3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo implements Serializable { public $dummy = 'bzz'; public function serialize() { throw new Exception('test'); } public function unserialize($data) { } } $serialized = serialize(new foo); $unserialized = unserialize($serialized); var_dump($serialized, $unserialized);

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)
8.3.40.0040.01518.71
8.3.30.0040.01120.03
8.3.20.0000.00720.33
8.3.10.0090.00620.92
8.3.00.0000.00822.46
8.2.170.0170.00722.96
8.2.160.0000.01322.10
8.2.150.0070.00725.66
8.2.140.0060.00324.66
8.2.130.0030.00526.16
8.2.120.0040.00420.79
8.2.110.0050.00519.31
8.2.100.0160.00318.01
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0080.00017.48
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0060.00318.34
8.2.30.0000.00719.32
8.2.20.0000.00817.78
8.2.10.0080.00017.71
8.2.00.0050.00317.63
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0140.00322.45
8.1.230.0110.00020.99
8.1.220.0040.00418.77
8.1.210.0000.00819.00
8.1.200.0000.00917.00
8.1.190.0060.00317.43
8.1.180.0000.00818.10
8.1.170.0030.00518.39
8.1.160.0000.00818.82
8.1.150.0000.00818.58
8.1.140.0000.00817.23
8.1.130.0040.00417.78
8.1.120.0000.00717.31
8.1.110.0040.00417.41
8.1.100.0070.00017.39
8.1.90.0080.00017.39
8.1.80.0070.00017.32
8.1.70.0030.00317.26
8.1.60.0030.00617.41
8.1.50.0070.00017.44
8.1.40.0040.00417.43
8.1.30.0000.00717.47
8.1.20.0040.00417.58
8.1.10.0050.00317.47
8.1.00.0060.00317.42
8.0.300.0070.00019.88
8.0.290.0020.00517.05
8.0.280.0050.00218.41
8.0.270.0000.00717.36
8.0.260.0070.00016.95
8.0.250.0040.00417.03
8.0.240.0040.00416.97
8.0.230.0040.00417.00
8.0.220.0070.00016.89
8.0.210.0050.00316.91
8.0.200.0060.00017.05
8.0.190.0000.00816.89
8.0.180.0030.00516.92
8.0.170.0050.00217.01
8.0.160.0070.00016.80
8.0.150.0040.00416.88
8.0.140.0060.00316.95
8.0.130.0000.00513.41
8.0.120.0030.00516.80
8.0.110.0030.00516.95
8.0.100.0070.00016.82
8.0.90.0000.00716.96
8.0.80.0120.00916.94
8.0.70.0030.00416.81
8.0.60.0040.00416.75
8.0.50.0000.00816.81
8.0.30.0120.00717.05
8.0.20.0120.00617.40
8.0.10.0040.00417.06
8.0.00.0090.00916.74
7.4.330.0000.00616.72
7.4.320.0060.00016.51
7.4.300.0030.00316.46
7.4.290.0000.00716.55
7.4.280.0070.00016.49
7.4.270.0030.00316.46
7.4.260.0000.00713.20
7.4.250.0000.00716.49
7.4.240.0050.00216.48
7.4.230.0070.00016.42
7.4.220.0030.01416.63
7.4.210.0110.00616.56
7.4.200.0000.00816.47
7.4.190.0000.00716.39
7.4.160.0100.00616.66
7.4.150.0030.01417.40
7.4.140.0110.00717.86
7.4.130.0060.01116.53
7.4.120.0090.00916.44
7.4.110.0120.00916.64
7.4.100.0090.01216.51
7.4.90.0070.01016.64
7.4.80.0090.00919.39
7.4.70.0120.00916.43
7.4.60.0070.01016.55
7.4.50.0000.00816.74
7.4.40.0060.00622.77
7.4.30.0090.00916.27
7.4.00.0090.00314.88
7.3.330.0000.00513.42
7.3.320.0030.00313.39
7.3.310.0070.00016.26
7.3.300.0060.00016.24
7.3.290.0090.01016.36
7.3.280.0070.01016.39
7.3.270.0140.01117.40
7.3.260.0120.00618.24
7.3.250.0100.00716.40
7.3.240.0120.00416.57
7.3.230.0100.01016.39
7.3.210.0170.00316.34
7.3.200.0090.00919.39
7.3.190.0090.00916.44
7.3.180.0130.00916.58
7.3.170.0030.01216.64
7.3.160.0090.01216.49
7.3.120.0030.01314.77
7.2.330.0130.00616.51
7.2.320.0100.01016.26
7.2.310.0120.00616.54
7.2.300.0060.00916.26
7.2.290.0030.01516.51
7.2.60.0000.01216.75
7.2.00.0030.00919.31
7.1.200.0050.00315.51
7.1.100.0040.00718.15
7.1.70.0080.00017.07
7.1.60.0180.00619.17
7.1.50.0060.01816.73
7.1.00.0030.04322.24
7.0.200.0330.00414.81
7.0.140.0000.08021.93
7.0.100.0070.05319.97
7.0.90.0030.08319.88
7.0.80.0100.07719.96
7.0.70.0200.07019.85
7.0.60.0070.08020.05
7.0.50.0130.07320.12
7.0.40.0070.08320.10
7.0.30.0100.04020.11
7.0.20.0100.07720.08
7.0.10.0170.07720.03
7.0.00.0100.08319.95
5.6.280.0070.07020.87
5.6.250.0100.07720.62
5.6.240.0070.08020.75
5.6.230.0070.08020.48
5.6.220.0130.07020.70
5.6.210.0030.06320.66
5.6.200.0000.09321.13
5.6.190.0130.07021.12
5.6.180.0170.08021.04
5.6.170.0070.04021.15
5.6.160.0070.09021.03
5.6.150.0100.08021.14
5.6.140.0130.03321.17
5.6.130.0070.04721.14
5.6.120.0130.08020.95
5.6.110.0070.08020.94
5.6.100.0000.08721.04
5.6.90.0030.09020.93
5.6.80.0070.07720.40
5.6.70.0030.08020.43
5.6.60.0070.08020.31
5.6.50.0070.08020.43
5.6.40.0130.05020.25
5.6.30.0000.05720.35
5.6.20.0230.06320.31
5.6.10.0070.08320.38
5.6.00.0130.07320.28
5.5.380.0100.08020.54
5.5.370.0070.08020.58
5.5.360.0100.07720.55
5.5.350.0100.07320.40
5.5.340.0130.06720.65
5.5.330.0170.06720.84
5.5.320.0030.07720.79
5.5.310.0100.05020.79
5.5.300.0100.06720.93
5.5.290.0070.07020.87
5.5.280.0030.07720.79
5.5.270.0070.08720.89
5.5.260.0170.07720.84
5.5.250.0070.07720.72
5.5.240.0170.06720.28
5.5.230.0100.07720.27
5.5.220.0170.06320.00
5.5.210.0130.07320.18
5.5.200.0070.08020.22
5.5.190.0230.06020.26
5.5.180.0130.06020.19
5.5.160.0070.07720.18
5.5.150.0030.07320.28
5.5.140.0170.04020.23
5.5.130.0230.05720.27
5.5.120.0130.07320.19
5.5.110.0070.05720.13
5.5.100.0230.05720.09
5.5.90.0170.06319.95
5.5.80.0100.07320.08
5.5.70.0070.08020.04
5.5.60.0030.08020.06
5.5.50.0100.07720.11
5.5.40.0100.06020.09
5.5.30.0030.06319.96
5.5.20.0000.08320.10
5.5.10.0100.07019.98
5.5.00.0070.05019.97
5.4.450.0100.07719.38
5.4.440.0100.07319.23
5.4.430.0100.04719.44
5.4.420.0130.07319.53
5.4.410.0070.07319.32
5.4.400.0130.07019.10
5.4.390.0000.08719.16
5.4.380.0070.07318.90
5.4.370.0130.06719.02
5.4.360.0130.06719.20
5.4.350.0100.06019.03
5.4.340.0130.06719.17
5.4.320.0130.06019.18
5.4.310.0000.08319.05
5.4.300.0070.04718.88
5.4.290.0100.07019.12
5.4.280.0070.07718.84
5.4.270.0030.08019.18
5.4.260.0170.06319.25
5.4.250.0070.07319.23
5.4.240.0200.06018.88
5.4.230.0170.06318.89
5.4.220.0100.07019.09
5.4.210.0100.06319.13
5.4.200.0000.07718.85
5.4.190.0130.04019.11
5.4.180.0070.06018.85
5.4.170.0030.07319.13
5.4.160.0100.06019.14
5.4.150.0030.08319.13
5.4.140.0070.07016.42
5.4.130.0070.06716.43
5.4.120.0070.07316.50
5.4.110.0100.06016.47
5.4.100.0030.07316.52
5.4.90.0100.06716.36
5.4.80.0130.06716.50
5.4.70.0230.05716.38
5.4.60.0000.07316.32
5.4.50.0030.07716.46
5.4.40.0200.05716.50
5.4.30.0130.06716.33
5.4.20.0000.06016.41
5.4.10.0100.07016.43
5.4.00.0030.08315.88
5.3.290.0000.08014.73
5.3.280.0030.04714.61
5.3.270.0070.03714.73
5.3.260.0100.04314.60
5.3.250.0030.07714.68
5.3.240.0070.07314.72
5.3.230.0130.07314.58
5.3.220.0070.07314.63
5.3.210.0000.08314.55
5.3.200.0130.07014.64
5.3.190.0070.07314.66
5.3.180.0130.06314.59
5.3.170.0030.08014.55
5.3.160.0070.07714.62
5.3.150.0100.06714.71
5.3.140.0030.07714.63
5.3.130.0100.07714.50
5.3.120.0100.07314.61
5.3.110.0030.07714.53
5.3.100.0100.07314.05
5.3.90.0170.06314.13
5.3.80.0100.07014.00
5.3.70.0070.04714.15
5.3.60.0100.07314.04
5.3.50.0070.07713.95
5.3.40.0070.07014.02
5.3.30.0200.05713.95
5.3.20.0030.07313.62
5.3.10.0070.07013.77
5.3.00.0070.07313.70
5.2.170.0070.06311.63
5.2.160.0030.06311.63
5.2.150.0030.06311.63
5.2.140.0100.05311.63
5.2.130.0030.06011.63
5.2.120.0070.05711.63
5.2.110.0100.03011.63
5.2.100.0100.05711.63
5.2.90.0030.04011.63
5.2.80.0100.05711.63
5.2.70.0030.06311.63
5.2.60.0100.06011.63
5.2.50.0100.06011.63
5.2.40.0100.06011.63
5.2.30.0130.05311.63
5.2.20.0030.06711.63
5.2.10.0030.05311.63
5.2.00.0000.06311.63
5.1.60.0070.05011.63
5.1.50.0030.05311.63
5.1.40.0030.05711.63
5.1.30.0030.05711.63
5.1.20.0070.05311.63
5.1.10.0030.06011.63
5.1.00.0070.03011.63
5.0.50.0030.02711.63
5.0.40.0030.03311.63
5.0.30.0070.06311.63
5.0.20.0030.04311.63
5.0.10.0070.04011.63
5.0.00.0070.05311.63
4.4.90.0000.03711.63
4.4.80.0070.03311.63
4.4.70.0030.03311.63
4.4.60.0030.03711.63
4.4.50.0070.03311.63
4.4.40.0030.03711.63
4.4.30.0030.03311.63
4.4.20.0000.03011.63
4.4.10.0000.03311.63
4.4.00.0000.02711.63
4.3.110.0070.03011.63
4.3.100.0070.03311.63
4.3.90.0000.02711.63
4.3.80.0070.04311.63
4.3.70.0000.03711.63
4.3.60.0000.03011.63
4.3.50.0000.03711.63
4.3.40.0100.04311.63
4.3.30.0000.03711.63
4.3.20.0000.03711.63
4.3.10.0030.03711.63
4.3.00.0030.03311.63

preferences:
44.25 ms | 400 KiB | 5 Q