3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace CSBill\UserBundle\Entity { class User implements \Serializable { public function serialize() { } public function unserialize() { } } } namespace { $name = 'CSBill\UserBundle\Entity\User'; $string = sprintf('O:%d:"%s":0:{}', strlen($name), $name); var_dump(unserialize($string)); }

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)
8.3.60.0040.01116.75
8.3.50.0210.01021.97
8.3.40.0040.01418.66
8.3.30.0140.00018.95
8.3.20.0040.00420.18
8.3.10.0000.00923.47
8.3.00.0080.00019.13
8.2.180.0110.00716.38
8.2.170.0150.00022.96
8.2.160.0030.01320.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.25
8.2.110.0090.00022.25
8.2.100.0080.00417.91
8.2.90.0080.00019.05
8.2.80.0090.00017.97
8.2.70.0000.00817.24
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0040.00417.88
8.2.20.0000.00717.51
8.2.10.0040.00417.92
8.2.00.0050.00517.68
8.1.280.0110.00425.92
8.1.270.0080.00022.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00520.31
8.1.230.0120.00017.52
8.1.220.0040.00417.74
8.1.210.0080.00318.77
8.1.200.0060.00317.25
8.1.190.0030.00517.41
8.1.180.0040.00418.10
8.1.170.0040.00418.49
8.1.160.0040.00422.00
8.1.150.0050.00318.57
8.1.140.0050.00317.28
8.1.130.0070.00017.81
8.1.120.0050.00317.30
8.1.110.0040.00417.39
8.1.100.0030.00517.32
8.1.90.0040.00417.33
8.1.80.0000.00717.41
8.1.70.0030.00317.29
8.1.60.0040.00417.52
8.1.50.0050.00317.33
8.1.40.0080.00017.46
8.1.30.0000.00817.40
8.1.20.0000.00817.46
8.1.10.0070.00017.28
8.1.00.0020.00517.30
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0000.00718.31
8.0.270.0000.00717.09
8.0.260.0060.00017.13
8.0.250.0000.00816.97
8.0.240.0040.00416.86
8.0.230.0040.00416.95
8.0.220.0000.00716.89
8.0.210.0030.00616.93
8.0.200.0030.00316.94
8.0.190.0000.00817.02
8.0.180.0020.00516.87
8.0.170.0060.00316.93
8.0.160.0070.00016.92
8.0.150.0030.00516.93
8.0.140.0040.00416.85
8.0.130.0030.00313.31
8.0.120.0000.00816.77
8.0.110.0030.00616.84
8.0.100.0040.00416.86
8.0.90.0050.00216.79
8.0.80.0100.00616.88
8.0.70.0070.00016.91
8.0.60.0030.00516.93
8.0.50.0030.00516.86
8.0.30.0090.01117.15
8.0.20.0150.00317.40
8.0.10.0040.00416.80
8.0.00.0110.00916.65
7.4.330.0000.00615.08
7.4.320.0040.00416.52
7.4.300.0000.00616.38
7.4.290.0030.00316.54
7.4.280.0030.00316.34
7.4.270.0040.00416.45
7.4.260.0070.00016.44
7.4.250.0030.00316.50
7.4.240.0050.00216.47
7.4.230.0000.00616.52
7.4.220.0100.00716.61
7.4.210.0060.00916.56
7.4.200.0000.00716.30
7.4.190.0040.00416.70
7.4.160.0120.00416.32
7.4.150.0180.00617.40
7.4.140.0140.00317.86
7.4.130.0110.00516.42
7.4.120.0150.00216.48
7.4.110.0150.00616.48
7.4.100.0120.00916.46
7.4.90.0150.00416.52
7.4.80.0070.01319.39
7.4.70.0090.00616.38
7.4.60.0110.01116.44
7.4.50.0000.00816.42
7.4.40.0070.01022.77
7.4.30.0090.00916.52
7.4.00.0060.00615.01
7.3.330.0020.00213.24
7.3.320.0030.00213.24
7.3.310.0070.00016.27
7.3.300.0040.00416.24
7.3.290.0060.00916.32
7.3.280.0040.01416.26
7.3.270.0150.00317.40
7.3.260.0060.01016.21
7.3.250.0050.01216.37
7.3.240.0160.00616.09
7.3.230.0110.00616.39
7.3.210.0060.01116.21
7.3.200.0090.01219.39
7.3.190.0030.01316.30
7.3.180.0040.01216.29
7.3.170.0130.00316.27
7.3.160.0100.00616.36
7.3.120.0060.00914.67
7.3.110.0130.00314.53
7.3.100.0070.01114.82
7.3.90.0040.01114.77
7.3.80.0090.00314.85
7.3.70.0060.00614.62
7.3.60.0130.00314.60
7.3.50.0070.01014.53
7.3.40.0060.00314.61
7.3.30.0030.01014.73
7.3.20.0070.01016.70
7.3.10.0060.00616.47
7.3.00.0090.00316.49
7.2.330.0130.00516.46
7.2.320.0130.00316.59
7.2.310.0090.00916.48
7.2.300.0110.00716.33
7.2.290.0040.01216.39
7.2.250.0090.00914.83
7.2.240.0040.01614.86
7.2.230.0000.01114.79
7.2.220.0060.01015.16
7.2.210.0110.00414.93
7.2.200.0030.01214.88
7.2.190.0000.01514.83
7.2.180.0070.00714.86
7.2.170.0070.00714.63
7.2.00.0060.00619.32
7.1.330.0080.00415.93
7.1.320.0000.01415.45
7.1.310.0060.00315.44
7.1.300.0060.00615.59
7.1.290.0030.01315.50
7.1.280.0030.00715.58
7.1.270.0100.00315.66
7.1.260.0070.00715.65
7.1.100.0030.01217.95
7.1.70.0040.01117.04
7.1.60.0100.01419.33
7.1.50.0070.01416.72
7.1.00.0030.07722.46
7.0.200.0120.00414.94
7.0.140.0000.07722.09
7.0.60.0330.07019.84
7.0.50.0130.06017.73
7.0.40.0100.06720.02
7.0.30.0170.09320.32
7.0.20.0400.07020.31
7.0.10.0070.08720.09
7.0.00.0000.09020.29
5.6.280.0000.07721.02
5.6.210.0030.09020.56
5.6.200.0030.04318.23
5.6.190.0130.07720.67
5.6.180.0430.04320.39
5.6.170.0370.07320.46
5.6.160.0200.06720.55
5.6.150.0100.06018.19
5.6.140.0000.04718.14
5.6.130.0030.04318.17
5.6.120.0070.04021.02
5.6.110.0070.07321.14
5.6.100.0170.07720.96
5.6.90.0030.09020.97
5.6.80.0200.07020.48
5.5.350.0100.03320.32
5.5.340.0000.04718.07
5.5.330.0070.03720.27
5.5.320.0270.07320.36
5.5.310.0170.04320.37
5.5.300.0070.08018.02
5.5.290.0070.08017.98
5.5.280.0030.04020.88
5.5.270.0100.08320.89
5.5.260.0070.04020.80
5.5.250.0000.04320.69
5.5.240.0000.08020.16
5.4.450.3670.04019.32
5.4.440.2600.04019.59
5.4.430.3930.04319.36
5.4.420.4070.04019.29
5.4.410.4670.03719.30
5.4.400.3630.04019.24
5.4.390.3800.04719.26
5.4.380.3870.03719.05
5.4.370.4400.04019.23
5.4.360.4830.03019.04
5.4.350.3630.03319.04
5.4.340.3870.03719.07
5.4.320.3700.03719.23
5.4.310.3800.04019.13
5.4.300.3700.03318.95
5.4.290.3630.03318.97
5.4.280.3730.03719.15
5.4.270.4200.02719.13
5.4.260.3870.03719.20
5.4.250.4470.04719.19
5.4.240.4170.03719.21
5.4.230.3800.03719.19
5.4.220.4400.03019.06
5.4.210.4770.04719.20
5.4.200.4530.04319.19
5.4.190.3970.03718.98
5.4.180.3830.04018.96
5.4.170.0030.07319.21
5.4.160.3730.04018.93
5.4.150.4030.03319.20
5.4.140.3830.03016.40
5.4.130.3830.03316.39
5.4.120.3700.03016.46
5.4.110.4030.04316.55
5.4.100.4000.03316.36
5.4.90.4000.03316.55
5.4.80.2500.03716.47
5.4.70.1970.02716.43
5.4.60.2570.02716.59
5.4.50.0070.03016.43
5.4.40.3600.03716.39
5.4.30.3570.03716.45
5.4.20.3370.03716.42
5.4.10.3230.03016.45
5.4.00.3000.03315.85
5.3.290.3730.03714.73
5.3.280.3930.03714.75
5.3.270.0070.07314.66
5.3.260.3900.03714.64
5.3.250.3770.03314.63
5.3.240.3900.04014.61
5.3.230.3800.03314.59
5.3.220.3500.03714.57
5.3.210.3470.04014.57
5.3.200.3930.03714.58
5.3.190.3700.03714.45
5.3.180.3930.02714.57
5.3.170.1570.04014.61
5.3.160.0030.03714.63
5.3.150.0000.04014.70
5.3.140.1870.03014.62
5.3.130.3800.03714.57
5.3.120.3900.04014.54
5.3.110.3200.03714.70
5.3.100.3070.03714.05
5.3.90.3170.03314.04
5.3.80.3870.04013.91
5.3.70.3270.03714.07
5.3.60.3130.04714.05
5.3.50.3170.03714.09
5.3.40.3800.03714.09
5.3.30.3570.04013.98
5.3.20.3370.03713.70
5.3.10.4570.03313.71
5.3.00.4670.04013.69
5.2.170.2330.03011.15
5.2.160.3000.02311.08
5.2.150.3330.02011.00
5.2.140.3100.03011.12
5.2.130.3100.02310.93
5.2.120.4600.03010.95
5.2.110.3870.03011.18
5.2.100.3900.02711.07
5.2.90.3370.03011.09
5.2.80.3730.03010.95
5.2.70.3900.02710.97
5.2.60.3800.03011.13
5.2.50.3100.03010.91
5.2.40.3130.03310.87
5.2.30.2700.02310.93
5.2.20.2730.03010.89
5.2.10.2730.02710.81
5.2.00.2630.03010.74
5.1.60.2730.0239.99
5.1.50.4130.01310.05
5.1.40.2870.03010.13
5.1.30.3300.02710.34
5.1.20.3170.02710.36
5.1.10.3070.02710.13
5.1.00.2930.02710.05
5.0.50.1500.0238.39
5.0.40.1430.0208.38
5.0.30.1470.0338.37
5.0.20.1870.0238.23
5.0.10.1830.0208.30
5.0.00.1870.0278.30
4.4.90.1830.0136.25
4.4.80.1670.0176.25
4.4.70.1330.0136.25
4.4.60.1470.0176.25
4.4.50.1470.0206.25
4.4.40.1530.0276.25
4.4.30.1730.0176.25
4.4.20.1530.0136.25
4.4.10.1700.0176.25
4.4.00.1400.0176.25
4.3.110.1700.0136.25
4.3.100.1730.0176.25
4.3.90.1670.0176.25
4.3.80.1500.0236.25
4.3.70.1830.0136.25
4.3.60.1670.0106.25
4.3.50.1600.0136.25
4.3.40.1470.0236.25
4.3.30.0770.0176.25
4.3.20.1030.0236.25
4.3.10.1170.0136.25
4.3.00.0830.0176.25

preferences:
70.5 ms | 401 KiB | 5 Q