3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('key1' => 'value1', 'key2' => 'value2'); echo http_build_query($arr, '', ' '); echo PHP_EOL; echo urldecode(http_build_query($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)
8.3.60.0100.01018.18
8.3.50.0100.00821.88
8.3.40.0100.01018.79
8.3.30.0030.01219.06
8.3.20.0050.00320.16
8.3.10.0000.00823.63
8.3.00.0040.00420.84
8.2.180.0120.00316.38
8.2.170.0070.00722.96
8.2.160.0030.01020.30
8.2.150.0030.00524.18
8.2.140.0050.00224.66
8.2.130.0030.00526.16
8.2.120.0080.00019.66
8.2.110.0080.00322.29
8.2.100.0090.00319.63
8.2.90.0000.00719.08
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0000.00817.92
8.2.50.0040.00418.07
8.2.40.0040.00421.13
8.2.30.0030.00518.30
8.2.20.0000.00717.57
8.2.10.0000.00817.90
8.2.00.0000.00717.55
8.1.280.0100.01025.92
8.1.270.0040.00423.91
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.84
8.1.230.0100.00019.16
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0080.00317.00
8.1.190.0080.00017.23
8.1.180.0030.00618.10
8.1.170.0000.00818.72
8.1.160.0040.00421.88
8.1.150.0050.00318.57
8.1.140.0000.00717.44
8.1.130.0030.00317.78
8.1.120.0000.00717.43
8.1.110.0000.00717.40
8.1.100.0000.00717.41
8.1.90.0000.00717.28
8.1.80.0000.00817.47
8.1.70.0030.00517.27
8.1.60.0080.00017.51
8.1.50.0040.00417.50
8.1.40.0080.00017.38
8.1.30.0080.00017.50
8.1.20.0040.00417.46
8.1.10.0030.00617.45
8.1.00.0040.00417.35
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0000.00718.48
8.0.270.0040.00717.18
8.0.260.0030.00317.27
8.0.250.0030.00316.82
8.0.240.0030.00316.95
8.0.230.0040.00416.85
8.0.220.0000.00716.86
8.0.210.0030.00316.83
8.0.200.0000.00616.90
8.0.190.0000.00916.82
8.0.180.0080.00016.81
8.0.170.0080.00016.83
8.0.160.0000.00716.89
8.0.150.0050.00316.68
8.0.140.0070.00016.72
8.0.130.0000.00613.31
8.0.120.0000.00816.82
8.0.110.0000.00716.72
8.0.100.0050.00316.83
8.0.90.0070.00016.82
8.0.80.0070.01416.88
8.0.70.0000.00716.64
8.0.60.0040.00416.71
8.0.50.0040.00416.65
8.0.30.0080.01116.91
8.0.20.0130.01117.40
8.0.10.0000.00716.87
8.0.00.0110.00716.87
7.4.330.0000.00615.03
7.4.320.0000.00716.40
7.4.300.0030.00316.36
7.4.290.0070.00016.32
7.4.280.0030.00616.45
7.4.270.0000.00716.45
7.4.260.0030.00616.42
7.4.250.0050.00316.42
7.4.240.0050.00316.47
7.4.230.0000.00816.63
7.4.220.0170.00016.51
7.4.210.0100.00516.54
7.4.200.0000.00716.53
7.4.190.0070.00016.60
7.4.160.0050.01016.50
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0130.00516.40
7.4.120.0090.00916.43
7.4.110.0150.00916.41
7.4.100.0070.01016.40
7.4.90.0130.00316.48
7.4.80.0110.01119.39
7.4.70.0130.00316.41
7.4.60.0050.01016.22
7.4.50.0040.00416.57
7.4.40.0060.00916.50
7.4.30.0120.00416.60
7.4.00.0040.01115.02
7.3.330.0060.00013.00
7.3.320.0050.00013.05
7.3.310.0030.00315.98
7.3.300.0030.00315.98
7.3.290.0070.00716.17
7.3.280.0090.00916.08
7.3.270.0100.00717.40
7.3.260.0150.00416.30
7.3.250.0090.00716.32
7.3.240.0090.00916.13
7.3.230.0100.01316.39
7.3.210.0160.00616.19
7.3.200.0100.00719.39
7.3.190.0100.01016.46
7.3.180.0040.01116.20
7.3.170.0120.00916.37
7.3.160.0100.00616.04
7.3.120.0030.00914.59
7.2.330.0070.01016.66
7.2.320.0040.01316.49
7.2.310.0070.01016.40
7.2.300.0070.01016.66
7.2.290.0070.01116.64
7.2.60.0060.00916.95
7.2.00.0060.00619.16
7.1.200.0060.00615.63
7.1.100.0050.00518.06
7.1.70.0070.00717.02
7.1.60.0070.01619.46
7.1.50.0100.01316.98
7.1.00.0070.07022.51
7.0.200.0060.00616.86
7.0.140.0030.07322.11
7.0.60.0100.08319.92
7.0.50.0070.08017.79
7.0.40.0000.05320.04
7.0.30.0300.03720.17
7.0.20.0270.07720.04
7.0.10.0130.05320.12
7.0.00.0070.06020.00
5.6.280.0100.06721.04
5.6.210.0030.08320.59
5.6.200.0070.08718.14
5.6.190.0100.04320.42
5.6.180.0170.04720.41
5.6.170.0370.06720.42
5.6.160.0070.08320.52
5.6.150.0100.07018.19
5.6.140.0070.04718.21
5.6.130.0100.10018.18
5.6.120.0030.07021.02
5.6.110.0100.07021.00
5.6.100.0030.08321.00
5.6.90.0170.07321.00
5.6.80.0070.08320.52
5.5.350.4300.04020.40
5.5.340.0030.05317.89
5.5.330.0070.08320.24
5.5.320.0200.06020.34
5.5.310.0330.07720.41
5.5.300.0100.03317.91
5.5.290.0100.08318.02
5.5.280.0070.06720.72
5.5.270.0100.08020.71
5.5.260.0170.07720.86
5.5.250.0000.04320.67
5.5.240.0100.07320.14
5.4.450.0630.04745.51
5.4.440.0200.04340.27
5.4.430.0100.05035.86
5.4.420.0230.04033.01
5.4.410.0330.04051.48
5.4.400.0270.03328.45
5.4.390.0400.04727.09
5.4.380.0370.04318.62
5.4.370.0270.06018.62
5.4.360.0330.04718.74
5.4.350.0330.05018.49
5.4.340.0300.07718.45
5.4.320.0090.03312.45
5.4.310.0020.04212.45
5.4.300.0090.05112.45
5.4.290.0070.05612.45
5.4.280.0110.04912.34
5.4.270.0110.04812.34
5.4.260.0050.05412.34
5.4.250.0080.05212.34
5.4.240.0090.04912.35
5.4.230.0110.04712.34
5.4.220.0110.04812.33
5.4.210.0100.04912.34
5.4.200.0080.05312.34
5.4.190.0110.04812.33
5.4.180.0120.04712.34
5.4.170.0110.04712.35
5.4.160.0130.05412.34
5.4.150.0130.05212.34
5.4.140.0080.05212.02
5.4.130.0130.04312.01
5.4.120.0120.04711.97
5.4.110.0100.04611.96
5.4.100.0120.04511.96
5.4.90.0100.05111.96
5.4.80.0120.04911.96
5.4.70.0180.05211.96
5.4.60.0140.04611.96
5.4.50.0060.05511.96
5.4.40.0100.05111.95
5.4.30.0130.04611.95
5.4.20.0090.04911.95
5.4.10.0070.05011.95
5.4.00.0060.06011.43
5.3.290.0080.03612.80
5.3.280.0190.05712.71
5.3.270.0100.06612.72
5.3.260.0170.06112.72
5.3.250.0140.05712.72
5.3.240.0080.05712.72
5.3.230.0120.05212.71
5.3.220.0130.05112.68
5.3.210.0120.06012.68
5.3.200.0120.06112.68
5.3.190.0250.06412.68
5.3.180.0110.07212.68
5.3.170.0120.06712.67
5.3.160.0140.06312.67
5.3.150.0090.07012.68
5.3.140.0110.06012.66
5.3.130.0210.06012.66
5.3.120.0100.06012.66
5.3.110.0150.05212.66
5.3.100.0080.05712.12
5.3.90.0170.05912.09
5.3.80.0140.04912.08
5.3.70.0080.05312.08
5.3.60.0090.04912.06
5.3.50.0120.04512.00
5.3.40.0090.05112.00
5.3.30.0070.05211.95
5.3.20.0060.05511.72
5.3.10.0100.04811.69
5.3.00.0070.05111.68
5.2.170.0080.0419.18
5.2.160.0110.0399.18
5.2.150.0060.0469.18
5.2.140.0040.0479.17
5.2.130.0060.0469.13
5.2.120.0110.0389.13
5.2.110.0090.0429.14
5.2.100.0100.0419.14
5.2.90.0050.0489.14
5.2.80.0090.0489.13
5.2.70.0120.0469.13
5.2.60.0080.0469.09
5.2.50.0070.0439.06
5.2.40.0060.0419.03
5.2.30.0080.0429.01
5.2.20.0080.0409.00
5.2.10.0160.0618.91
5.2.00.0050.0398.78
5.1.60.0070.0388.06
5.1.50.0050.0348.06
5.1.40.0040.0368.04
5.1.30.0060.0378.39
5.1.20.0110.0578.41
5.1.10.0150.0538.13
5.1.00.0050.0368.14
5.0.50.0040.0286.61
5.0.40.0050.0266.47
5.0.30.0080.0396.29
5.0.20.0090.0226.26
5.0.10.0010.0266.24
5.0.00.0070.0316.23
4.4.90.0050.0224.78
4.4.80.0050.0284.75
4.4.70.0060.0214.75
4.4.60.0070.0204.75
4.4.50.0040.0264.77
4.4.40.0080.0384.71
4.4.30.0060.0254.76
4.4.20.0060.0284.85
4.4.10.0040.0304.85
4.4.00.0100.0304.76
4.3.110.0060.0234.67
4.3.100.0070.0224.66
4.3.90.0030.0254.63
4.3.80.0030.0384.58
4.3.70.0100.0294.63
4.3.60.0080.0154.62
4.3.50.0080.0324.63
4.3.40.0060.0284.54
4.3.30.0040.0223.28
4.3.20.0040.0223.26
4.3.10.0050.0293.22
4.3.00.0000.02026.09

preferences:
40.92 ms | 401 KiB | 5 Q