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)
8.3.60.0070.01116.75
8.3.50.0110.00721.97
8.3.40.0120.00318.67
8.3.30.0080.00818.61
8.3.20.0040.00419.04
8.3.10.0000.00821.90
8.3.00.0070.00019.02
8.2.180.0140.00518.27
8.2.170.0070.01022.96
8.2.160.0040.01120.57
8.2.150.0050.00224.18
8.2.140.0030.00624.66
8.2.130.0070.00017.79
8.2.120.0030.00526.35
8.2.110.0060.00322.20
8.2.100.0070.00417.84
8.2.90.0050.00319.13
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0070.00317.98
8.2.30.0000.00817.96
8.2.20.0030.00617.46
8.2.10.0000.00718.01
8.2.00.0040.00417.95
8.1.280.0120.00325.92
8.1.270.0050.00223.97
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0060.00323.95
8.1.230.0030.00722.16
8.1.220.0030.00617.74
8.1.210.0090.00018.77
8.1.200.0040.00417.00
8.1.190.0000.00816.98
8.1.180.0000.00818.10
8.1.170.0070.00318.51
8.1.160.0050.00218.69
8.1.150.0000.00718.96
8.1.140.0020.00519.43
8.1.130.0030.00317.59
8.1.120.0000.00717.35
8.1.110.0040.00417.35
8.1.100.0000.00717.39
8.1.90.0050.00317.36
8.1.80.0000.00817.25
8.1.70.0050.00317.34
8.1.60.0030.00617.47
8.1.50.0040.00417.31
8.1.40.0040.00417.29
8.1.30.0000.00817.45
8.1.20.0000.00817.54
8.1.10.0040.00417.29
8.1.00.0000.01017.34
8.0.300.0040.00418.78
8.0.290.0050.00516.63
8.0.280.0030.00318.34
8.0.270.0000.00717.13
8.0.260.0030.00317.16
8.0.250.0030.00316.96
8.0.240.0000.00716.98
8.0.230.0080.00016.97
8.0.220.0000.00716.75
8.0.210.0030.00416.84
8.0.200.0030.00616.82
8.0.190.0000.00716.92
8.0.180.0070.00016.84
8.0.170.0040.00416.89
8.0.160.0000.00816.86
8.0.150.0070.00016.70
8.0.140.0070.00016.81
8.0.130.0030.00313.31
8.0.120.0000.00816.80
8.0.110.0000.00716.80
8.0.100.0060.00316.64
8.0.90.0030.00516.96
8.0.80.0060.00916.87
8.0.70.0040.00416.90
8.0.60.0070.00016.89
8.0.50.0000.00716.70
8.0.30.0070.01117.04
8.0.20.0130.01017.40
8.0.10.0000.00716.84
8.0.00.0090.01516.63
7.4.330.0030.00316.74
7.4.320.0000.00616.50
7.4.300.0030.00316.30
7.4.290.0060.00316.49
7.4.280.0070.00416.48
7.4.270.0040.00416.29
7.4.260.0000.00716.46
7.4.250.0050.00316.44
7.4.240.0070.00016.39
7.4.230.0070.00016.42
7.4.220.0030.01616.36
7.4.210.0090.00516.55
7.4.200.0030.00316.47
7.4.160.0080.00816.46
7.4.150.0070.01717.40
7.4.140.0080.01017.86
7.4.130.0050.01616.32
7.4.120.0070.01016.43
7.4.110.0110.00816.61
7.4.100.0080.00816.41
7.4.90.0030.01416.50
7.4.80.0070.01519.39
7.4.70.0080.00816.49
7.4.60.0160.00616.56
7.4.50.0070.00716.24
7.4.40.0070.01016.35
7.4.30.0030.01216.35
7.4.00.0110.00714.93
7.3.330.0000.00513.06
7.3.320.0000.00513.16
7.3.310.0030.00316.42
7.3.300.0070.00016.14
7.3.290.0040.00416.18
7.3.280.0050.01016.22
7.3.270.0160.00917.40
7.3.260.0080.00916.21
7.3.250.0120.01316.38
7.3.240.0090.00816.31
7.3.230.0070.01716.39
7.3.210.0170.00316.29
7.3.200.0060.01616.28
7.3.190.0160.00016.34
7.3.180.0060.01516.45
7.3.170.0100.00916.33
7.3.160.0100.00716.25
7.3.10.0120.00316.19
7.3.00.0030.00716.72
7.2.330.0130.01016.33
7.2.320.0120.01216.11
7.2.310.0030.01416.27
7.2.300.0110.00716.55
7.2.290.0060.01116.54
7.2.130.0100.00716.73
7.2.120.0100.00016.44
7.2.110.0060.00616.48
7.2.100.0070.00716.52
7.2.90.0050.01016.80
7.2.80.0040.00916.82
7.2.70.0130.00316.50
7.2.60.0050.00816.68
7.2.50.0100.00516.85
7.2.40.0080.00816.88
7.2.30.0100.00316.42
7.2.20.0030.00616.75
7.2.10.0030.00716.73
7.2.00.0050.01018.02
7.1.250.0040.00715.64
7.1.200.0030.01015.51
7.1.70.0040.00817.03
7.1.60.0090.01219.85
7.1.50.0030.01716.86
7.1.00.0030.07722.51
7.0.200.0090.00616.77
7.0.60.0730.04719.82
7.0.50.0570.06320.27
7.0.40.0170.05320.26
7.0.30.0230.05720.30
7.0.20.0170.06020.28
7.0.10.0130.06020.31
7.0.00.0300.05020.43
5.6.210.0500.05020.70
5.6.200.0630.05021.05
5.6.190.0600.05021.04
5.6.180.0100.06021.03
5.6.170.0200.05721.05
5.6.160.0230.05021.00
5.6.150.0130.06321.05
5.6.140.0200.06721.17
5.6.130.0200.05721.17
5.6.120.0170.05721.02
5.6.110.0130.06021.07
5.6.100.0070.08321.19
5.6.90.0200.05720.99
5.6.80.0230.04720.41
5.6.70.0170.05320.55
5.6.60.0200.05320.43
5.6.50.0300.04720.43
5.6.40.0230.04720.36
5.6.30.0170.05320.40
5.6.20.0200.05320.55
5.6.10.0170.05320.55
5.6.00.0230.04720.38
5.5.350.0630.05320.49
5.5.340.0500.05720.96
5.5.330.0330.05021.00
5.5.320.0170.05321.00
5.5.310.0100.06720.70
5.5.300.0130.06020.86
5.5.290.0170.05720.85
5.5.280.0170.05320.93
5.5.270.0200.05720.75
5.5.260.0330.04320.73
5.5.250.0100.05720.64
5.5.240.0200.05020.40
5.5.230.0130.06020.24
5.5.220.0230.04720.23
5.5.210.0300.04320.40
5.5.200.0330.03720.20
5.5.190.0200.05320.21
5.5.180.0130.06020.37
5.5.160.0200.05020.22
5.5.150.0130.05720.05
5.5.140.0230.05020.38
5.5.130.0230.05320.04
5.5.120.0300.04020.05
5.5.110.0130.06020.05
5.5.100.0170.05320.08
5.5.90.0130.05320.14
5.5.80.0170.05020.14
5.5.70.0200.05019.94
5.5.60.0230.07020.04
5.5.50.0200.05320.05
5.5.40.0200.05020.02
5.5.30.0100.06320.04
5.5.20.0270.04719.89
5.5.10.0200.05720.09
5.5.00.0130.06020.14

preferences:
48.99 ms | 401 KiB | 5 Q