3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(serialize('test')); var_dump(serialize(1)); var_dump(serialize(true)); var_dump(serialize([])); var_dump(serialize(1.5)); var_dump(serialize(null)); var_dump(unserialize('s:4:"test";')); var_dump(unserialize('i:1;')); var_dump(unserialize('b:1;')); var_dump(unserialize('a:0:{};')); var_dump(unserialize('d:1.5;')); var_dump(unserialize('N;'));

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)
8.3.70.0070.01118.30
8.3.60.0070.01118.68
8.3.50.0130.00621.89
8.3.40.0060.00918.84
8.3.30.0000.01418.49
8.3.20.0080.00019.16
8.3.10.0070.00021.91
8.3.00.0040.00419.14
8.2.190.0070.01018.02
8.2.180.0150.00416.75
8.2.170.0120.00322.96
8.2.160.0070.00720.57
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0050.00317.68
8.2.120.0080.00026.35
8.2.110.0070.00319.26
8.2.100.0040.00817.68
8.2.90.0000.00819.09
8.2.80.0040.00417.97
8.2.70.0030.00617.34
8.2.60.0060.00317.80
8.2.50.0000.00918.09
8.2.40.0040.00421.97
8.2.30.0070.00019.35
8.2.20.0000.00717.68
8.2.10.0040.00418.00
8.2.00.0060.00317.98
8.1.280.0130.00725.92
8.1.270.0000.00723.92
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0060.00322.18
8.1.230.0060.00617.77
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0040.00420.57
8.1.150.0020.00519.02
8.1.140.0040.00419.48
8.1.130.0000.00717.59
8.1.120.0000.00817.28
8.1.110.0030.00517.38
8.1.100.0080.00017.31
8.1.90.0060.00317.23
8.1.80.0030.00317.42
8.1.70.0000.00817.32
8.1.60.0040.00417.44
8.1.50.0040.00417.32
8.1.40.0030.00517.44
8.1.30.0050.00317.45
8.1.20.0080.00017.48
8.1.10.0030.00517.43
8.1.00.0090.00317.20
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.35
8.0.270.0030.00317.21
8.0.260.0030.00317.11
8.0.250.0060.00016.93
8.0.240.0000.00716.93
8.0.230.0000.00716.88
8.0.220.0000.00716.87
8.0.210.0030.00316.85
8.0.200.0060.00316.79
8.0.190.0030.00516.88
8.0.180.0000.00716.92
8.0.170.0000.00816.90
8.0.160.0040.00416.86
8.0.150.0040.00416.68
8.0.140.0050.00216.86
8.0.130.0000.00513.36
8.0.120.0040.00416.73
8.0.110.0000.00716.82
8.0.100.0030.00516.91
8.0.90.0000.00716.73
8.0.80.0040.01716.78
8.0.70.0000.00816.77
8.0.60.0080.00016.84
8.0.50.0040.00416.91
8.0.30.0050.01417.11
8.0.20.0090.01017.40
8.0.10.0000.00716.81
8.0.00.0030.01416.72
7.4.330.0030.00216.71
7.4.320.0060.00016.43
7.4.300.0030.00316.34
7.4.290.0070.00316.30
7.4.280.0040.00716.24
7.4.270.0060.00016.50
7.4.260.0050.00316.31
7.4.250.0050.00316.46
7.4.240.0030.00316.41
7.4.230.0000.00716.49
7.4.220.0070.01116.47
7.4.210.0060.01016.43
7.4.200.0050.00216.27
7.4.160.0100.00716.12
7.4.150.0100.01017.40
7.4.140.0090.00917.86
7.4.130.0150.00616.56
7.4.120.0080.01216.40
7.4.110.0110.00916.43
7.4.100.0170.00016.57
7.4.90.0030.01616.19
7.4.80.0070.01719.39
7.4.70.0050.01416.41
7.4.60.0090.00616.26
7.4.50.0070.01016.09
7.4.40.0100.00716.39
7.4.30.0060.00916.36
7.4.00.0090.00614.86
7.3.330.0020.00213.10
7.3.320.0000.00512.92
7.3.310.0000.00816.17
7.3.300.0070.00016.14
7.3.290.0040.00416.16
7.3.280.0120.00516.22
7.3.270.0120.00917.40
7.3.260.0080.00916.22
7.3.250.0120.00916.33
7.3.240.0110.00516.24
7.3.230.0100.01016.39
7.3.210.0090.00616.28
7.3.200.0090.00916.25
7.3.190.0110.00516.28
7.3.180.0060.01516.34
7.3.170.0090.00916.21
7.3.160.0090.00616.43
7.3.10.0070.00716.55
7.3.00.0120.00416.36
7.2.330.0060.01216.36
7.2.320.0030.02016.38
7.2.310.0120.01116.50
7.2.300.0000.01716.42
7.2.290.0150.00916.32
7.2.130.0080.00316.59
7.2.120.0140.00016.87
7.2.110.0100.00016.72
7.2.100.0080.00816.60
7.2.90.0060.00916.75
7.2.80.0040.00716.46
7.2.70.0040.01116.47
7.2.60.0020.01416.51
7.2.50.0070.01016.74
7.2.40.0100.00016.81
7.2.30.0120.00316.64
7.2.20.0100.00316.75
7.2.10.0130.00016.81
7.2.00.0060.01016.82
7.1.250.0060.00615.41
7.1.200.0070.00715.59
7.1.70.0040.00417.03
7.1.60.0060.01919.85
7.1.50.0240.01434.66
7.1.00.0000.08022.28
7.0.200.0470.00614.56
7.0.100.0070.08319.90
7.0.90.0300.08020.05
7.0.80.0000.08020.04
7.0.70.0070.07719.89
7.0.60.0230.05019.92
7.0.50.0130.09020.27
7.0.40.0130.06320.06
7.0.30.0130.06719.98
7.0.20.0170.07320.08
7.0.10.0000.07020.04
7.0.00.0070.08020.02
5.6.280.0100.06720.77
5.6.250.0070.07720.58
5.6.240.0130.07720.66
5.6.230.0030.05020.68
5.6.220.0070.04320.64
5.6.210.0130.05720.62
5.6.200.0100.08320.95
5.6.190.0030.06020.95
5.6.180.0230.07021.11
5.6.170.0100.07021.11
5.6.160.0070.07720.92
5.6.150.0030.08320.94
5.6.140.0070.07021.00
5.6.130.0100.07720.99
5.6.120.0030.07321.11
5.6.110.0030.07020.95
5.6.100.0070.06721.12
5.6.90.0170.05020.99
5.6.80.0030.08320.40
5.6.70.0030.07020.45
5.6.60.0130.07320.42
5.6.50.0030.08020.36
5.6.40.0030.07720.49
5.6.30.0100.05320.53
5.6.20.0170.07720.45
5.6.10.0100.07720.46
5.6.00.0000.08020.47
5.5.380.0030.07320.43
5.5.370.0070.08020.57
5.5.360.0170.06020.43
5.5.350.0130.07720.45
5.5.340.0070.08720.64
5.5.330.0200.07320.77
5.5.320.0200.04020.93
5.5.310.0100.07320.64
5.5.300.0170.07720.91
5.5.290.0030.08320.73
5.5.280.0130.06720.79
5.5.270.0130.07720.82
5.5.260.0030.08720.91
5.5.250.0070.04720.71
5.5.240.0070.07720.30
5.5.230.0030.05320.25
5.5.220.0030.08320.29
5.5.210.0200.03320.18
5.5.200.0100.07320.24
5.5.190.0100.07320.15
5.5.180.0200.06720.11
5.5.160.0130.03320.22
5.5.150.0100.07020.23
5.5.140.0070.07020.14
5.5.130.0130.04020.16
5.5.120.0070.03720.18
5.5.110.0030.04320.26
5.5.100.0100.07720.13
5.5.90.0170.06320.11
5.5.80.0130.07020.15
5.5.70.0000.08020.06
5.5.60.0130.05720.10
5.5.50.0030.07320.05
5.5.40.0000.05720.09
5.5.30.0130.07320.02
5.5.20.0070.06720.08
5.5.10.0170.03719.97
5.5.00.0030.08320.10

preferences:
49.71 ms | 401 KiB | 5 Q