3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A implements \Serializable { public function serialize() { $dt = new \DateTime(); return serialize(array($dt, serialize([$dt]))); } public function unserialize($serialized) { $a = unserialize($serialized); unserialize($a[1]); } } $a = new A(); $s = serialize($a); echo $s; $d = unserialize($s);

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)
8.3.60.0070.00716.75
8.3.50.0060.01318.11
8.3.40.0180.00019.05
8.3.30.0150.00019.10
8.3.20.0040.00420.34
8.3.10.0040.00423.48
8.3.00.0040.00423.48
8.2.180.0140.00718.43
8.2.170.0110.00422.96
8.2.160.0130.00020.26
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00019.33
8.2.120.0050.00326.35
8.2.110.0030.00722.25
8.2.100.0040.00718.16
8.2.90.0000.00719.17
8.2.80.0000.00817.97
8.2.70.0050.00518.00
8.2.60.0060.00318.16
8.2.50.0040.00718.07
8.2.40.0000.00822.27
8.2.30.0000.00920.52
8.2.20.0040.00417.91
8.2.10.0040.00418.21
8.2.00.0040.00418.26
8.1.280.0000.01525.92
8.1.270.0080.00020.25
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0080.00317.70
8.1.220.0000.00717.77
8.1.210.0030.00618.77
8.1.200.0060.00317.48
8.1.190.0040.00417.48
8.1.180.0000.00818.10
8.1.170.0040.00418.68
8.1.160.0040.00420.84
8.1.150.0000.00718.97
8.1.140.0050.00319.57
8.1.130.0030.00517.73
8.1.120.0040.00417.66
8.1.110.0000.00917.72
8.1.100.0070.00017.63
8.1.90.0040.00417.55
8.1.80.0030.00617.55
8.1.70.0030.00517.64
8.1.60.0070.00317.73
8.1.50.0000.00817.72
8.1.40.0000.00817.66
8.1.30.0000.00817.67
8.1.20.0050.00317.63
8.1.10.0000.00817.60
8.1.00.0000.00817.71
8.0.300.0070.00018.77
8.0.290.0090.00016.88
8.0.280.0000.00718.53
8.0.270.0080.00017.36
8.0.260.0030.00317.33
8.0.250.0090.00017.26
8.0.240.0000.00817.24
8.0.230.0030.00317.25
8.0.220.0000.00717.14
8.0.210.0030.00317.21
8.0.200.0000.00617.10
8.0.190.0050.00517.23
8.0.180.0000.00717.15
8.0.170.0030.00517.16
8.0.160.0030.00317.18
8.0.150.0000.00717.02
8.0.140.0050.00217.09
8.0.130.0030.00313.53
8.0.120.0040.00417.14
8.0.110.0030.00517.11
8.0.100.0050.00317.02
8.0.90.0050.00517.13
8.0.80.0090.00617.23
8.0.70.0040.00416.96
8.0.60.0050.00217.27
8.0.50.0050.00317.08
8.0.30.0070.00917.40
8.0.20.0080.01317.40
8.0.10.0000.00717.14
8.0.00.0090.01016.97
7.4.330.0050.00016.89
7.4.320.0000.00716.71
7.4.300.0000.00816.65
7.4.290.0050.00216.64
7.4.280.0040.00416.65
7.4.270.0060.00016.61
7.4.260.0040.00416.66
7.4.250.0080.00016.67
7.4.240.0030.00316.68
7.4.230.0000.00716.78
7.4.220.0100.01116.70
7.4.210.0100.00716.68
7.4.200.0030.00516.66
7.4.160.0130.01016.68
7.4.150.0100.01017.40
7.4.140.0170.00517.86
7.4.130.0120.00516.81
7.4.120.0060.01316.72
7.4.110.0090.01316.86
7.4.100.0040.01416.72
7.4.90.0070.01016.59
7.4.80.0110.00719.39
7.4.70.0100.01016.63
7.4.60.0070.01016.60
7.4.50.0070.00716.33
7.4.40.0060.00916.79
7.4.30.0060.01216.88
7.4.00.0040.00414.84
7.3.330.0030.00313.57
7.3.320.0030.00313.58
7.3.310.0040.00416.47
7.3.300.0000.00716.64
7.3.290.0090.00816.48
7.3.280.0120.00516.52
7.3.270.0030.01317.40
7.3.260.0030.01316.72
7.3.250.0090.00916.75
7.3.240.0120.00516.66
7.3.230.0060.01316.80
7.3.210.0130.00316.72
7.3.200.0110.01116.75
7.3.190.0080.00816.67
7.3.180.0170.00316.77
7.3.170.0030.01416.76
7.3.160.0100.00516.61
7.3.120.0090.00915.21
7.3.110.0080.00815.04
7.3.100.0090.00615.12
7.3.90.0000.01115.27
7.3.80.0070.01114.77
7.3.70.0140.00314.93
7.3.60.0060.00615.11
7.3.50.0040.01115.07
7.3.40.0060.00914.67
7.3.30.0060.00914.80
7.3.20.0090.00616.87
7.3.10.0000.01016.61
7.3.00.0000.01516.89
7.2.330.0050.01616.80
7.2.320.0100.01017.01
7.2.310.0140.00317.01
7.2.300.0070.01016.89
7.2.290.0070.01416.87
7.2.240.0110.00714.98
7.2.230.0030.01415.13
7.2.220.0070.00714.96
7.2.210.0040.00715.17
7.2.200.0030.01615.39
7.2.190.0090.00315.34
7.2.180.0040.01115.24
7.2.170.0000.01415.04
7.2.160.0030.01014.97
7.2.150.0130.00317.32
7.2.140.0040.00817.17
7.2.130.0080.00316.88
7.2.120.0040.01417.21
7.2.110.0070.01017.06
7.2.100.0120.00316.84
7.2.90.0000.01417.18
7.2.80.0110.00616.93
7.2.70.0030.01416.74
7.2.60.0070.01017.14
7.2.50.0070.00716.83
7.2.40.0040.01416.94
7.2.30.0030.01217.24
7.2.20.0030.01217.18
7.2.10.0030.00717.08
7.2.00.0050.01018.49
7.1.330.0070.01115.85
7.1.320.0100.00616.11
7.1.310.0040.01116.07
7.1.300.0070.00715.91
7.1.290.0030.01316.02
7.1.280.0070.00416.07
7.1.270.0030.01015.76
7.1.260.0060.00616.07
7.1.250.0120.00316.10
7.1.200.0070.00316.06
7.1.100.0000.01018.28
7.1.70.0030.01217.25
7.1.60.0110.01419.52
7.1.50.0040.00716.86
7.1.00.0030.07722.28
7.0.200.0130.01015.02
7.0.60.0300.07019.82
7.0.50.0030.07017.79
7.0.40.0130.06320.16
7.0.30.0270.07020.30
7.0.20.0200.04320.33
7.0.10.0130.08020.24
7.0.00.0030.09320.37
5.6.280.0070.02721.11
5.6.210.0130.07720.65
5.6.200.0100.04718.20
5.6.190.0100.03720.51
5.6.180.0470.07320.67
5.6.170.0130.04320.57
5.6.160.0030.08320.54
5.6.150.0100.05718.12
5.6.140.0000.05718.15
5.6.130.0030.04018.25
5.6.120.0030.04320.90
5.6.110.0100.04721.04
5.6.100.0130.07721.05
5.6.90.0030.04721.08
5.6.80.0030.06020.51
5.5.350.0100.03320.41
5.5.340.0000.04318.05
5.5.330.0130.08020.35
5.5.320.0270.04720.32
5.5.310.0270.06020.29
5.5.300.0170.06317.96
5.5.290.0030.07717.94
5.5.280.0030.04020.85
5.5.270.0070.08320.88
5.5.260.0070.07720.95
5.5.250.0030.04020.55
5.5.240.0100.03020.13

preferences:
56.73 ms | 401 KiB | 5 Q