3v4l.org

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

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)
8.3.60.0080.00818.41
8.3.50.0110.00821.92
8.3.40.0040.01119.08
8.3.30.0110.00420.51
8.3.20.0040.00420.44
8.3.10.0080.00022.05
8.3.00.0000.00822.58
8.2.180.0130.01016.73
8.2.170.0140.00722.96
8.2.160.0030.01922.25
8.2.150.0110.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00618.22
8.2.110.0120.00622.25
8.2.100.0080.00418.09
8.2.90.0060.00319.30
8.2.80.0070.00019.59
8.2.70.0030.00617.75
8.2.60.0050.00317.80
8.2.50.0050.00518.07
8.2.40.0090.00018.28
8.2.30.0040.00418.17
8.2.20.0040.00417.89
8.2.10.0000.00917.85
8.2.00.0110.00317.85
8.1.280.0030.01525.92
8.1.270.0040.00424.66
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00022.18
8.1.230.0070.00419.13
8.1.220.0000.00817.91
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.66
8.1.180.0090.00418.10
8.1.170.0000.00818.61
8.1.160.0000.00718.96
8.1.150.0040.00418.69
8.1.140.0040.00417.46
8.1.130.0000.00818.04
8.1.120.0050.00317.56
8.1.110.0040.00417.45
8.1.100.0070.00017.54
8.1.90.0040.00417.49
8.1.80.0000.00717.60
8.1.70.0000.00717.45
8.1.60.0040.00417.72
8.1.50.0000.00817.54
8.1.40.0040.00417.52
8.1.30.0040.00417.77
8.1.20.0060.00317.66
8.1.10.0040.00417.73
8.1.00.0000.01117.78
8.0.300.0040.00419.90
8.0.290.0040.00417.30
8.0.280.0040.00418.52
8.0.270.0000.00717.30
8.0.260.0070.00017.03
8.0.250.0000.00717.25
8.0.240.0000.00817.13
8.0.230.0000.00717.07
8.0.220.0040.00417.03
8.0.210.0050.00317.02
8.0.200.0000.00716.98
8.0.190.0000.00817.07
8.0.180.0070.00017.04
8.0.170.0040.00417.00
8.0.160.0070.00017.08
8.0.150.0000.00817.01
8.0.140.0070.00017.04
8.0.130.0000.00613.48
8.0.120.0080.00017.04
8.0.110.0040.00416.91
8.0.100.0000.00816.95
8.0.90.0040.00417.12
8.0.80.0100.00616.96
8.0.70.0040.00416.84
8.0.60.0040.00417.00
8.0.50.0040.00416.95
8.0.30.0050.01417.17
8.0.20.0120.00617.40
8.0.10.0030.00517.14
8.0.00.0140.00416.99
7.4.330.0070.00015.00
7.4.320.0000.00816.68
7.4.300.0060.00016.52
7.4.290.0030.00316.61
7.4.280.0030.00316.70
7.4.270.0000.00716.52
7.4.260.0030.00313.42
7.4.250.0050.00316.67
7.4.240.0030.00416.61
7.4.230.0000.00716.50
7.4.220.0030.02316.77
7.4.210.0090.00916.71
7.4.200.0000.00716.59
7.4.190.0000.00716.61
7.4.160.0130.01016.51
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0120.00716.69
7.4.120.0070.01316.67
7.4.110.0140.00416.76
7.4.100.0140.00916.56
7.4.90.0130.00416.66
7.4.80.0100.00719.39
7.4.70.0070.01016.77
7.4.60.0120.00816.64
7.4.50.0030.00616.65
7.4.40.0120.00322.77
7.4.30.0060.01216.93
7.4.00.0120.00315.05
7.3.330.0000.00513.48
7.3.320.0050.00013.34
7.3.310.0030.00316.38
7.3.300.0040.00416.52
7.3.290.0070.00716.39
7.3.280.0090.00816.49
7.3.270.0070.01017.40
7.3.260.0030.01316.43
7.3.250.0090.00816.54
7.3.240.0120.00916.78
7.3.230.0090.01016.73
7.3.210.0130.00316.45
7.3.200.0140.00319.39
7.3.190.0090.01016.50
7.3.180.0070.01016.71
7.3.170.0070.00816.46
7.3.160.0090.00916.59
7.3.120.0060.00914.98
7.2.330.0070.01116.47
7.2.320.0100.01316.80
7.2.310.0070.01016.87
7.2.300.0100.01016.81
7.2.290.0100.00716.55
7.2.80.0060.00616.13
7.1.200.0090.00615.87
7.1.70.0070.00717.18
7.1.60.0090.01619.36
7.1.50.0100.00616.93
7.1.00.0000.03722.46
7.0.200.0040.00416.92
7.0.140.0000.08021.98
7.0.60.0030.08719.93
7.0.50.0070.08718.01
7.0.40.0070.08720.27
7.0.30.0200.07720.23
7.0.20.0330.04320.21
7.0.10.0200.05320.10
7.0.00.0070.05320.46
5.6.280.0000.07720.99
5.6.210.0070.06320.88
5.6.200.0070.08718.32
5.6.190.0030.06320.37
5.6.180.0170.05320.52
5.6.170.0300.07020.58
5.6.160.0030.04320.54
5.6.150.0170.07018.25
5.6.140.0100.07318.37
5.6.130.0000.04718.30
5.6.120.0170.06321.15
5.6.110.0100.08721.25
5.6.100.0070.04721.25
5.6.90.0030.04021.28
5.6.80.0170.05320.68
5.5.350.4330.04020.59
5.5.340.0070.07718.19
5.5.330.0130.07720.28
5.5.320.0370.04720.44
5.5.310.0300.07720.42
5.5.300.0000.04718.20
5.5.290.0030.07018.11
5.5.280.0070.08020.93
5.5.270.0070.08321.00
5.5.260.0200.06321.04
5.5.250.0130.07320.84
5.5.240.0200.07720.28
5.4.450.0300.05319.63
5.4.440.0270.08019.49
5.4.430.0230.07719.27
5.4.420.0230.07319.53
5.4.410.0230.05019.38
5.4.400.0270.07319.29
5.4.390.0300.07019.41
5.4.380.0330.06719.34
5.4.370.0270.07019.24
5.4.360.0270.07319.19
5.4.350.0300.06019.26
5.4.340.0300.07319.09
5.4.320.0200.07719.13
5.4.310.0230.05019.18
5.4.300.0170.05019.09
5.4.290.0330.03719.18
5.4.280.0270.06319.18
5.4.270.0300.06719.09
5.4.260.0270.07019.33
5.4.250.0300.04719.04
5.4.240.0370.03719.15
5.4.230.0270.06319.04
5.4.220.0230.07018.96
5.4.210.0170.08019.11
5.4.200.0400.05719.33
5.4.190.0330.06319.29
5.4.180.0300.06319.08
5.4.170.0270.07319.07
5.4.160.0270.04719.31
5.4.150.0170.07719.14
5.4.140.0430.04316.80
5.4.130.0170.05316.48
5.4.120.0100.04716.46
5.4.110.0200.04016.70
5.4.100.0200.06716.34
5.4.90.0270.06316.70
5.4.80.0070.05016.69
5.4.70.0070.05316.42
5.4.60.0170.03316.68
5.4.50.0230.03716.57
5.4.40.0230.06016.42
5.4.30.0200.05316.40
5.4.20.0170.04016.41
5.4.10.0270.07016.51
5.4.00.0170.05716.09
5.3.290.0230.07314.68
5.3.280.0300.03014.69
5.3.270.0300.06714.76
5.3.260.0270.02714.63
5.3.250.0200.03714.96
5.3.240.0300.06014.71
5.3.230.0200.04314.62
5.3.220.0170.05714.59
5.3.210.0130.06714.75
5.3.200.0230.06714.63
5.3.190.0200.05714.58
5.3.180.0130.04014.82
5.3.170.0270.07014.65
5.3.160.0270.05714.74
5.3.150.0170.08014.82
5.3.140.0430.03314.57
5.3.130.0270.04014.55
5.3.120.0200.07714.66
5.3.110.0230.05714.75
5.3.100.0200.03714.15
5.3.90.0200.03714.11
5.3.80.0230.02714.35
5.3.70.0200.03714.27
5.3.60.0170.03314.21
5.3.50.0100.04313.95
5.3.40.0230.03714.06
5.3.30.0300.03014.07
5.3.20.0170.03013.76
5.3.10.0070.04013.68
5.3.00.0200.03313.67
5.2.170.0170.03012.32
5.2.160.0100.03012.32
5.2.150.0130.03312.32
5.2.140.0200.02012.32
5.2.130.0100.03312.32
5.2.120.0100.03012.32
5.2.110.0070.03012.32
5.2.100.0130.02712.32
5.2.90.0170.02312.32
5.2.80.0170.02312.32
5.2.70.0100.03312.32
5.2.60.0130.02712.32
5.2.50.0100.03012.32
5.2.40.0100.02712.32
5.2.30.0170.02712.32
5.2.20.0100.03012.32
5.2.10.0100.03312.32
5.2.00.0130.02312.32
5.1.60.0170.01712.32
5.1.50.0130.02012.32
5.1.40.0170.02312.32
5.1.30.0070.02712.32
5.1.20.0170.02712.32
5.1.10.0100.02712.32
5.1.00.0130.02012.32
5.0.50.0130.01712.32
5.0.40.0100.01312.32
5.0.30.0070.02712.32
5.0.20.0070.01712.32
5.0.10.0100.02012.32
5.0.00.0070.03012.32
4.4.90.0100.01312.32
4.4.80.0070.01312.32
4.4.70.0070.01312.32
4.4.60.0030.01712.32
4.4.50.0070.01712.32
4.4.40.0030.02312.32
4.4.30.0030.01712.32
4.4.20.0070.01312.32
4.4.10.0100.01012.32
4.4.00.0030.02712.32
4.3.110.0070.01312.32
4.3.100.0030.01712.32
4.3.90.0000.01712.32
4.3.80.0070.02012.32
4.3.70.0070.01012.32
4.3.60.0070.01312.32
4.3.50.0070.01312.32
4.3.40.0030.02312.32
4.3.30.0030.01312.32
4.3.20.0000.01712.32
4.3.10.0000.01712.32
4.3.00.0030.01312.32

preferences:
61.58 ms | 401 KiB | 5 Q