3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = Array( "uid" => "BOB", "attr" => "Value" ); $arr['something'] = 2; var_dump($arr); echo http_build_query($arr); echo count($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)
8.3.60.0120.00618.43
8.3.50.0120.00622.00
8.3.40.0090.00618.74
8.3.30.0180.00419.09
8.3.20.0070.00020.17
8.3.10.0000.00821.93
8.3.00.0040.00422.57
8.2.180.0080.01116.50
8.2.170.0110.00422.96
8.2.160.0140.00020.89
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.01026.16
8.2.120.0080.00017.50
8.2.110.0060.00321.99
8.2.100.0100.00319.27
8.2.90.0000.00919.17
8.2.80.0000.00819.77
8.2.70.0050.00317.75
8.2.60.0060.00317.93
8.2.50.0030.00618.07
8.2.40.0000.00818.16
8.2.30.0090.00018.15
8.2.20.0050.00317.77
8.2.10.0040.00417.64
8.2.00.0040.00417.66
8.1.280.0130.00725.92
8.1.270.0080.00022.14
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0000.00923.92
8.1.230.0070.00319.10
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0000.00817.50
8.1.180.0030.00518.10
8.1.170.0000.00818.59
8.1.160.0070.00022.00
8.1.150.0080.00018.67
8.1.140.0000.00717.39
8.1.130.0000.00817.74
8.1.120.0030.00717.45
8.1.110.0030.00417.47
8.1.100.0000.00717.47
8.1.90.0070.00017.31
8.1.80.0000.00717.37
8.1.70.0070.00017.34
8.1.60.0070.00317.55
8.1.50.0000.00817.50
8.1.40.0040.00417.45
8.1.30.0080.00017.52
8.1.20.0080.00017.68
8.1.10.0080.00017.54
8.1.00.0040.00417.49
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0040.00418.36
8.0.270.0030.00317.24
8.0.260.0030.00318.33
8.0.250.0030.00316.94
8.0.240.0030.00616.91
8.0.230.0030.00316.90
8.0.220.0030.00316.69
8.0.210.0030.00316.86
8.0.200.0030.00316.92
8.0.190.0030.00516.80
8.0.180.0000.00716.83
8.0.170.0040.00416.88
8.0.160.0020.00516.88
8.0.150.0000.00816.83
8.0.140.0030.00616.74
8.0.130.0060.00013.32
8.0.120.0000.00716.73
8.0.110.0000.00716.76
8.0.100.0050.00216.71
8.0.90.0040.00416.81
8.0.80.0100.01016.84
8.0.70.0030.00516.82
8.0.60.0000.00716.89
8.0.50.0000.00716.84
8.0.30.0100.01017.13
8.0.20.0120.00917.40
8.0.10.0030.00616.81
8.0.00.0120.00616.69
7.4.330.0000.00515.00
7.4.320.0060.00016.45
7.4.300.0000.00616.51
7.4.290.0000.00716.59
7.4.280.0050.00316.52
7.4.270.0000.00716.57
7.4.260.0030.00416.46
7.4.250.0080.00016.53
7.4.240.0040.00416.53
7.4.230.0000.00716.52
7.4.220.0100.00716.63
7.4.210.0070.00716.50
7.4.200.0030.00316.43
7.4.190.0000.00716.74
7.4.160.0140.00616.57
7.4.150.0150.00917.40
7.4.140.0140.00317.86
7.4.130.0090.00916.41
7.4.120.0130.00816.54
7.4.110.0090.00916.46
7.4.100.0000.01816.45
7.4.90.0090.00916.66
7.4.80.0120.00919.39
7.4.70.0140.00316.40
7.4.60.0030.01316.50
7.4.50.0040.00416.55
7.4.40.0030.01322.77
7.4.30.0120.01216.54
7.4.00.0040.01114.58
7.3.330.0020.00213.18
7.3.320.0000.00512.99
7.3.310.0000.00716.24
7.3.300.0070.00016.24
7.3.290.0030.01116.36
7.3.280.0080.00816.20
7.3.270.0120.00617.40
7.3.260.0060.00916.23
7.3.250.0080.01016.36
7.3.240.0150.00916.59
7.3.230.0030.01416.39
7.3.210.0120.00616.50
7.3.200.0120.00819.39
7.3.190.0140.00716.28
7.3.180.0070.01516.30
7.3.170.0120.00416.28
7.3.160.0080.00816.44
7.3.120.0100.00614.74
7.2.330.0070.01116.71
7.2.320.0120.00616.57
7.2.310.0060.00916.53
7.2.300.0110.00516.75
7.2.290.0080.00816.72
7.2.00.0030.01019.17
7.1.100.0000.01318.16
7.1.70.0030.00716.88
7.1.60.0030.02119.82
7.1.50.0000.02016.75
7.1.00.0000.08022.44
7.0.200.0000.01316.79
7.0.140.0070.07021.95
7.0.60.0070.07719.80
7.0.50.0100.07717.81
7.0.40.0030.04720.39
7.0.30.0270.08020.18
7.0.20.0130.07320.34
7.0.10.0130.04720.02
7.0.00.0070.04320.16
5.6.280.0030.07320.89
5.6.210.0130.06320.70
5.6.200.0000.04318.12
5.6.190.0000.05320.61
5.6.180.3030.03320.64
5.6.170.0100.04720.49
5.6.160.0070.06720.49
5.6.150.0070.04018.18
5.6.140.0070.08318.13
5.6.130.0070.06018.13
5.6.120.0170.07020.98
5.6.110.0100.08321.11
5.6.100.0270.07021.00
5.6.90.0000.04720.99
5.6.80.0070.08020.40
5.6.70.0400.06020.42
5.5.350.0070.08320.46
5.5.340.0070.04018.02
5.5.330.0070.08320.48
5.5.320.0170.04320.17
5.5.310.0300.07720.17
5.5.300.0030.04317.89
5.5.290.0030.08317.94
5.5.280.0000.09020.79
5.5.270.0070.07020.95
5.5.260.0130.07020.77
5.5.250.0130.05020.77
5.5.240.0070.08320.12
5.4.450.0270.05019.41
5.4.440.0200.05719.64
5.4.430.0130.05719.47
5.4.420.0100.05719.50
5.4.410.0100.08019.38
5.4.400.0130.05018.69
5.4.390.0130.06318.72
5.4.380.0330.06318.77
5.4.370.0200.05018.68
5.4.360.0230.05018.62
5.4.350.0230.04718.77
5.4.340.0200.05318.73
5.4.320.0040.03812.45
5.4.310.0050.04012.45
5.4.300.0050.04412.45
5.4.290.0070.04312.45
5.4.280.0100.03212.34
5.4.270.0070.07318.97
5.4.260.0300.05718.79
5.4.250.0100.07718.95
5.4.240.0130.05018.97
5.4.230.0230.05019.16
5.4.220.0170.05019.03
5.4.210.0170.06018.78
5.4.200.0070.05719.16
5.4.190.0100.05719.02
5.4.180.0130.07018.90
5.4.170.0130.05018.78
5.4.160.0130.04718.79
5.4.150.0130.08018.93
5.4.140.0070.07716.48
5.4.130.0070.06316.27
5.4.120.0230.06016.53
5.4.110.0270.06016.55
5.4.100.0100.06316.44
5.4.90.0200.05316.40
5.4.80.0130.06316.29
5.4.70.0130.05316.50
5.4.60.0130.04316.49
5.4.50.0170.07016.53
5.4.40.0170.05016.54
5.4.30.0200.05016.32
5.4.20.0070.05016.49
5.4.10.0100.07016.57
5.4.00.0100.05015.93
5.3.290.0060.03912.80
5.3.280.0100.05714.67
5.3.270.0170.06314.75
5.3.260.0070.05714.80
5.3.250.0200.05714.66
5.3.240.0070.08314.59
5.3.230.0070.05314.61
5.3.220.0230.06014.55
5.3.210.0200.04014.61
5.3.200.0200.06014.76
5.3.190.0130.05714.70
5.3.180.0230.03714.51
5.3.170.0070.05314.71
5.3.160.0100.06314.37
5.3.150.0170.05014.55
5.3.140.0200.06014.62
5.3.130.0130.05314.54
5.3.120.0200.07014.35
5.3.110.0130.06714.70
5.3.100.0170.06014.14
5.3.90.0130.06313.99
5.3.80.0100.07013.95
5.3.70.0070.06314.00
5.3.60.0070.07014.10
5.3.50.0100.05014.03
5.3.40.0070.07013.76
5.3.30.0070.05314.06
5.3.20.0130.06013.76
5.3.10.0030.06713.63
5.3.00.0030.05313.79
5.2.170.0000.07011.36
5.2.160.0070.04711.38
5.2.150.0100.06011.25
5.2.140.0030.05311.37
5.2.130.0030.04311.02
5.2.120.0070.05311.02
5.2.110.0030.05711.03
5.2.100.0070.04011.33
5.2.90.0100.04011.33
5.2.80.0070.04711.20
5.2.70.0070.04711.22
5.2.60.0100.04010.98
5.2.50.0170.04311.17
5.2.40.0030.04311.19
5.2.30.0030.04311.07
5.2.20.0030.04710.89
5.2.10.0100.05011.13
5.2.00.0070.04710.98
5.1.60.0030.05310.06
5.1.50.0100.03010.19
5.1.40.0100.0509.96
5.1.30.0000.05710.53
5.1.20.0030.05710.55
5.1.10.0000.04710.37
5.1.00.0070.03710.04
5.0.50.0070.0278.85
5.0.40.0030.0408.48
5.0.30.0100.0408.42
5.0.20.0030.0278.17
5.0.10.0070.0338.32
5.0.00.0070.0438.14
4.4.90.0070.0177.46
4.4.80.0070.0277.46
4.4.70.0100.0237.46
4.4.60.0100.0177.46
4.4.50.0100.0237.46
4.4.40.0000.0407.46
4.4.30.0000.0337.46
4.4.20.0030.0307.46
4.4.10.0030.0337.46
4.4.00.0030.0507.46
4.3.110.0000.0307.46
4.3.100.0000.0237.46
4.3.90.0070.0207.46
4.3.80.0070.0407.46
4.3.70.0130.0137.46
4.3.60.0070.0177.46
4.3.50.0000.0277.46
4.3.40.0070.0337.46
4.3.30.0030.0237.46
4.3.20.0000.0307.46
4.3.10.0000.0277.46
4.3.00.0000.0276.88

preferences:
36.63 ms | 401 KiB | 5 Q