3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('KEYS', 100); $a = array(); function fill(&$arr) { for ($i = 1; $i <= 10; $i++) { $arr['key-' . $i] = $i; } } /*function read_key(&$arr) { for ($i = 1; $i <= KEYS; $i++) { for ($j = 1; $j <= 10; $i++) { $v = $arr['key-' . $i]; } } }*/ function for_each(&$arr) { for ($i = 1; $i <= KEYS; $i++) { foreach ($arr as $key => $value) { $v = $value; } } } fill($a); //read_key($a); for_each($a);

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)
8.3.60.0140.00316.63
8.3.50.0140.00622.05
8.3.40.0090.00918.80
8.3.30.0040.01119.09
8.3.20.0000.00720.34
8.3.10.0040.00423.48
8.3.00.0150.00019.25
8.2.180.0040.01816.32
8.2.170.0170.00322.96
8.2.160.0070.00720.35
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0040.00422.08
8.2.110.0030.00622.12
8.2.100.0040.00817.91
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0050.00317.93
8.2.50.0030.00618.07
8.2.40.0030.00620.00
8.2.30.0000.00718.04
8.2.20.0040.00417.63
8.2.10.0040.00418.18
8.2.00.0030.00717.73
8.1.280.0070.01025.92
8.1.270.0080.00023.92
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00422.12
8.1.230.0060.00622.69
8.1.220.0080.00017.78
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.51
8.1.180.0050.00518.10
8.1.170.0040.00418.43
8.1.160.0030.00321.88
8.1.150.0020.00518.70
8.1.140.0000.00717.44
8.1.130.0050.00317.74
8.1.120.0070.00017.46
8.1.110.0040.00417.52
8.1.100.0000.01017.52
8.1.90.0000.00717.35
8.1.80.0000.00817.46
8.1.70.0000.00717.34
8.1.60.0000.00917.58
8.1.50.0040.00417.47
8.1.40.0050.00317.49
8.1.30.0000.00817.52
8.1.20.0000.00717.52
8.1.10.0040.00417.53
8.1.00.0000.00817.50
8.0.300.0000.00720.64
8.0.290.0040.00417.18
8.0.280.0030.00318.44
8.0.270.0040.00417.25
8.0.260.0000.00617.14
8.0.250.0030.00316.93
8.0.240.0030.00616.97
8.0.230.0030.00517.00
8.0.220.0040.00416.88
8.0.210.0000.00716.82
8.0.200.0030.00316.84
8.0.190.0040.00416.92
8.0.180.0060.00316.82
8.0.170.0000.00816.82
8.0.160.0000.00816.78
8.0.150.0050.00216.91
8.0.140.0000.00716.81
8.0.130.0030.00313.41
8.0.120.0050.00316.75
8.0.110.0000.00816.82
8.0.100.0000.00716.71
8.0.90.0070.00016.89
8.0.80.0070.01116.86
8.0.70.0040.00416.81
8.0.60.0000.00716.73
8.0.50.0020.00516.84
8.0.30.0150.01317.27
8.0.20.0080.01217.40
8.0.10.0080.00016.78
8.0.00.0170.00316.86
7.4.330.0050.00015.00
7.4.320.0000.00716.41
7.4.300.0030.00316.64
7.4.290.0030.00316.43
7.4.280.0000.00716.57
7.4.270.0040.00416.42
7.4.260.0000.00716.38
7.4.250.0080.00016.54
7.4.240.0000.00716.53
7.4.230.0000.00716.68
7.4.220.0120.00616.46
7.4.210.0060.00916.54
7.4.200.0040.00416.40
7.4.190.0070.00016.64
7.4.160.0000.01516.41
7.4.150.0180.00017.40
7.4.140.0130.00517.86
7.4.130.0090.00816.50
7.4.120.0070.01016.58
7.4.110.0120.00516.50
7.4.100.0140.00516.33
7.4.90.0070.01116.61
7.4.80.0100.01319.39
7.4.70.0030.01316.61
7.4.60.0130.00316.38
7.4.50.0000.00816.50
7.4.40.0090.00622.77
7.4.30.0030.01316.47
7.4.00.0130.00315.11
7.3.330.0030.00313.23
7.3.320.0000.00713.31
7.3.310.0070.00016.37
7.3.300.0000.00816.40
7.3.290.0070.00716.37
7.3.280.0090.00816.36
7.3.270.0140.00417.40
7.3.260.0090.00916.58
7.3.250.0140.00616.38
7.3.240.0060.01216.41
7.3.230.0060.01616.58
7.3.210.0030.01516.56
7.3.200.0090.00919.39
7.3.190.0070.01116.22
7.3.180.0060.01016.32
7.3.170.0030.01716.63
7.3.160.0090.00616.63
7.3.120.0030.01315.11
7.3.10.0080.00816.32
7.3.00.0090.00916.23
7.2.330.0140.00316.72
7.2.320.0130.00316.73
7.2.310.0140.00916.65
7.2.300.0080.00816.48
7.2.290.0060.01016.50
7.2.130.0070.01116.65
7.2.120.0090.00616.57
7.2.110.0000.01316.67
7.2.100.0080.00817.00
7.2.90.0130.00316.70
7.2.80.0140.00716.83
7.2.70.0140.01016.64
7.2.60.0100.00716.68
7.2.50.0150.00316.96
7.2.40.0070.01116.65
7.2.30.0040.01216.94
7.2.20.0120.00316.76
7.2.10.0160.00516.64
7.2.00.0160.00718.13
7.1.250.0100.00715.55
7.1.100.0230.00417.48
7.1.70.0050.00217.02
7.1.60.0040.00717.37
7.1.50.0000.01216.71
7.1.00.0030.06722.38
7.0.200.0110.00316.89
7.0.140.0100.06722.00
7.0.60.0030.07719.82
7.0.50.0130.07317.97
7.0.40.0030.04320.11
7.0.30.0470.06720.08
7.0.20.0100.05720.24
7.0.10.0070.08320.10
7.0.00.0170.06320.29
5.6.280.0070.07020.91
5.6.210.0100.07720.77
5.6.200.0200.07018.15
5.6.190.0070.08020.61
5.6.180.0130.04320.68
5.6.170.0270.06720.62
5.6.160.0030.07020.43
5.6.150.0100.07718.12
5.6.140.0070.04018.17
5.6.130.0100.05318.23
5.6.120.0030.08321.16
5.6.110.0100.07721.14
5.6.100.0200.06721.11
5.6.90.0030.06320.97
5.6.80.0100.06020.39
5.6.70.4470.03020.54
5.5.350.0270.07720.31
5.5.340.0100.07718.08
5.5.330.0000.04320.37
5.5.320.0330.07320.37
5.5.310.0430.06720.24
5.5.300.0070.08318.04
5.5.290.0070.08018.05
5.5.280.0170.07020.88
5.5.270.0070.08720.96
5.5.260.0100.07720.89
5.5.250.0100.07720.65
5.5.240.0170.04020.27
5.4.450.1000.06019.62
5.4.440.0800.07019.37
5.4.430.0130.05719.57
5.4.420.1070.07019.57
5.4.410.0900.06019.35
5.4.400.0330.05019.27
5.4.390.0170.05719.22
5.4.380.0300.06318.61
5.4.370.0300.06318.83
5.4.360.0230.06018.76
5.4.350.0270.07018.71
5.4.340.0470.04318.53
5.4.320.0090.03412.51
5.4.310.0040.04912.50
5.4.300.0080.04212.51
5.4.290.0050.06712.49
5.4.280.0160.05212.38
5.4.270.0290.08312.38
5.4.260.0140.05412.39
5.4.250.0110.05312.39
5.4.240.0120.05312.39
5.4.230.0140.07112.38
5.4.220.0080.05512.38
5.4.210.0100.05212.38
5.4.200.0140.04812.38
5.4.190.0080.05412.38
5.4.180.0140.05312.38
5.4.170.0070.05812.38
5.4.160.0120.04712.38
5.4.150.0100.06912.38
5.4.140.0100.05612.06
5.4.130.0080.05012.05
5.4.120.0120.06612.01
5.4.110.0190.08512.00
5.4.100.0130.08112.00
5.4.90.0110.07312.00
5.4.80.0120.07912.00
5.4.70.0090.04412.00
5.4.60.0130.04312.00
5.4.50.0110.04912.00
5.4.40.0120.04711.99
5.4.30.0080.04911.98
5.4.20.0130.05311.98
5.4.10.0120.05011.98
5.4.00.0110.05711.47
5.3.290.0090.04412.80
5.3.280.0160.04912.71
5.3.270.0140.04512.73
5.3.260.0070.05412.72
5.3.250.0110.09212.72
5.3.240.0120.07312.71
5.3.230.0140.09512.71
5.3.220.0130.04012.68
5.3.210.0100.05012.68
5.3.200.0160.05212.68
5.3.190.0110.04212.68
5.3.180.0190.07112.67
5.3.170.0090.05912.67
5.3.160.0100.06312.67
5.3.150.0050.06312.67
5.3.140.0110.06912.66
5.3.130.0080.06312.66
5.3.120.0120.05812.66
5.3.110.0190.08512.66
5.3.100.0070.06512.12
5.3.90.0220.10812.10
5.3.80.0170.10612.10
5.3.70.0100.06512.10
5.3.60.0060.05712.08
5.3.50.0090.06112.03
5.3.40.0100.03712.03
5.3.30.0100.03511.99
5.3.20.0090.06111.77
5.3.10.0200.09511.73
5.3.00.0220.06111.72
5.2.170.0150.0599.22
5.2.160.0110.0549.22
5.2.150.0090.0759.23
5.2.140.0080.0559.22
5.2.130.0100.0479.18
5.2.120.0130.0419.18
5.2.110.0160.0649.19
5.2.100.0150.0599.19
5.2.90.0140.0579.18
5.2.80.0070.0529.18
5.2.70.0040.0519.18
5.2.60.0120.0699.14
5.2.50.0080.0559.10
5.2.40.0120.0519.09
5.2.30.0160.0659.06
5.2.20.0060.0379.04
5.2.10.0080.0368.94
5.2.00.0070.0638.81
5.1.60.0040.0348.09
5.1.50.0100.0258.09
5.1.40.0060.0328.07
5.1.30.0100.0678.42
5.1.20.0100.0338.44
5.1.10.0130.0618.16
5.1.00.0060.0358.17
5.0.50.0180.0696.64
5.0.40.0080.0516.51
5.0.30.0110.0706.32
5.0.20.0070.0436.28
5.0.10.0050.0536.26
5.0.00.0080.0636.26
4.4.90.0060.0434.78
4.4.80.0070.0404.75
4.4.70.0050.0224.76
4.4.60.0060.0224.75
4.4.50.0110.0444.77
4.4.40.0100.0584.71
4.4.30.0140.0434.76
4.4.20.0110.0544.85
4.4.10.0050.0544.85
4.4.00.0110.0654.76
4.3.110.0020.0254.66
4.3.100.0050.0324.66
4.3.90.0100.0354.63
4.3.80.0080.0734.58
4.3.70.0120.0494.63
4.3.60.0150.0474.63
4.3.50.0080.0324.63
4.3.40.0080.0624.54
4.3.30.0060.0443.31
4.3.20.0060.0433.28
4.3.10.0050.0403.25
4.3.00.0100.02310.54

preferences:
48.62 ms | 401 KiB | 5 Q