3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace CSBill\UserBundle\Entity { class User implements \Serializable { public function serialize() { } public function unserialize($serialized) { } } } 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)
8.3.60.0120.00616.75
8.3.50.0140.00521.16
8.3.40.0120.00618.71
8.3.30.0060.00818.96
8.3.20.0040.00420.21
8.3.10.0020.00521.73
8.3.00.0050.00319.26
8.2.180.0140.00718.67
8.2.170.0120.00322.96
8.2.160.0100.00720.52
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0090.00926.16
8.2.120.0070.00022.08
8.2.110.0040.00422.11
8.2.100.0040.00817.91
8.2.90.0060.00319.22
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0090.00018.04
8.2.50.0040.00418.07
8.2.40.0000.00819.82
8.2.30.0000.00717.98
8.2.20.0050.00317.77
8.2.10.0000.00818.13
8.2.00.0030.00717.77
8.1.280.0040.01125.92
8.1.270.0060.00323.91
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00823.79
8.1.230.0040.00719.13
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00717.35
8.1.190.0060.00317.16
8.1.180.0000.01018.10
8.1.170.0080.00018.58
8.1.160.0040.00421.93
8.1.150.0020.00518.63
8.1.140.0040.00417.36
8.1.130.0030.00317.73
8.1.120.0040.00417.51
8.1.110.0040.00417.51
8.1.100.0000.00817.43
8.1.90.0000.00917.51
8.1.80.0000.00717.47
8.1.70.0000.00717.40
8.1.60.0000.00817.50
8.1.50.0030.00517.42
8.1.40.0040.00417.41
8.1.30.0000.00817.59
8.1.20.0040.00417.54
8.1.10.0000.00817.36
8.1.00.0080.00017.45
8.0.300.0070.00020.52
8.0.290.0040.00417.30
8.0.280.0040.00418.36
8.0.270.0000.00717.29
8.0.260.0000.00618.33
8.0.250.0040.00417.00
8.0.240.0030.00317.02
8.0.230.0040.00416.85
8.0.220.0000.00716.99
8.0.210.0030.00316.88
8.0.200.0000.00617.01
8.0.190.0040.00417.03
8.0.180.0070.00316.86
8.0.170.0050.00316.85
8.0.160.0070.00016.83
8.0.150.0030.00416.89
8.0.140.0040.00416.83
8.0.130.0060.00013.30
8.0.120.0000.00716.98
8.0.110.0000.00716.91
8.0.100.0030.00516.89
8.0.90.0080.00016.91
8.0.80.0030.01216.92
8.0.70.0030.00616.82
8.0.60.0000.00716.84
8.0.50.0000.00716.93
8.0.30.0050.01617.07
8.0.20.0090.01017.40
8.0.10.0030.00517.03
8.0.00.0130.00516.74
7.4.330.0050.00015.09
7.4.320.0000.00616.49
7.4.300.0000.00616.55
7.4.290.0030.00316.62
7.4.280.0070.00016.58
7.4.270.0000.00716.48
7.4.260.0030.00316.48
7.4.250.0000.00716.47
7.4.240.0020.00516.55
7.4.230.0030.00316.39
7.4.220.0120.00616.36
7.4.210.0070.00916.60
7.4.200.0070.00016.56
7.4.190.0000.00716.67
7.4.160.0100.00716.54
7.4.150.0140.00317.40
7.4.140.0160.00317.86
7.4.130.0100.00716.62
7.4.120.0070.01016.59
7.4.110.0130.00316.35
7.4.100.0120.01216.48
7.4.90.0120.00616.63
7.4.80.0130.01019.39
7.4.70.0090.01216.53
7.4.60.0060.00916.35
7.4.50.0050.00016.64
7.4.40.0060.00822.77
7.4.30.0060.01216.65
7.4.00.0110.00315.13
7.3.330.0050.00013.18
7.3.320.0030.00313.18
7.3.310.0000.00816.35
7.3.300.0070.00016.32
7.3.290.0080.00616.23
7.3.280.0110.00416.36
7.3.270.0120.00617.40
7.3.260.0140.00416.39
7.3.250.0120.00816.44
7.3.240.0130.00316.36
7.3.230.0170.00016.39
7.3.210.0100.00716.54
7.3.200.0140.00919.39
7.3.190.0130.00916.49
7.3.180.0140.00316.37
7.3.170.0030.01716.41
7.3.160.0130.01016.46
7.3.120.0030.01015.01
7.2.330.0090.00916.66
7.2.320.0060.01216.56
7.2.310.0070.01116.55
7.2.300.0090.00916.30
7.2.290.0160.00616.54
7.2.00.0060.00619.03
7.1.100.0080.00417.94
7.1.70.0000.00817.19
7.1.60.0060.01319.46
7.1.50.0120.00916.98
7.1.00.0070.07322.46
7.0.200.0000.00816.54
7.0.140.0030.07021.97
7.0.110.0030.04019.91
7.0.100.0000.03719.97
7.0.90.0070.04019.89
7.0.80.0070.03719.92
7.0.70.0030.05019.84
7.0.60.0030.08319.95
7.0.50.0030.04019.80
7.0.40.0000.04719.73
7.0.30.0070.03019.66
7.0.20.0100.02719.84
7.0.10.0030.04019.68
7.0.00.0030.04319.59
5.6.280.0000.07320.79
5.6.260.0030.04320.64
5.6.250.0100.03720.59
5.6.240.0030.04320.72
5.6.230.0100.03720.66
5.6.220.0000.07320.46
5.6.210.0030.05320.61
5.6.200.0100.03720.58
5.6.190.0030.04320.63
5.6.180.0030.04020.47
5.6.170.0000.03720.67
5.6.160.0030.04020.55
5.6.150.0030.04320.47
5.6.140.0030.03320.46
5.6.130.0030.04020.59
5.6.120.0030.04020.68
5.6.110.0000.03720.64
5.6.100.0100.06020.64
5.6.90.0030.04020.59
5.6.80.0030.03320.24
5.6.70.0100.03319.93
5.6.60.0000.05020.08
5.6.50.0100.03320.07
5.6.40.0130.02719.98
5.6.30.0070.03020.07
5.6.20.0000.05019.91
5.6.10.0070.03720.01
5.6.00.0100.04319.98
5.5.380.0130.03017.68
5.5.370.0030.05717.47
5.5.360.0070.06717.71
5.5.350.0070.05717.58
5.5.340.0030.04017.93
5.5.330.0070.03718.07
5.5.320.0070.03718.09
5.5.310.0070.03717.91
5.5.300.0100.02717.83
5.5.290.0030.03718.13
5.5.280.0030.03317.93
5.5.270.0030.04017.95
5.5.260.0070.03717.82
5.5.250.0070.03017.71
5.5.240.0000.03717.51
5.5.230.0030.03317.30
5.5.220.0030.04017.61
5.5.210.0070.03017.61
5.5.200.0030.03717.28
5.5.190.0030.05017.58
5.5.180.0030.03317.42
5.5.160.0030.04017.28
5.5.150.0070.03717.26
5.5.140.0070.03717.45
5.5.130.0030.03717.56
5.5.120.0030.04317.57
5.5.110.0100.03317.27
5.5.100.0000.04017.17
5.5.90.0000.04317.30
5.5.80.0030.03717.16
5.5.70.0030.03717.31
5.5.60.0070.06717.20
5.5.50.0130.05717.17
5.5.40.0030.07717.16
5.5.30.0030.05317.33
5.5.20.0000.07317.37
5.5.10.0100.04717.36
5.5.00.0000.09317.14
5.4.450.0030.03319.33
5.4.440.0000.04019.48
5.4.430.0100.03319.59
5.4.420.0030.04019.40
5.4.410.0070.02719.49
5.4.400.0030.03319.01
5.4.390.0100.02719.09
5.4.380.0000.03319.15
5.4.370.0030.03018.94
5.4.360.0030.04019.09
5.4.350.0030.04018.98
5.4.340.0000.04718.95
5.4.320.0000.04318.94
5.4.310.0000.04319.23
5.4.300.0000.04019.22
5.4.290.0030.04319.02
5.4.280.0000.04019.04
5.4.270.0000.04019.00
5.4.260.0030.03719.18
5.4.250.0000.03719.15
5.4.240.0130.05019.12
5.4.230.0030.04018.98
5.4.220.0030.03718.93
5.4.210.0000.05719.23
5.4.200.0030.06319.02
5.4.190.0030.08319.07
5.4.180.0070.05019.20
5.4.170.0030.07718.93
5.4.160.0070.03019.30
5.4.150.0130.06719.11
5.4.140.0030.09016.52
5.4.130.0000.06716.50
5.4.120.0100.05716.30
5.4.110.0030.07316.38
5.4.100.0070.07316.40
5.4.90.0000.06016.39
5.4.80.0100.06316.39
5.4.70.0070.07016.48
5.4.60.0100.06016.51
5.4.50.0070.06016.35
5.4.40.0100.04316.41
5.4.30.0170.06716.53
5.4.20.0100.04716.57
5.4.10.0100.02716.61
5.4.00.0030.03315.95
5.3.290.0030.03714.66
5.3.280.0070.04714.64
5.3.270.0030.07714.75
5.3.260.0000.08014.63
5.3.250.0030.06014.73
5.3.240.0030.05714.73
5.3.230.0000.03714.59
5.3.220.0070.07314.55
5.3.210.0000.03714.56
5.3.200.0030.07314.43
5.3.190.0070.06314.70
5.3.180.0030.06014.66
5.3.170.0030.08014.55
5.3.160.0170.04014.43
5.3.150.0130.06314.56
5.3.140.0100.07314.57
5.3.130.0100.05014.64
5.3.120.0030.06014.68
5.3.110.0030.07014.68
5.3.100.0030.03714.04
5.3.90.0070.03014.17
5.3.80.0100.06714.16
5.3.70.0230.05714.02
5.3.60.0130.06014.13
5.3.50.0030.05313.95
5.3.40.0030.04714.09
5.3.30.0070.06713.99
5.3.20.0100.07313.84
5.3.10.0030.06013.65
5.3.00.0100.06313.67
5.2.170.0130.04711.96
5.2.160.0030.05311.96
5.2.150.0070.02311.96
5.2.140.0030.06011.96
5.2.130.0070.03311.96
5.2.120.0070.05711.96
5.2.110.0070.06011.96
5.2.100.0000.06011.96
5.2.90.0100.04011.96
5.2.80.0030.06011.96
5.2.70.0000.06011.96
5.2.60.0000.06311.96
5.2.50.0000.03011.96
5.2.40.0070.04011.96
5.2.30.0000.03711.96
5.2.20.0000.06311.96
5.2.10.0070.02311.96
5.2.00.0000.02711.96
5.1.60.0000.02711.96
5.1.50.0030.02311.96
5.1.40.0000.02711.96
5.1.30.0000.03011.96
5.1.20.0070.02711.96
5.1.10.0070.02311.96
5.1.00.0070.03011.96
5.0.50.0000.03011.96
5.0.40.0000.03311.96
5.0.30.0070.02311.96
5.0.20.0030.01711.96
5.0.10.0000.02011.96
5.0.00.0030.03311.96
4.4.90.0100.02011.96
4.4.80.0000.01711.96
4.4.70.0070.02311.96
4.4.60.0070.04011.96
4.4.50.0000.01311.96
4.4.40.0030.03311.96
4.4.30.0030.01311.96
4.4.20.0000.01711.96
4.4.10.0000.02011.96
4.4.00.0000.03311.96
4.3.110.0000.02011.96
4.3.100.0030.02711.96
4.3.90.0000.01711.96
4.3.80.0000.02311.96
4.3.70.0030.01311.96
4.3.60.0030.01711.96
4.3.50.0000.01711.96
4.3.40.0000.02311.96
4.3.30.0000.01711.96
4.3.20.0030.01011.96
4.3.10.0000.01311.96
4.3.00.0000.01311.96

preferences:
38.06 ms | 401 KiB | 5 Q