3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = str_repeat('a', 70000); $serialized = serialize($str); var_dump($serialized); var_dump(unserialize($serialized));

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)
8.3.60.0070.00718.31
8.3.50.0110.00622.05
8.3.40.0040.01118.72
8.3.30.0110.00418.65
8.3.20.0030.00518.63
8.3.10.0040.00420.26
8.3.00.0000.00923.70
8.2.180.0070.01016.63
8.2.170.0100.00322.96
8.2.160.0070.00722.25
8.2.150.0130.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00319.49
8.2.110.0030.00622.13
8.2.100.0090.00318.03
8.2.90.0070.00019.23
8.2.80.0040.00418.18
8.2.70.0040.00417.48
8.2.60.0030.00318.13
8.2.50.0040.00418.07
8.2.40.0030.00318.34
8.2.30.0030.00319.86
8.2.20.0080.00017.88
8.2.10.0030.00317.96
8.2.00.0070.00017.95
8.1.280.0130.00325.92
8.1.270.0000.00923.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00620.81
8.1.230.0060.00621.04
8.1.220.0040.00418.77
8.1.210.0000.00819.01
8.1.200.0030.00617.48
8.1.190.0040.00417.78
8.1.180.0000.00718.10
8.1.170.0070.00018.96
8.1.160.0030.00319.15
8.1.150.0000.00718.82
8.1.140.0040.00417.67
8.1.130.0000.00618.20
8.1.120.0000.00717.61
8.1.110.0030.00317.69
8.1.100.0040.00417.69
8.1.90.0030.00317.71
8.1.80.0000.00717.67
8.1.70.0060.00017.70
8.1.60.0040.00417.83
8.1.50.0030.00317.70
8.1.40.0080.00017.67
8.1.30.0070.00017.82
8.1.20.0050.00217.85
8.1.10.0040.00417.61
8.1.00.0040.00417.71
8.0.300.0000.00720.05
8.0.290.0040.00416.88
8.0.280.0030.00318.55
8.0.270.0030.00317.30
8.0.260.0060.00016.95
8.0.250.0030.00316.96
8.0.240.0060.00317.06
8.0.230.0060.00016.86
8.0.220.0030.00316.80
8.0.210.0070.00016.91
8.0.200.0030.00316.93
8.0.190.0000.00716.89
8.0.180.0030.00316.97
8.0.170.0040.00416.88
8.0.160.0070.00416.95
8.0.150.0040.00417.00
8.0.140.0030.00616.91
8.0.130.0050.00013.44
8.0.120.0040.00416.95
8.0.110.0030.00316.92
8.0.100.0040.00416.76
8.0.90.0070.00016.79
8.0.80.0100.00317.04
8.0.70.0000.00716.93
8.0.60.0050.00216.73
8.0.50.0030.00316.95
8.0.30.0110.01216.91
8.0.20.0130.00417.40
8.0.10.0030.00317.04
8.0.00.0130.00716.78
7.4.330.0000.00514.62
7.4.320.0040.00416.62
7.4.300.0000.00616.52
7.4.290.0000.00616.52
7.4.280.0000.00816.48
7.4.270.0030.00316.55
7.4.260.0030.00313.49
7.4.250.0000.00716.65
7.4.240.0060.00016.50
7.4.230.0070.00016.45
7.4.220.0110.01116.59
7.4.210.0090.00616.47
7.4.200.0030.00316.71
7.4.190.0060.00016.43
7.4.160.0070.01016.51
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0090.00916.49
7.4.120.0110.00616.41
7.4.110.0110.00716.28
7.4.100.0130.00716.38
7.4.90.0090.01516.64
7.4.80.0130.00319.04
7.4.70.0110.01116.48
7.4.60.0130.00616.49
7.4.50.0000.00816.59
7.4.40.0080.00822.27
7.4.30.0080.00816.31
7.3.330.0050.00013.16
7.3.320.0030.00313.07
7.3.310.0000.00816.07
7.3.300.0000.00816.13
7.3.290.0030.01016.21
7.3.280.0110.00316.26
7.3.270.0060.01217.40
7.3.260.0200.00618.24
7.3.250.0120.00516.31
7.3.240.0170.00016.57
7.3.230.0080.00916.50
7.3.210.0120.00616.64
7.3.200.0060.01319.39
7.3.190.0040.01316.16
7.3.180.0060.00916.48
7.3.170.0070.01016.48
7.3.160.0080.01116.33
7.2.330.0140.00716.41
7.2.320.0190.00316.49
7.2.310.0120.00916.77
7.2.300.0060.01016.48
7.2.290.0070.00716.61
7.2.100.0950.00314.64
7.2.90.0930.00614.51
7.2.80.1120.00314.69
7.2.70.0750.00314.77
7.2.60.0380.00014.76
7.2.50.0850.00714.69
7.2.40.0920.00315.00
7.2.30.1100.00315.08
7.2.20.0620.00714.60
7.2.10.0870.00015.04
7.2.00.1230.00014.70
7.1.220.0340.00714.00
7.1.210.0730.01013.68
7.1.200.0540.00613.98
7.1.190.0050.00513.89
7.1.180.0620.00713.68
7.1.170.0320.00013.78
7.1.160.0290.00013.95
7.1.150.0930.00413.70
7.1.140.0060.00913.73
7.1.130.0090.00613.65
7.1.120.0090.00313.92
7.1.110.0130.00413.61
7.1.100.0250.00613.95
7.1.90.1100.00713.80
7.1.80.1440.00313.82
7.1.70.0990.00613.86
7.1.60.1010.00632.06
7.1.50.0500.00631.68
7.1.40.1250.00632.05
7.1.30.0250.00631.98
7.1.20.1030.01631.77
7.1.10.0050.00514.10
7.1.00.0150.00013.72
7.0.310.0590.00013.68
7.0.300.0990.00813.61
7.0.290.0100.00313.61
7.0.280.1450.00013.61
7.0.270.1170.00013.61
7.0.260.0880.00013.61
7.0.250.0330.00013.64
7.0.240.0080.00413.61
7.0.230.0450.00713.61
7.0.220.0850.00713.61
7.0.210.1350.00013.61
7.0.200.1060.00713.87
7.0.190.0780.00313.61
7.0.180.0350.01213.66
7.0.170.1340.00013.61
7.0.160.1690.00313.63
7.0.150.1180.00913.61
7.0.140.1020.01013.64
7.0.130.0050.00913.61
7.0.120.1120.01013.66
7.0.110.1230.01013.73
7.0.100.0110.00013.66
7.0.90.0080.00413.61
7.0.80.1640.00013.61
7.0.70.0100.00013.61
7.0.60.1290.00413.61
7.0.50.1360.00313.61
7.0.40.1370.00313.82
7.0.30.0110.00313.73
7.0.20.1920.00313.61
7.0.10.0460.00713.75
7.0.00.1730.00613.70
5.6.380.0040.00714.12
5.6.370.0050.00514.34
5.6.360.0050.00514.36
5.6.350.0030.00714.19
5.6.340.0080.00413.85
5.6.330.0050.00514.03
5.6.320.0110.00014.02
5.6.310.0000.01114.11
5.6.300.0110.00014.12
5.6.290.0040.00814.13
5.6.280.0070.00414.09
5.6.270.0040.00614.24
5.6.260.0080.00514.31
5.6.250.0040.00714.26
5.6.240.0070.00414.11
5.6.230.0080.00313.87
5.6.220.0080.00314.14
5.6.210.0100.00014.32
5.6.200.0110.00014.21
5.6.190.0000.01214.33
5.6.180.0000.01114.27
5.6.170.0070.00414.31
5.6.160.0000.01214.20
5.6.150.0050.00514.00
5.6.140.0090.00314.36
5.6.130.0120.00014.49
5.6.120.0090.00314.07
5.6.110.0000.01214.37
5.6.100.0000.01114.30
5.6.90.0060.00614.25
5.6.80.0000.01114.07
5.6.70.0000.01214.39
5.6.60.0070.00714.02
5.6.50.0050.00514.34
5.6.40.0080.00414.17
5.6.30.0110.00014.15
5.6.20.0070.00413.89
5.6.10.0080.00414.18
5.6.00.0120.00014.13
5.5.380.0030.00613.61
5.5.370.0080.00013.61
5.5.360.0000.00813.61
5.5.350.0070.00013.61
5.5.340.0080.00013.61
5.5.330.0080.00013.61
5.5.320.0040.00413.61
5.5.310.0000.01313.61
5.5.300.0080.00313.61
5.5.290.0030.00613.61
5.5.280.0000.00913.61
5.5.270.0000.00813.61
5.5.260.0000.00813.61
5.5.250.0000.00813.61
5.5.240.0000.01013.61
5.5.230.0030.00513.61
5.5.220.0030.00513.61
5.5.210.0060.00313.61
5.5.200.0080.00013.61
5.5.190.0040.00413.61
5.5.180.0050.00513.61
5.5.170.0060.00613.89
5.5.160.0040.00413.61
5.5.150.0040.00413.61
5.4.450.0100.00213.61
5.4.440.0090.00213.61
5.4.430.0100.00013.61
5.4.420.0100.00013.61
5.4.410.0050.00513.61
5.4.400.0040.00813.61
5.4.390.0000.01113.61
5.4.380.0030.00613.61
5.4.370.0100.00013.61
5.4.360.0060.00313.61
5.4.350.0050.00313.61
5.4.340.0000.00813.61
5.4.330.0000.00813.61
5.4.320.0110.00013.61
5.3.290.0100.00013.61

preferences:
51.18 ms | 401 KiB | 5 Q