3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $arr = array(array('1', array())); var_dump(wddx_serialize_vars($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)
8.3.70.0120.00616.63
8.3.60.0120.00918.30
8.3.50.0100.01022.05
8.3.40.0090.00618.75
8.3.30.0070.00718.67
8.3.20.0050.00220.21
8.3.10.0040.00421.60
8.3.00.0080.00017.91
8.2.180.0140.00316.63
8.2.170.0140.00022.96
8.2.160.0090.00620.23
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.00519.64
8.2.110.0100.00020.88
8.2.100.0040.00817.91
8.2.90.0040.00418.22
8.2.80.0050.00318.03
8.2.70.0060.00317.50
8.2.60.0030.00517.50
8.2.50.0000.00917.63
8.2.40.0090.00019.48
8.2.30.0040.00417.63
8.2.20.0070.00017.55
8.2.10.0000.00718.10
8.2.00.0000.00717.98
8.1.280.0040.01125.92
8.1.270.0050.00223.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0080.00320.98
8.1.220.0000.00817.75
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0060.00317.22
8.1.180.0000.00918.10
8.1.170.0040.00419.08
8.1.160.0040.00418.88
8.1.150.0030.00618.87
8.1.140.0030.00517.22
8.1.130.0030.00317.68
8.1.120.0030.00317.46
8.1.110.0040.00417.40
8.1.100.0000.00717.21
8.1.90.0000.00717.29
8.1.80.0040.00417.25
8.1.70.0000.00717.27
8.1.60.0040.00417.51
8.1.50.0000.00817.53
8.1.40.0030.00517.36
8.1.30.0000.00917.59
8.1.20.0040.00417.68
8.1.10.0000.00717.46
8.1.00.0040.00417.56
8.0.300.0000.00719.91
8.0.290.0070.00016.75
8.0.280.0030.00318.00
8.0.270.0040.00418.00
8.0.260.0030.00317.18
8.0.250.0000.00716.92
8.0.240.0000.00716.96
8.0.230.0000.00716.89
8.0.220.0040.00416.80
8.0.210.0040.00316.86
8.0.200.0030.00316.96
8.0.190.0040.00416.86
8.0.180.0000.00716.95
8.0.170.0050.00316.83
8.0.160.0070.00016.93
8.0.150.0030.00316.80
8.0.140.0030.00616.82
8.0.130.0000.00613.32
8.0.120.0000.00816.80
8.0.110.0050.00316.78
8.0.100.0040.00416.85
8.0.90.0000.00717.00
8.0.80.0090.00916.83
8.0.70.0000.00716.99
8.0.60.0070.00016.84
8.0.50.0040.00416.79
8.0.30.0070.01117.12
8.0.20.0140.00417.40
8.0.10.0030.00416.95
8.0.00.0040.01516.86
7.4.330.0060.00015.08
7.4.320.0000.00616.49
7.4.300.0060.00016.49
7.4.290.0070.00016.41
7.4.280.0050.00316.59
7.4.270.0000.00716.58
7.4.260.0040.00416.41
7.4.250.0040.00416.47
7.4.240.0070.00016.54
7.4.230.0030.00316.60
7.4.220.0110.00716.68
7.4.210.0070.01116.62
7.4.200.0000.00716.33
7.4.160.0040.01116.45
7.4.150.0070.01017.40
7.4.140.0110.00717.86
7.4.130.0090.01116.43
7.4.120.0100.00716.49
7.4.110.0030.01416.49
7.4.100.0140.00716.50
7.4.90.0150.00416.62
7.4.80.0170.00719.39
7.4.70.0110.01116.45
7.4.60.0100.00716.39
7.4.50.0000.00816.28
7.4.40.0040.01216.47
7.4.30.0110.00816.55
7.4.00.0100.00715.01
7.3.330.0000.00612.98
7.3.320.0000.00613.07
7.3.310.0070.00016.34
7.3.300.0040.00416.23
7.3.290.0080.00816.23
7.3.280.0080.00716.23
7.3.270.0100.00717.40
7.3.260.0040.01816.14
7.3.250.0100.00816.37
7.3.240.0120.00616.25
7.3.230.0140.00316.46
7.3.210.0090.00616.50
7.3.200.0110.00616.34
7.3.190.0060.00916.42
7.3.180.0060.01516.36
7.3.170.0090.00916.27
7.3.160.0170.00016.30
7.2.330.0130.00316.68
7.2.320.0070.01016.29
7.2.310.0060.01016.77
7.2.300.0070.01016.27
7.2.290.0140.00316.37
7.2.110.0350.00716.65
7.2.60.0070.00316.48
7.2.00.0040.01419.06
7.1.200.0000.00615.60
7.1.100.0000.01218.28
7.1.70.0030.00517.09
7.1.60.0140.00719.19
7.1.50.0000.01316.72
7.1.00.0030.07722.44
7.0.200.0030.00616.75
7.0.60.0170.07319.83
7.0.50.0130.07317.81
7.0.40.0030.07320.31
7.0.30.0500.08020.00
7.0.20.0200.04020.33
7.0.10.0070.08720.21
7.0.00.0130.08020.20
5.6.280.0000.07021.09
5.6.210.0100.05020.72
5.6.200.0070.04718.15
5.6.190.0070.04020.61
5.6.180.0230.04720.60
5.6.170.0230.08320.62
5.6.160.0030.08320.32
5.6.150.0030.04018.11
5.6.140.0070.03318.12
5.6.130.0100.06018.12
5.6.120.0000.09320.98
5.6.110.0100.05020.99
5.6.100.0030.08021.10
5.6.90.0100.07721.13
5.6.80.0100.06720.37
5.5.350.0030.07720.48
5.5.340.0100.08018.00
5.5.330.0070.08320.23
5.5.320.0170.07020.27
5.5.310.0170.04020.28
5.5.300.0030.06318.02
5.5.290.0030.08017.91
5.5.280.0070.08320.76
5.5.270.0100.04320.86
5.5.260.0000.05720.95
5.5.250.0100.04720.60
5.5.240.4200.03020.25
5.4.450.0830.00019.24
5.4.440.0800.00019.21
5.4.430.0900.00018.94
5.4.420.0700.00019.35
5.4.410.0700.00019.19
5.4.400.0670.00018.89
5.4.390.0700.00018.63
5.4.380.0730.00018.99
5.4.370.0770.00018.71
5.4.360.1000.00018.90
5.4.350.0700.00018.91
5.4.340.0700.00018.98
5.4.320.0700.00018.91
5.4.310.0670.00018.99
5.4.300.0770.00018.88
5.4.290.0700.00019.02
5.4.280.0770.00018.72
5.4.270.0730.00018.98
5.4.260.0670.00019.01
5.4.250.0670.00018.89
5.4.240.0670.00018.70
5.4.230.0700.00019.02
5.4.220.0800.00018.96
5.4.210.0930.00018.88
5.4.200.0700.00019.02
5.4.190.0730.00018.81
5.4.180.0900.00019.00
5.4.170.0670.00018.90
5.4.160.0700.00018.99
5.4.150.0670.00018.87
5.4.140.0630.00016.35
5.4.130.0800.00016.14
5.4.120.0670.00016.28
5.4.110.0670.00016.16
5.4.100.0700.00016.36
5.4.90.0630.00016.41
5.4.80.0630.00016.05
5.4.70.0030.07316.37
5.4.60.0000.04716.42
5.4.50.0070.03716.45
5.4.40.0130.04016.29
5.4.30.0270.04316.20
5.4.20.0200.06716.15

preferences:
49.09 ms | 401 KiB | 5 Q