060.00316.95
8.0.180.0040.00416.85
8.0.170.0030.00316.89
8.0.160.0050.00216.89
8.0.150.0000.00716.82
8.0.140.0040.00416.85
8.0.130.0060.00013.28
8.0.120.0040.00416.82
8.0.110.0040.00416.84
8.0.100.0040.00416.99
8.0.90.0000.00716.92
8.0.80.0030.01316.91
8.0.70.0060.00316.91
8.0.60.0000.00716.69
8.0.50.0040.00416.82
8.0.30.0050.01316.97
8.0.20.0100.01217.40
8.0.10.0030.00516.89
8.0.00.0110.00916.62
7.4.330.0030.00315.01
7.4.320.0060.00016.38
7.4.300.0030.00316.43
7.4.290.0070.00016.50
7.4.280.0000.00716.45
7.4.270.0030.00316.37
7.4.260.0050.00013.32
7.4.250.0030.00616.44
7.4.240.0020.00516.37
7.4.230.0080.00016.34
7.4.220.0090.00916.62
7.4.210.0070.00816.45
7.4.200.0040.00416.63
7.4.190.0000.00716.40
7.4.160.0090.00616.39
7.4.150.0100.01317.40
7.4.140.0150.00717.86
7.4.130.0080.01016.55
7.4.120.0050.01316.32
7.4.110.0180.00616.62
7.4.100.0000.02216.42
7.4.90.0120.00716.34
7.4.80.0140.00619.39
7.4.70.0090.00616.38
7.4.60.0060.01316.32
7.4.50.0040.00416.62
7.4.40.0060.01222.77
7.4.30.0060.01416.46
7.4.00.0100.00314.90
7.3.330.0000.00513.25
7.3.320.0000.00513.24
7.3.310.0030.00316.34
7.3.300.0050.00216.23
7.3.290.0030.01116.23
7.3.280.0110.00516.29
7.3.270.0060.01017.40
7.3.260.0130.00316.26
7.3.250.0120.00916.39
7.3.240.0070.01016.25
7.3.230.0070.01016.57
7.3.210.0090.00816.34
7.3.200.0100.01019.39
7.3.190.0030.00216.32
7.3.180.0060.00916.29
7.3.170.0100.00616.43
7.3.160.0110.00516.29
7.3.120.0030.01014.73
7.2.330.0030.01316.40
7.2.320.0110.01116.27
7.2.310.0060.01116.25
7.2.300.0100.00716.40
7.2.290.0130.00316.25
7.2.80.0080.00816.58
7.2.60.0090.00616.55
7.2.00.0030.01219.01
7.1.200.0030.01015.50
7.1.100.0000.01117.98
7.1.70.0040.00817.06
7.1.60.0140.01019.43
7.1.50.0040.01816.84
7.1.00.0070.03022.44
7.0.200.0000.00916.59
7.0.140.0000.07321.98
7.0.60.0070.08019.92
7.0.50.0030.08317.88
7.0.40.0070.07720.13
7.0.30.0230.03720.16
7.0.20.0270.07020.06
7.0.10.0170.04320.08
7.0.00.0070.08320.15
5.6.280.0070.07020.88
5.6.210.0130.07320.56
5.6.200.0130.07718.14
5.6.190.0030.04720.63
5.6.180.0270.07020.46
5.6.170.0500.07320.54
5.6.160.0100.08720.52
5.6.150.0100.07018.14
5.6.140.0130.04318.16
5.6.130.0070.04018.15
5.6.120.0030.06721.12
5.6.110.0030.04020.99
5.6.100.0030.04321.00
5.6.90.0030.09020.97
5.6.80.0100.08720.54
5.6.70.0330.06020.36
5.5.350.0030.07720.32
5.5.340.0100.03318.09
5.5.330.0000.05720.13
5.5.320.0170.05720.24
5.5.310.0300.07020.24
5.5.300.0070.08017.98
5.5.290.0030.05018.08
5.5.280.0100.08320.88
5.5.270.0000.04720.84
5.5.260.0100.03720.70
5.5.250.0100.08320.70
5.5.240.0100.05720.06
5.4.450.0100.06019.47
5.4.440.0130.07319.58
5.4.430.0100.06319.63
5.4.420.0300.04019.47
5.4.410.0200.06719.18
5.4.400.0500.06018.82
5.4.390.0500.06718.48
5.4.380.0230.05318.80
5.4.370.0100.06018.76
5.4.360.0200.05018.75
5.4.350.0110.05912.01
5.4.340.0090.04612.01
5.4.320.0060.04312.49
5.4.310.0040.03912.50
5.4.300.0090.05112.49
5.4.290.0070.04912.50
5.4.280.0090.04712.39
5.4.270.0070.04112.39
5.4.260.0030.05512.39
5.4.250.0080.03812.39
5.4.240.0070.06318.79
5.4.230.0000.06318.99
5.4.220.0070.06718.93
5.4.210.0030.05319.00
5.4.200.0230.04318.84
5.4.190.0100.05018.94
5.4.180.0030.06718.93
5.4.170.0100.07018.93
5.4.160.0000.06018.96
5.4.150.0170.04319.08
5.4.140.0070.05316.59
5.4.130.0130.04716.46
5.4.120.0070.06316.53
5.4.110.0070.05316.41
5.4.100.0130.05316.41
5.4.90.0170.06016.50
5.4.80.0070.06716.47
5.4.70.0100.05316.39
5.4.60.0100.05016.39
5.4.50.0070.05316.46
5.4.40.0070.05016.54
5.4.30.0100.04716.38
5.4.20.0070.05016.38
5.4.10.0130.05016.52
5.4.00.0170.05316.04
5.3.290.0050.04412.80
5.3.280.0030.05714.42
5.3.270.0100.05714.61
5.3.260.0200.05714.67
5.3.250.0070.05014.68
5.3.240.0100.05014.68
5.3.230.0000.05714.72
5.3.220.0070.06714.46
5.3.210.0130.04714.63
5.3.200.0130.04714.64
5.3.190.0100.06014.70
5.3.180.0170.05314.54
5.3.170.0030.05714.38
5.3.160.0130.04714.64
5.3.150.0100.05014.54
5.3.140.0130.05714.73
5.3.130.0070.05314.45
5.3.120.0100.05314.53
5.3.110.0170.05714.62
5.3.100.0100.04714.19
5.3.90.0030.05714.09
5.3.80.0030.07013.84
5.3.70.0070.05314.17
5.3.60.0070.05013.97
5.3.50.0070.05313.94
5.3.40.0130.06314.11
5.3.30.0130.05313.87
5.3.20.0230.05313.77
5.3.10.0070.06313.46
5.3.00.0100.05013.71
5.2.170.0070.04711.09
5.2.160.0170.03711.14
5.2.150.0030.04311.09
5.2.140.0070.04711.12
5.2.130.0170.04311.31
5.2.120.0000.04711.08
5.2.110.0100.04011.25
5.2.100.0230.03311.07
5.2.90.0030.04311.16
5.2.80.0000.04310.98
5.2.70.0000.06311.26
5.2.60.0070.04011.10
5.2.50.0100.04011.01
5.2.40.0100.03311.15
5.2.30.0030.04710.96
5.2.20.0030.04711.11
5.2.10.0100.03710.84
5.2.00.0000.04310.67
5.1.60.0030.03310.14
5.1.50.0070.0379.91
5.1.40.0100.0309.89
5.1.30.0000.05710.28
5.1.20.0030.03710.30
5.1.10.0100.03710.13
5.1.00.0070.04010.21
5.0.50.0100.0308.59
5.0.40.0000.0408.35
5.0.30.0000.0508.20
5.0.20.0030.0278.25
5.0.10.0000.0408.40
5.0.00.0100.0478.34
4.4.90.0000.0237.49
4.4.80.0000.0237.49
4.4.70.0000.0307.49
4.4.60.0100.0177.49
4.4.50.0070.0237.49
4.4.40.0000.0477.49
4.4.30.0030.0207.49
4.4.20.0000.0237.49
4.4.10.0000.0277.49
4.4.00.0030.0377.49
4.3.110.0000.0237.49
4.3.100.0070.0177.49
4.3.90.0070.0177.49
4.3.80.0000.0407.49
4.3.70.0000.0237.49
4.3.60.0000.0307.49
4.3.50.0000.0307.49
4.3.40.0030.0477.49
4.3.30.0000.0237.49
4.3.20.0030.0207.49
4.3.10.0070.0277.49
4.3.00.0030.0207.03

preferences:
40.26 ms | 401 KiB | 5 Q