3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(array('1')); var_dump(wddx_serialize_vars($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)
8.3.60.0110.01118.55
8.3.50.0100.00921.99
8.3.40.0140.00018.79
8.3.30.0110.00418.55
8.3.20.0100.00720.25
8.3.10.0000.00721.96
8.3.00.0040.00418.04
8.2.180.0100.00716.48
8.2.170.0070.01022.96
8.2.160.0030.01020.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0100.00017.63
8.2.110.0040.00422.27
8.2.100.0090.00317.75
8.2.90.0040.00419.28
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0080.00017.77
8.2.50.0080.00018.07
8.2.40.0040.00419.43
8.2.30.0070.00022.30
8.2.20.0000.00717.67
8.2.10.0020.00518.04
8.2.00.0000.00718.17
8.1.280.0030.01225.92
8.1.270.0070.01121.86
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00622.56
8.1.230.0070.00317.42
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0030.00917.00
8.1.180.0040.00418.10
8.1.170.0000.00818.43
8.1.160.0070.00021.87
8.1.150.0030.00518.73
8.1.140.0040.00417.38
8.1.130.0000.00717.65
8.1.120.0030.00317.35
8.1.110.0000.00817.34
8.1.100.0000.00717.43
8.1.90.0040.00417.30
8.1.80.0050.00317.29
8.1.70.0070.00017.27
8.1.60.0030.00517.55
8.1.50.0020.00517.42
8.1.40.0000.00817.43
8.1.30.0050.00317.65
8.1.20.0050.00217.50
8.1.10.0040.00417.59
8.1.00.0060.00317.40
8.0.300.0080.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.38
8.0.270.0070.00017.20
8.0.260.0060.00017.09
8.0.250.0000.00716.96
8.0.240.0070.00017.00
8.0.230.0000.00816.95
8.0.220.0080.00016.88
8.0.210.0040.00416.94
8.0.200.0000.00717.01
8.0.190.0000.00816.84
8.0.180.0040.00416.92
8.0.170.0030.00616.80
8.0.160.0070.00016.97
8.0.150.0000.00816.80
8.0.140.0080.00316.84
8.0.130.0050.00313.36
8.0.120.0040.00416.88
8.0.110.0040.00416.90
8.0.100.0020.00516.80
8.0.90.0040.00416.83
8.0.80.0130.00716.86
8.0.70.0000.00716.84
8.0.60.0070.00016.84
8.0.50.0070.00016.85
8.0.30.0100.00617.04
8.0.20.0100.00817.40
8.0.10.0070.00017.13
8.0.00.0100.01116.66
7.4.330.0000.00515.08
7.4.320.0000.00716.49
7.4.300.0030.00316.58
7.4.290.0000.00716.55
7.4.280.0040.00416.50
7.4.270.0030.00316.64
7.4.260.0070.00016.58
7.4.250.0000.00816.44
7.4.240.0030.00316.45
7.4.230.0030.00316.58
7.4.220.0030.01516.50
7.4.210.0130.00716.61
7.4.200.0030.00316.36
7.4.160.0130.00316.52
7.4.150.0150.00317.40
7.4.140.0120.00717.86
7.4.130.0050.01416.50
7.4.120.0110.00616.43
7.4.110.0120.00616.42
7.4.100.0000.02116.54
7.4.90.0090.00916.43
7.4.80.0130.00319.39
7.4.70.0100.01016.36
7.4.60.0130.00316.48
7.4.50.0030.00516.35
7.4.40.0130.00916.41
7.4.30.0070.01416.47
7.4.00.0080.00815.05
7.3.330.0030.00313.00
7.3.320.0000.00513.16
7.3.310.0000.00716.27
7.3.300.0000.00816.17
7.3.290.0100.00616.26
7.3.280.0130.00616.26
7.3.270.0060.01017.40
7.3.260.0090.00916.50
7.3.250.0090.00816.33
7.3.240.0070.01116.31
7.3.230.0100.01316.47
7.3.210.0080.00816.48
7.3.200.0030.01316.50
7.3.190.0130.00316.51
7.3.180.0060.01016.18
7.3.170.0160.00016.58
7.3.160.0060.01516.32
7.3.10.0040.00716.45
7.3.00.0040.00716.63
7.2.330.0100.00716.59
7.2.320.0100.01016.54
7.2.310.0100.00716.42
7.2.300.0060.01316.35
7.2.290.0110.00616.43
7.2.130.0090.00316.83
7.2.120.0000.01216.84
7.2.110.0190.00516.42
7.2.100.0090.00516.38
7.2.90.0100.00716.60
7.2.80.0060.00816.67
7.2.70.0080.00716.69
7.2.60.0060.00716.81
7.2.50.0080.00616.76
7.2.40.0080.00816.74
7.2.30.0180.01016.77
7.2.20.0110.00516.76
7.2.10.0130.00216.86
7.2.00.0050.00817.52
7.1.250.0060.00315.40
7.1.230.0160.00415.57
7.1.220.0120.00815.58
7.1.210.0180.00015.61
7.1.200.0050.00715.69
7.1.190.0260.00615.62
7.1.180.0140.00515.46
7.1.170.0150.00015.63
7.1.160.0110.00815.58
7.1.150.0080.00815.43
7.1.140.0250.00415.64
7.1.130.0110.00615.58
7.1.120.0210.00615.70
7.1.110.0230.00415.47
7.1.100.0080.00616.76
7.1.90.0080.01115.55
7.1.80.0070.00715.58
7.1.70.0050.00816.31
7.1.60.0080.01317.51
7.1.50.0100.01316.34
7.1.40.0120.00615.77
7.1.30.0090.00615.54
7.1.20.0060.01515.94
7.1.10.0140.00315.60
7.1.00.0080.04019.12
7.0.310.0150.00215.21
7.0.300.0060.01115.32
7.0.290.0150.00715.07
7.0.280.0270.00615.10
7.0.270.0200.00315.05
7.0.260.0160.00315.21
7.0.250.0140.00315.13
7.0.240.0250.00315.26
7.0.230.0190.00715.30
7.0.220.0100.00715.42
7.0.210.0070.00715.34
7.0.200.0060.00515.96
7.0.190.0080.00815.26
7.0.180.0090.00915.10
7.0.170.0090.00515.31
7.0.160.0150.00815.16
7.0.150.0110.00515.38
7.0.140.0060.01015.30
7.0.130.0420.01015.39
7.0.120.0030.01015.44
7.0.110.0110.00415.28
7.0.100.0070.01015.32
7.0.90.0160.00315.34
7.0.80.0140.00315.26
7.0.70.0050.00915.31
7.0.60.0120.02917.67
7.0.50.0100.02016.72
7.0.40.0100.04116.73
7.0.30.0170.04116.83
7.0.20.0140.02616.61
7.0.10.0080.03216.80
7.0.00.0140.03816.86
5.6.380.0140.00614.08
5.6.370.0100.00813.97
5.6.360.0130.00314.52
5.6.350.0110.00914.42
5.6.340.0100.00713.84
5.6.330.0130.00313.86
5.6.320.0160.00314.25
5.6.310.0040.00914.51
5.6.300.0140.00514.13
5.6.290.0150.00014.20
5.6.280.0090.02517.69
5.6.270.0050.00714.43
5.6.260.0090.00414.40
5.6.250.0120.00414.39
5.6.240.0100.00714.36
5.6.230.0130.00314.23
5.6.220.0110.00414.40
5.6.210.0060.04117.34
5.6.200.0060.04416.27
5.6.190.0100.03217.38
5.6.180.0170.03217.43
5.6.170.0200.04017.41
5.6.160.0070.04517.40
5.6.150.0140.03816.10
5.6.140.0090.04316.09
5.6.130.0120.02816.26
5.6.120.0090.03217.60
5.6.110.0110.04417.51
5.6.100.0050.04517.47
5.6.90.0080.02317.63
5.6.80.0040.04117.24
5.6.70.0130.00314.25
5.6.60.0120.00013.86
5.6.50.0070.00714.10
5.6.40.0110.00514.03
5.6.30.0120.00413.78
5.6.20.0110.00314.04
5.6.10.0100.00514.33
5.6.00.0090.00414.21
5.5.380.0070.00712.79
5.5.370.0030.00812.79
5.5.360.0080.00312.79
5.5.350.0050.02716.61
5.5.340.0060.02415.36
5.5.330.0080.02216.46
5.5.320.0050.02516.50
5.5.310.0290.03316.46
5.5.300.0090.02015.33
5.5.290.0070.02815.38
5.5.280.0090.02416.81
5.5.270.0090.03916.87
5.5.260.0110.03816.81
5.5.250.0120.03616.78
5.5.240.1880.02316.41
5.5.230.0000.01512.79
5.5.220.0130.00012.79
5.5.210.0090.00612.79
5.5.200.0080.00412.79
5.5.190.0070.00312.79
5.5.180.0080.00512.79
5.5.170.0100.00714.20
5.5.160.0030.01012.79
5.5.150.0090.00312.79
5.5.140.0110.00312.79
5.5.130.0120.00412.79
5.5.120.0150.00012.79
5.5.110.0000.01012.79
5.5.100.0030.01112.79
5.5.90.0030.00712.79
5.5.80.0150.00412.79
5.5.70.0120.00312.79
5.5.60.0080.00612.79
5.5.50.0030.00612.79
5.5.40.0070.00712.79
5.5.30.0080.00312.79
5.5.20.0090.00612.79
5.5.10.0100.00412.79
5.5.00.0070.00712.79
5.4.450.0660.00115.91
5.4.440.0600.00316.07
5.4.430.0660.00116.05
5.4.420.0660.00116.00
5.4.410.0630.00415.95
5.4.400.0660.00215.75
5.4.390.0660.00115.75
5.4.380.0600.00315.83
5.4.370.0600.00415.90
5.4.360.0600.00315.91
5.4.350.0620.00215.89
5.4.340.0710.00215.84
5.4.330.0080.00312.79
5.4.320.0610.00415.89
5.4.310.0610.00215.90
5.4.300.0570.00315.91
5.4.290.0570.00515.89
5.4.280.0630.00015.71
5.4.270.0590.00215.92
5.4.260.0640.00015.82
5.4.250.0540.00015.84
5.4.240.0580.00215.92
5.4.230.0520.00415.86
5.4.220.0520.00515.70
5.4.210.0500.00515.88
5.4.200.0540.00215.71
5.4.190.0520.00515.89
5.4.180.0610.00415.83
5.4.170.0630.00015.82
5.4.160.0600.00315.82
5.4.150.0630.00215.69
5.4.140.0610.00014.53
5.4.130.0630.00014.55
5.4.120.0580.00314.47
5.4.110.0580.00314.54
5.4.100.0650.00014.63
5.4.90.0570.00414.47
5.4.80.0540.00614.56
5.4.70.0080.03014.63
5.4.60.0070.03414.59
5.4.50.0050.02014.49
5.4.40.0090.02214.61
5.4.30.0200.03514.57
5.4.20.0160.03814.58
5.4.10.0080.00812.79
5.4.00.0100.00312.79

preferences:
58.04 ms | 401 KiB | 5 Q