3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(serialize(null)); var_dump(serialize('foo')); var_dump(serialize(4)); var_dump(serialize(true));

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)
8.3.40.0080.00818.46
8.3.30.0140.00018.42
8.3.20.0050.00321.81
8.3.10.0040.00423.48
8.3.00.0000.00919.44
8.2.170.0040.01122.96
8.2.160.0030.01019.29
8.2.150.0020.00524.18
8.2.140.0020.00524.66
8.2.130.0040.00420.57
8.2.120.0070.00026.35
8.2.110.0060.00320.38
8.2.100.0090.00319.51
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0070.00317.92
8.2.50.0030.00618.10
8.2.40.0040.00420.42
8.2.30.0000.00719.11
8.2.20.0000.00717.86
8.2.10.0000.00817.98
8.2.00.0070.00017.83
8.1.270.0080.00018.78
8.1.260.0030.00626.35
8.1.250.0050.00228.09
8.1.240.0050.00522.87
8.1.230.0100.00017.77
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0070.00317.11
8.1.190.0030.00716.88
8.1.180.0040.00418.10
8.1.170.0030.00618.44
8.1.160.0040.00418.71
8.1.150.0040.00418.68
8.1.140.0040.00419.45
8.1.130.0070.00018.77
8.1.120.0040.00317.27
8.1.110.0050.00517.39
8.1.100.0000.00717.39
8.1.90.0070.00017.39
8.1.80.0050.00217.31
8.1.70.0070.00017.34
8.1.60.0030.00617.45
8.1.50.0040.00417.39
8.1.40.0070.00317.38
8.1.30.0000.00717.44
8.1.20.0000.00717.41
8.1.10.0070.00017.38
8.1.00.0080.00317.38
8.0.300.0000.00819.81
8.0.290.0070.00016.58
8.0.280.0080.00018.22
8.0.270.0040.00417.13
8.0.260.0060.00017.00
8.0.250.0030.00316.75
8.0.240.0000.00916.81
8.0.230.0040.00416.78
8.0.220.0070.00016.80
8.0.210.0050.00316.72
8.0.200.0040.00416.69
8.0.190.0110.00016.77
8.0.180.0040.00416.67
8.0.170.0040.00416.81
8.0.160.0040.00416.76
8.0.150.0000.00816.59
8.0.140.0040.00416.58
8.0.130.0000.00713.23
8.0.120.0030.00316.66
8.0.110.0050.00216.67
8.0.100.0070.00016.56
8.0.90.0040.00416.81
8.0.80.0070.01416.79
8.0.70.0040.00416.82
8.0.60.0060.00316.65
8.0.50.0040.00416.59
8.0.30.0070.01116.98
8.0.20.0140.00817.40
8.0.10.0000.00816.90
8.0.00.0030.01316.64
7.4.330.0000.00515.55
7.4.320.0030.00316.48
7.4.300.0030.00316.45
7.4.290.0050.00516.48
7.4.280.0050.00316.41
7.4.270.0040.00416.38
7.4.260.0000.00716.37
7.4.250.0000.00816.35
7.4.240.0000.00816.41
7.4.230.0000.00716.49
7.4.220.0060.01216.47
7.4.210.0070.00716.34
7.4.200.0020.00516.42
7.4.160.0030.01216.46
7.4.150.0160.00417.40
7.4.140.0060.01317.86
7.4.130.0150.00316.35
7.4.120.0110.00816.32
7.4.110.0180.00716.49
7.4.100.0070.01016.41
7.4.90.0040.01316.44
7.4.80.0090.01219.39
7.4.70.0070.01016.30
7.4.60.0110.00716.50
7.4.50.0030.01316.34
7.4.40.0100.00716.57
7.4.30.0100.00716.52
7.4.10.0150.00314.75
7.4.00.0090.00614.78
7.3.330.0000.00612.86
7.3.320.0030.00313.07
7.3.310.0030.00316.07
7.3.300.0000.00616.18
7.3.290.0100.00716.09
7.3.280.0100.00816.17
7.3.270.0040.01417.40
7.3.260.0110.00516.24
7.3.250.0140.01016.29
7.3.240.0120.00716.13
7.3.230.0070.01016.08
7.3.210.0140.00316.35
7.3.200.0080.00816.18
7.3.190.0030.01216.25
7.3.180.0090.00816.05
7.3.170.0060.01016.18
7.3.160.0140.00316.09
7.3.130.0090.00314.67
7.3.120.0030.01314.62
7.3.110.0030.01314.68
7.3.100.0090.00614.37
7.3.90.0060.00914.42
7.3.80.0110.00014.65
7.3.70.0070.00714.71
7.3.60.0070.01014.58
7.3.50.0030.01214.68
7.3.40.0040.00814.71
7.3.30.0030.00914.71
7.3.20.0070.01116.22
7.3.10.0060.00616.76
7.3.00.0060.00616.29
7.2.330.0060.01016.10
7.2.320.0080.00816.27
7.2.310.0100.00516.50
7.2.300.0090.00916.44
7.2.290.0090.00816.32
7.2.260.0080.01214.80
7.2.250.0070.01115.01
7.2.240.0070.00714.77
7.2.230.0040.01114.77
7.2.220.0070.01014.83
7.2.210.0000.01214.91
7.2.200.0100.00314.72
7.2.190.0070.00714.95
7.2.180.0060.00314.75
7.2.170.0030.00714.84
7.2.160.0040.01514.74
7.2.150.0070.01116.45
7.2.140.0030.01516.57
7.2.130.0030.00916.42
7.2.120.0110.00616.66
7.2.110.0100.00016.73
7.2.100.0000.01116.64
7.2.90.0080.00416.79
7.2.80.0030.01316.64
7.2.70.0040.01116.71
7.2.60.0100.00516.79
7.2.50.0100.00716.56
7.2.40.0070.00416.78
7.2.30.0070.00716.88
7.2.20.0030.00916.57
7.2.10.0030.00616.84
7.2.00.0030.00817.84
7.1.330.0030.00515.54
7.1.320.0080.00515.77
7.1.310.0060.01115.29
7.1.300.0030.01215.73
7.1.290.0000.01515.72
7.1.280.0040.00715.36
7.1.270.0040.00815.66
7.1.260.0110.00715.88
7.1.250.0040.01115.87
7.1.240.0000.01215.63
7.1.230.0130.00315.52
7.1.220.0030.01415.45
7.1.210.0060.00615.43
7.1.200.0070.00715.55
7.1.190.0030.01015.64
7.1.180.0030.00615.53
7.1.170.0070.00715.65
7.1.160.0000.01215.63
7.1.150.0080.00315.79
7.1.140.0070.00715.27
7.1.130.0030.00715.81
7.1.120.0000.01315.64
7.1.110.0080.00415.52
7.1.100.0040.00716.65
7.1.90.0040.00415.66
7.1.80.0030.00915.79
7.1.70.0060.00716.23
7.1.60.0050.00616.42
7.1.50.0410.01024.03
7.1.40.0370.00523.92
7.1.30.0380.01024.10
7.1.20.0450.01224.17
7.1.10.0260.00615.04
7.1.00.0270.01215.12
7.0.330.0060.00614.93
7.0.320.0030.01315.20
7.0.310.0090.00615.15
7.0.300.0030.01015.29
7.0.290.0040.01114.93
7.0.280.0030.00715.25
7.0.270.0030.00715.25
7.0.260.0060.00915.48
7.0.250.0040.00414.92
7.0.240.0070.00415.16
7.0.230.0070.00415.41
7.0.220.0000.01115.11
7.0.210.0000.01315.04
7.0.200.0030.01115.79
7.0.190.0400.00214.98
7.0.180.0270.01114.70
7.0.170.0380.00814.83
7.0.160.0270.01014.72
7.0.150.0280.00714.52
7.0.140.0300.00914.56
7.0.130.0250.00914.96
7.0.120.0290.00514.94
7.0.110.0330.01214.84
7.0.100.0270.01014.71
7.0.90.0270.01114.81
7.0.80.0270.00814.81
7.0.70.0360.00614.73
7.0.60.0280.01014.64
7.0.50.0380.00914.62
7.0.40.0240.01113.94
7.0.30.0250.00913.92
7.0.20.0410.00813.88
7.0.10.0230.01113.89
7.0.00.0270.00513.91
5.6.400.0000.01014.15
5.6.390.0070.01014.48
5.6.380.0040.00714.26
5.6.370.0080.00314.35
5.6.360.0040.00714.17
5.6.350.0060.00914.13
5.6.340.0030.01314.19
5.6.330.0030.00613.88
5.6.320.0030.00514.11
5.6.310.0070.01014.27
5.6.300.0070.01113.94
5.6.290.0050.00514.18
5.6.280.0040.01213.83
5.6.270.0110.00414.18
5.6.260.0090.00614.16
5.6.250.0100.00314.05
5.6.240.0080.00014.20
5.6.230.0070.00314.41
5.6.220.0030.00614.05
5.6.210.0100.00314.13
5.6.200.0080.00414.25
5.6.190.0070.00714.00
5.6.180.0030.00914.43
5.6.170.0070.00714.23
5.6.160.0040.01114.14
5.6.150.0030.01014.17
5.6.140.0040.01114.20
5.6.130.0080.00814.30
5.6.120.0030.00914.16
5.6.110.0030.01014.14
5.6.100.0080.00313.89
5.6.90.0080.00414.25
5.6.80.0080.00414.18
5.6.70.0060.00614.02
5.6.60.0110.00413.90
5.6.50.0100.00314.29
5.6.40.0060.00613.96
5.6.30.0070.01014.07
5.6.20.0030.01014.02
5.6.10.0070.00313.79
5.6.00.0080.00514.14

preferences:
57.99 ms | 400 KiB | 5 Q