3v4l.org

run code in 300+ PHP versions simultaneously
<?php class db_driver {} $array = "aaa"; $encode = (serialize($array)); echo $encode, PHP_EOL; echo base64_encode(gzcompress($encode)), PHP_EOL, PHP_EOL, PHP_EOL; var_dump(unserialize(stripslashes($encode)));

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)
8.3.60.0130.00618.30
8.3.50.0090.00821.90
8.3.40.0110.00418.76
8.3.30.0070.00720.51
8.3.20.0040.00420.41
8.3.10.0080.00022.08
8.3.00.0040.00422.40
8.2.180.0130.00616.63
8.2.170.0110.00322.96
8.2.160.0130.00622.27
8.2.150.0000.00724.18
8.2.140.0060.01024.66
8.2.130.0130.00726.16
8.2.120.0040.00418.34
8.2.110.0030.00722.06
8.2.100.0000.01118.03
8.2.90.0050.00319.53
8.2.80.0030.00619.55
8.2.70.0000.00817.75
8.2.60.0070.00018.05
8.2.50.0060.00318.07
8.2.40.0000.00818.22
8.2.30.0050.00218.20
8.2.20.0030.00517.80
8.2.10.0050.00317.78
8.2.00.0050.00517.88
8.1.280.0140.00425.92
8.1.270.0080.00024.66
8.1.260.0170.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.10
8.1.230.0070.00319.22
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0000.00817.55
8.1.180.0030.00618.10
8.1.170.0030.00518.63
8.1.160.0050.00218.89
8.1.150.0070.00018.72
8.1.140.0080.00017.54
8.1.130.0070.00017.94
8.1.120.0070.00017.49
8.1.110.0040.00417.45
8.1.100.0000.00817.61
8.1.90.0000.00717.57
8.1.80.0000.00717.55
8.1.70.0000.00717.46
8.1.60.0050.00317.64
8.1.50.0040.00417.61
8.1.40.0030.00617.64
8.1.30.0040.00417.68
8.1.20.0030.00517.68
8.1.10.0000.00817.54
8.1.00.0040.00817.61
8.0.300.0070.00018.77
8.0.290.0000.00817.30
8.0.280.0000.00718.60
8.0.270.0080.00017.37
8.0.260.0000.00716.86
8.0.250.0070.00017.00
8.0.240.0000.00717.00
8.0.230.0030.00317.07
8.0.220.0040.00416.87
8.0.210.0000.00816.90
8.0.200.0070.00017.06
8.0.190.0000.00917.04
8.0.180.0000.00716.98
8.0.170.0080.00017.06
8.0.160.0040.00416.90
8.0.150.0030.00416.82
8.0.140.0030.00516.98
8.0.130.0000.00613.50
8.0.120.0060.00316.93
8.0.110.0030.00616.94
8.0.100.0000.00816.86
8.0.90.0070.00016.88
8.0.80.0120.00617.05
8.0.70.0000.00717.05
8.0.60.0070.00016.99
8.0.50.0030.00616.88
8.0.30.0060.01717.11
8.0.20.0110.00817.40
8.0.10.0040.00417.14
8.0.00.0080.01216.99
7.4.330.0000.00615.10
7.4.320.0030.00316.70
7.4.300.0030.00316.59
7.4.290.0000.00716.53
7.4.280.0000.00716.67
7.4.270.0070.00016.53
7.4.260.0000.00513.36
7.4.250.0040.00416.55
7.4.240.0040.00416.60
7.4.230.0030.00316.80
7.4.220.0110.00716.63
7.4.210.0080.00716.71
7.4.200.0040.00416.73
7.4.190.0030.00516.75
7.4.160.0200.00316.66
7.4.150.0190.00617.40
7.4.140.0070.01317.86
7.4.130.0110.01016.59
7.4.120.0050.01516.60
7.4.110.0070.01016.62
7.4.100.0100.01016.66
7.4.90.0160.00616.71
7.4.80.0100.01019.39
7.4.70.0080.00816.78
7.4.60.0060.01216.41
7.4.50.0030.00516.38
7.4.40.0070.00722.77
7.4.30.0150.00316.59
7.4.00.0060.01015.03
7.3.330.0000.00513.39
7.3.320.0000.00613.41
7.3.310.0000.00716.26
7.3.300.0060.00016.38
7.3.290.0030.01116.31
7.3.280.0070.00916.42
7.3.270.0100.00717.40
7.3.260.0040.01216.74
7.3.250.0100.00816.44
7.3.240.0100.01016.72
7.3.230.0030.01516.75
7.3.210.0180.00016.83
7.3.200.0030.01719.39
7.3.190.0040.01516.41
7.3.180.0060.00916.38
7.3.170.0090.00616.31
7.3.160.0100.00716.80
7.3.120.0030.01414.99
7.3.10.0000.01016.72
7.3.00.0030.01116.70
7.2.330.0080.00816.80
7.2.320.0150.00916.89
7.2.310.0100.00716.55
7.2.300.0130.00316.68
7.2.290.0090.00616.65
7.2.130.0100.00716.81
7.2.120.0040.01116.78
7.2.110.0000.01216.88
7.2.100.0030.01416.93
7.2.90.0030.00617.00
7.2.80.0110.00817.06
7.2.70.0090.00316.67
7.2.60.0120.00317.03
7.2.50.0040.00416.52
7.2.40.0140.00016.66
7.2.30.0030.01117.05
7.2.20.0100.00716.66
7.2.10.0100.00716.74
7.2.00.0050.01318.03
7.1.250.0080.00315.79
7.1.240.0040.01115.94
7.1.230.0100.01015.62
7.1.220.0090.00615.75
7.1.210.0100.00715.84
7.1.200.0130.00015.96
7.1.190.0070.00715.50
7.1.180.0150.00415.59
7.1.170.0100.00315.93
7.1.160.0060.00615.65
7.1.150.0070.00715.77
7.1.140.0090.00615.50
7.1.130.0000.00915.83
7.1.120.0120.00315.80
7.1.110.0120.00615.97
7.1.100.0100.00816.85
7.1.90.0030.00915.77
7.1.80.0000.01115.68
7.1.70.0020.00716.31
7.1.60.0090.00917.56
7.1.50.0050.00716.46
7.1.40.0110.00716.02
7.1.30.0070.00715.80
7.1.20.0070.00415.90
7.1.10.0030.00915.66
7.1.00.0030.02819.12
7.0.330.0100.00315.39
7.0.320.0040.00815.23
7.0.310.0040.00415.06
7.0.300.0060.00615.33
7.0.290.0080.00815.21
7.0.280.0060.00615.36
7.0.270.0100.00515.32
7.0.260.0030.01315.28
7.0.250.0130.00315.54
7.0.240.0110.00815.24
7.0.230.0100.00315.39
7.0.220.0070.00315.35
7.0.210.0050.00515.30
7.0.200.0040.01116.09
7.0.190.0120.00415.52
7.0.180.0130.00815.18
7.0.170.0030.00915.60
7.0.160.0000.01115.56
7.0.150.0110.00415.58
7.0.140.0030.04218.74
7.0.130.0070.00715.31
7.0.120.0090.00615.57
7.0.110.0060.00615.48
7.0.100.0000.01615.52
7.0.90.0000.01215.36
7.0.80.0030.01315.09
7.0.70.0030.01515.61
7.0.60.0100.04017.78
7.0.50.0050.02916.72
7.0.40.0100.03416.75
7.0.30.0210.02616.77
7.0.20.0140.04416.79
7.0.10.0060.02816.74
7.0.00.0020.05216.80
5.6.380.0100.00714.64
5.6.370.0080.00614.36
5.6.360.0090.00614.24
5.6.350.0100.00714.65
5.6.340.0030.00714.11
5.6.330.0060.00614.27
5.6.320.0090.00614.48
5.6.310.0080.00814.64
5.6.300.0100.00614.68
5.6.290.0070.01014.63
5.6.280.0060.04117.84
5.6.270.0120.00314.43
5.6.260.0000.01614.56
5.6.250.0090.00614.19
5.6.240.0040.01114.19
5.6.230.0060.00914.36
5.6.220.0030.01314.45
5.6.210.0060.02217.52
5.6.200.0050.05016.43
5.6.190.0100.02117.49
5.6.180.0200.02317.38
5.6.170.0290.03817.51
5.6.160.0060.04717.50
5.6.150.0080.02816.31
5.6.140.0090.04316.21
5.6.130.0150.03416.25
5.6.120.0080.04617.81
5.6.110.0060.02517.78
5.6.100.0010.02917.88
5.6.90.0060.03417.87
5.6.80.0110.03317.37
5.6.70.0180.04217.45
5.6.60.0040.01214.52
5.6.50.0100.00814.30
5.6.40.0000.01714.57
5.6.30.0100.00714.13
5.6.20.0030.00914.28
5.6.10.0030.01214.28
5.6.00.0050.00914.34
5.5.380.0060.00611.14
5.5.370.0000.01211.33
5.5.360.0000.00810.96
5.5.350.0090.03915.81
5.5.340.0040.02514.48
5.5.330.0080.04415.81
5.5.320.0240.03315.86
5.5.310.0220.02815.74
5.5.300.0070.02014.77
5.5.290.0080.04214.67
5.5.280.0070.04516.14
5.5.270.0080.02216.05
5.5.260.0050.04116.13
5.5.250.0040.04116.06
5.5.240.0090.02015.81
5.5.230.0000.01211.34
5.5.220.0030.01210.89
5.5.210.0030.01011.14
5.5.200.0060.00611.16
5.5.190.0040.00810.75
5.5.180.0090.00311.00
5.5.170.0040.00711.23
5.5.160.0030.00911.05
5.5.150.0060.00611.08
5.5.140.0060.00611.17
5.5.130.0040.00811.27
5.5.120.0030.00911.11
5.5.110.0060.00311.23
5.5.100.0090.00310.96
5.5.90.0070.00711.00
5.5.80.0000.01211.40
5.5.70.0000.01110.93
5.5.60.0080.00411.04
5.5.50.0060.00611.29
5.5.40.0000.01310.90
5.5.30.0080.00311.23
5.5.20.0080.00410.97
5.5.10.0030.00911.04
5.5.00.0060.00611.16
5.4.450.0390.03115.30
5.4.440.0170.03415.15
5.4.430.0140.03215.44
5.4.420.0170.02915.25
5.4.410.0160.02915.35
5.4.400.0220.03015.12
5.4.390.0220.03214.87
5.4.380.0120.03714.99
5.4.370.0120.02814.97
5.4.360.0180.02214.93
5.4.350.0050.02611.55
5.4.340.0070.02211.74
5.4.330.0060.00410.96
5.4.320.0100.02011.90
5.4.310.0040.03211.94
5.4.300.0090.02511.90
5.4.290.0070.02511.79
5.4.280.0040.02511.84
5.4.270.0090.01811.89
5.4.260.0080.02311.89
5.4.250.0030.03011.72
5.4.240.0050.03115.11
5.4.230.0170.03015.19
5.4.220.0100.02814.92
5.4.210.0050.03315.06
5.4.200.0050.03715.18
5.4.190.0160.03215.11
5.4.180.0030.03115.07
5.4.170.0130.02515.23
5.4.160.0120.02815.11
5.4.150.0100.02914.96
5.4.140.0080.02713.82
5.4.130.0070.03913.71
5.4.120.0050.04313.86
5.4.110.0130.02613.93
5.4.100.0090.02813.79
5.4.90.0090.02413.94
5.4.80.0020.03413.87
5.4.70.0130.02713.97
5.4.60.0110.02513.88
5.4.50.0160.02713.76
5.4.40.0150.02113.91
5.4.30.0100.03013.72
5.4.20.0050.02913.79
5.4.10.0090.03113.91
5.4.00.0100.02813.57
5.3.290.0090.02611.77
5.3.280.0120.03012.50
5.3.270.0050.02912.54
5.3.260.0110.03312.79
5.3.250.0090.02512.69
5.3.240.0050.03412.53
5.3.230.0070.02912.62
5.3.220.0090.02912.58
5.3.210.0050.03012.69
5.3.200.0070.02912.67
5.3.190.0050.03112.61
5.3.180.0070.03712.61
5.3.170.0110.02412.70
5.3.160.0100.02512.60
5.3.150.0070.04212.64
5.3.140.0080.03612.67
5.3.130.0100.03912.66
5.3.120.0100.02812.64
5.3.110.0100.02712.67
5.3.100.0100.02512.27
5.3.90.0110.03612.45
5.3.80.0080.02812.35
5.3.70.0030.04012.35
5.3.60.0020.03412.46
5.3.50.0080.03312.41
5.3.40.0130.03212.42
5.3.30.0050.03012.36
5.3.20.0200.02512.20
5.3.10.0170.02112.10
5.3.00.0070.02712.16
5.2.170.0070.02410.40
5.2.160.0070.03010.44
5.2.150.0120.02410.42
5.2.140.0110.02210.45
5.2.130.0000.02910.44
5.2.120.0080.03110.43
5.2.110.0030.02610.50
5.2.100.0050.02410.40
5.2.90.0070.02510.39
5.2.80.0100.03110.46
5.2.70.0050.02210.31
5.2.60.0100.02010.24
5.2.50.0060.03110.19
5.2.40.0050.02710.27
5.2.30.0050.02710.25
5.2.20.0090.03310.20
5.2.10.0060.02210.18
5.2.00.0050.02510.08
5.1.60.0060.0219.66
5.1.50.0090.0159.70
5.1.40.0050.0189.67
5.1.30.0070.0189.80
5.1.20.0080.0239.86
5.1.10.0060.0199.73
5.1.00.0050.0189.71
5.0.50.0010.0208.92
5.0.40.0050.0158.88
5.0.30.0020.0258.88
5.0.20.0040.0168.64
5.0.10.0060.0158.76
5.0.00.0050.0218.78
4.4.90.0050.0108.39
4.4.80.0060.0088.39
4.4.70.0030.0138.39
4.4.60.0020.0148.39
4.4.50.0040.0138.39
4.4.40.0090.0208.39
4.4.30.0030.0148.39
4.4.20.0020.0148.39
4.4.10.0060.0118.39
4.4.00.0030.0208.39
4.3.110.0040.0118.39
4.3.100.0030.0128.39
4.3.90.0030.0118.39
4.3.80.0040.0198.39
4.3.70.0020.0148.39
4.3.60.0030.0138.39
4.3.50.0040.0128.39
4.3.40.0020.0268.39
4.3.30.0050.0138.39
4.3.20.0010.0138.39
4.3.10.0040.0108.39
4.3.00.0020.0158.15

preferences:
49.87 ms | 401 KiB | 5 Q