3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['one', 'terefere']; var_dump(serialize($arr));

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)
8.3.60.0090.00918.31
8.3.50.0060.01016.18
8.3.40.0090.00618.50
8.3.30.0110.00418.45
8.3.20.0000.00720.21
8.3.10.0090.00023.67
8.3.00.0050.00319.54
8.2.180.0060.01218.29
8.2.170.0140.00322.96
8.2.160.0040.01118.82
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00421.03
8.2.120.0050.00326.35
8.2.110.0100.00020.38
8.2.100.0120.00017.78
8.2.90.0080.00018.95
8.2.80.0040.00417.97
8.2.70.0040.00417.48
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0070.00020.64
8.2.30.0040.00420.90
8.2.20.0030.00617.98
8.2.10.0000.00817.86
8.2.00.0040.00418.04
8.1.280.0150.00625.92
8.1.270.0040.00424.01
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00921.83
8.1.230.0080.00319.04
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0050.00318.91
8.1.150.0040.00420.61
8.1.140.0070.00019.45
8.1.130.0000.00818.87
8.1.120.0050.00217.28
8.1.110.0050.00317.25
8.1.100.0000.00717.29
8.1.90.0040.00417.36
8.1.80.0000.00717.29
8.1.70.0030.00517.35
8.1.60.0040.00417.52
8.1.50.0030.00517.33
8.1.40.0030.00717.27
8.1.30.0040.00417.60
8.1.20.0040.00417.61
8.1.10.0020.00517.43
8.1.00.0040.00417.23
8.0.300.0040.00419.76
8.0.290.0000.00716.75
8.0.280.0070.00018.29
8.0.270.0000.00717.17
8.0.260.0030.00316.74
8.0.250.0030.00316.87
8.0.240.0040.00416.75
8.0.230.0060.00316.84
8.0.220.0040.00416.80
8.0.210.0070.00016.82
8.0.200.0030.00316.89
8.0.190.0060.00316.78
8.0.180.0000.00716.79
8.0.170.0000.01016.83
8.0.160.0030.00516.72
8.0.150.0080.00016.78
8.0.140.0070.00016.70
8.0.130.0030.00313.20
8.0.120.0040.00416.78
8.0.110.0040.00416.84
8.0.100.0000.00716.73
8.0.90.0000.00816.68
8.0.80.0120.00916.88
8.0.70.0000.00716.70
8.0.60.0040.00416.65
8.0.50.0070.00016.69
8.0.30.0100.01017.07
8.0.20.0090.01017.40
8.0.10.0000.00716.80
8.0.00.0180.00016.66
7.4.330.0030.00315.55
7.4.320.0000.00716.57
7.4.300.0030.00316.53
7.4.290.0070.00016.52
7.4.280.0040.00416.52
7.4.270.0040.00416.35
7.4.260.0000.01116.39
7.4.250.0040.00416.53
7.4.240.0000.00716.42
7.4.230.0000.00716.46
7.4.220.0070.01816.46
7.4.210.0140.00016.46
7.4.200.0000.00816.50
7.4.160.0050.01416.45
7.4.150.0090.01617.40
7.4.140.0090.00917.86
7.4.130.0160.00916.39
7.4.120.0090.01216.39
7.4.110.0100.01016.58
7.4.100.0140.00716.31
7.4.90.0130.00316.27
7.4.80.0030.01319.39
7.4.70.0130.00716.46
7.4.60.0070.01016.58
7.4.50.0030.01316.33
7.4.40.0060.01016.24
7.4.30.0140.00716.45
7.4.00.0040.01214.85
7.3.330.0060.00012.88
7.3.320.0050.00012.88
7.3.310.0040.00415.99
7.3.300.0000.00616.03
7.3.290.0070.01016.11
7.3.280.0080.00816.14
7.3.270.0170.00617.40
7.3.260.0070.01016.37
7.3.250.0070.01216.26
7.3.240.0120.00516.44
7.3.230.0100.01016.39
7.3.210.0070.01416.18
7.3.200.0030.01416.19
7.3.190.0040.01216.18
7.3.180.0110.00616.14
7.3.170.0030.01316.32
7.3.160.0090.00616.30
7.2.330.0060.01116.61
7.2.320.0030.01316.33
7.2.310.0040.01216.51
7.2.300.0060.01016.34
7.2.290.0080.01316.27
7.2.60.0090.00316.85
7.2.00.0080.00419.36
7.1.200.0030.01015.83
7.1.100.0070.00718.20
7.1.70.0100.01017.17
7.1.60.0290.00935.11
7.1.50.0310.01634.75
7.1.40.0220.01234.24
7.1.30.0300.00634.14
7.1.20.0240.01034.45
7.1.10.0060.00916.75
7.1.00.0100.01016.55
7.0.200.0110.00916.68
7.0.190.0090.01216.55
7.0.180.0090.01016.24
7.0.170.0060.00916.05
7.0.160.0090.01016.08
7.0.150.0110.00416.20
7.0.140.0060.01216.27
7.0.130.0060.01316.62
7.0.120.0060.01316.62
7.0.110.0060.01616.10
7.0.100.0100.01116.23
7.0.90.0060.01516.21
7.0.80.0100.00816.29
7.0.70.0050.01116.20
7.0.60.0030.01216.05
7.0.50.0040.01216.19
7.0.40.0060.01216.29
7.0.30.0060.00916.57
7.0.20.0040.01516.25
7.0.10.0160.00916.29
7.0.00.0160.00916.27

preferences:
30.7 ms | 401 KiB | 5 Q