3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = 5.5; $c = array('hhh'=>"blue", "orange", "violet"); $d = "colors"; $clvars = array("c", "d"); echo wddx_serialize_vars("a", "b", $clvars);

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)
8.3.70.0040.01116.50
8.3.60.0120.00918.55
8.3.50.0110.00521.04
8.3.40.0140.00018.76
8.3.30.0100.00718.57
8.3.20.0140.00420.18
8.3.10.0050.00321.63
8.3.00.0080.00017.80
8.2.180.0060.01316.50
8.2.170.0090.00622.96
8.2.160.0120.00320.34
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0090.00317.63
8.2.110.0030.00622.13
8.2.100.0090.00317.63
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0080.00019.21
8.2.30.0000.00720.49
8.2.20.0000.00717.67
8.2.10.0000.00818.00
8.2.00.0070.00018.15
8.1.280.0120.00325.92
8.1.270.0060.00324.66
8.1.260.0080.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.20
8.1.230.0120.00017.42
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0070.00417.35
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0080.00018.51
8.1.160.0040.00421.86
8.1.150.0050.00218.66
8.1.140.0030.00517.38
8.1.130.0030.00317.54
8.1.120.0000.00717.28
8.1.110.0050.00217.37
8.1.100.0000.00717.30
8.1.90.0030.00317.37
8.1.80.0040.00417.39
8.1.70.0000.00717.42
8.1.60.0060.00317.36
8.1.50.0050.00217.48
8.1.40.0040.00417.39
8.1.30.0000.00817.67
8.1.20.0040.00417.71
8.1.10.0040.00417.61
8.1.00.0080.00017.43
8.0.300.0000.00718.77
8.0.290.0000.00816.62
8.0.280.0030.00318.37
8.0.270.0000.00817.16
8.0.260.0030.00317.09
8.0.250.0000.00716.91
8.0.240.0000.00816.94
8.0.230.0030.00316.92
8.0.220.0030.00316.91
8.0.210.0070.00016.76
8.0.200.0000.00716.95
8.0.190.0040.00416.90
8.0.180.0040.00416.93
8.0.170.0000.00716.94
8.0.160.0030.00316.98
8.0.150.0050.00316.73
8.0.140.0000.01016.92
8.0.130.0000.00813.37
8.0.120.0050.00316.88
8.0.110.0040.00416.81
8.0.100.0050.00316.82
8.0.90.0070.00016.86
8.0.80.0140.00316.76
8.0.70.0030.00616.94
8.0.60.0000.00816.82
8.0.50.0000.00716.86
8.0.30.0100.00817.04
8.0.20.0090.01017.40
8.0.10.0070.00016.96
8.0.00.0090.00916.64
7.4.330.0020.00215.08
7.4.320.0030.00316.43
7.4.300.0030.00316.57
7.4.290.0030.00316.39
7.4.280.0050.00316.43
7.4.270.0040.00416.59
7.4.260.0040.00416.57
7.4.250.0080.00016.59
7.4.240.0030.00416.49
7.4.230.0000.00716.40
7.4.220.0170.00716.49
7.4.210.0070.00716.48
7.4.200.0030.00316.39
7.4.160.0130.00316.65
7.4.150.0170.00017.40
7.4.140.0130.00617.86
7.4.130.0060.01316.47
7.4.120.0080.01116.75
7.4.110.0110.00716.50
7.4.100.0100.00716.50
7.4.90.0030.01416.67
7.4.80.0180.00019.39
7.4.70.0140.01116.68
7.4.60.0090.00616.54
7.4.50.0030.00516.62
7.4.40.0050.01116.39
7.4.30.0070.01516.38
7.4.00.0070.01214.89
7.3.330.0020.00213.17
7.3.320.0060.00013.15
7.3.310.0070.00016.20
7.3.300.0030.00316.20
7.3.290.0100.00716.24
7.3.280.0090.00916.29
7.3.270.0170.00017.40
7.3.260.0070.01016.18
7.3.250.0130.00516.44
7.3.240.0070.01016.25
7.3.230.0070.01116.48
7.3.210.0120.00516.21
7.3.200.0090.00616.26
7.3.190.0120.00416.25
7.3.180.0090.00916.44
7.3.170.0160.00316.31
7.3.160.0150.00616.53
7.3.120.0030.01314.65
7.3.110.0100.00714.66
7.3.100.0080.00614.63
7.3.90.0080.00514.85
7.3.80.0030.01114.75
7.3.70.0020.00814.87
7.3.60.0070.00714.85
7.3.50.0010.00914.79
7.3.40.0040.00814.78
7.3.30.0110.00314.69
7.3.20.0050.00516.69
7.3.10.0110.00616.60
7.3.00.0100.00616.50
7.2.330.0190.01016.43
7.2.320.0030.01416.53
7.2.310.0040.01316.58
7.2.300.0090.00916.31
7.2.290.0120.00616.45
7.2.250.0060.01114.98
7.2.240.0100.01014.91
7.2.230.0090.00614.83
7.2.220.0050.00714.90
7.2.210.0020.01114.66
7.2.200.0080.00514.90
7.2.190.0080.00514.81
7.2.180.0010.01114.87
7.2.170.0030.01214.96
7.2.130.0180.00715.88
7.2.120.0170.00316.66
7.2.110.0090.00916.38
7.2.100.0180.00016.20
7.2.90.0150.00316.12
7.2.80.0130.00716.11
7.2.70.0210.00216.29
7.2.60.0100.00916.50
7.2.50.0110.00716.47
7.2.40.0090.01215.84
7.2.30.0090.01016.17
7.2.20.0170.00416.61
7.2.10.0100.00616.28
7.2.00.0040.01017.93
7.1.330.0050.01115.81
7.1.320.0060.00515.76
7.1.310.0040.01015.51
7.1.300.0070.00415.50
7.1.290.0050.00815.60
7.1.280.0080.00615.59
7.1.270.0030.01115.46
7.1.260.0060.00415.70
7.1.250.0170.01115.13
7.1.200.0040.00815.52
7.1.100.0060.00618.27
7.1.70.0030.00617.07
7.1.60.0170.00719.19
7.1.50.0100.00616.88
7.1.00.0030.07722.54
7.0.200.0000.00816.56
7.0.60.0030.06719.95
7.0.50.0030.04317.90
7.0.40.0100.09020.27
7.0.30.0430.04020.02
7.0.20.0170.04720.16
7.0.10.0070.08720.16
7.0.00.0030.04020.11
5.6.210.0030.06720.50
5.6.200.0130.03318.11
5.6.190.0070.09020.27
5.6.180.0330.06720.33
5.6.170.0230.08320.46
5.6.160.0070.04020.45
5.6.150.0100.04718.21
5.6.140.0130.03318.15
5.6.130.0070.06718.12
5.6.120.0070.06320.97
5.6.110.0100.07320.98
5.6.100.0100.08320.95
5.6.90.0100.07020.95
5.6.80.0070.08020.36
5.5.350.0000.03320.38
5.5.340.0130.04018.02
5.5.330.0170.07320.32
5.5.320.0370.08020.42
5.5.310.0230.04020.20
5.5.300.0030.04017.89
5.5.290.0070.07317.89
5.5.280.0000.05720.88
5.5.270.0000.08720.78
5.5.260.0030.07720.79
5.5.250.0000.04720.65
5.5.240.0230.07320.14
5.4.450.1170.00019.31
5.4.440.1170.00019.21
5.4.430.1200.00019.21
5.4.420.1230.00019.35
5.4.410.1230.00019.05
5.4.400.1300.00019.16
5.4.390.1130.00019.01
5.4.380.1100.00019.02
5.4.370.1170.00018.71
5.4.360.1130.00019.06
5.4.350.1100.00018.84
5.4.340.1170.00018.71
5.4.320.1130.00019.01
5.4.310.1100.00018.88
5.4.300.1170.00019.01
5.4.290.1170.00019.05
5.4.280.1170.00018.91
5.4.270.1000.00018.62
5.4.260.1030.00019.02
5.4.250.1170.00019.00
5.4.240.1070.00018.64
5.4.230.1500.00018.70
5.4.220.1500.00018.70
5.4.210.1170.00018.83
5.4.200.1200.00018.70
5.4.190.1200.00019.05
5.4.180.1400.00018.88
5.4.170.1130.00018.60
5.4.160.1200.00018.88
5.4.150.1170.00018.88
5.4.140.1100.00016.29
5.4.130.0970.00016.26
5.4.120.1000.00016.30
5.4.110.1000.00016.39
5.4.100.0930.00016.38
5.4.90.1130.00016.37
5.4.80.1100.00016.36
5.4.70.0030.07016.17
5.4.60.0000.05316.21
5.4.50.0000.06016.31
5.4.40.0330.06016.36
5.4.30.0330.03316.38
5.4.20.0230.04316.43

preferences:
37.88 ms | 401 KiB | 5 Q