3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); ini_set('display_errors', 1); function calcmem($n) { return round(pow($n, 2) / (8 * 1024 * 1024), 2); } function println($str) { echo $str."\n"; } $n = 100000; println(calcmem($n).' Mo');; println($n * $n); println(8*1024*1024); println(($n*$n)/(8*1024*1024)); echo round(($n * $n) / (8*1024*1024), 2);

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)
8.3.60.0180.00318.24
8.3.50.0060.01122.05
8.3.40.0070.00718.85
8.3.30.0030.01418.71
8.3.20.0040.00418.83
8.3.10.0040.00419.37
8.3.00.0080.00023.65
8.2.180.0070.01016.38
8.2.170.0090.00622.96
8.2.160.0100.00320.35
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0080.00019.77
8.2.110.0110.00022.23
8.2.100.0080.00317.78
8.2.90.0030.00619.36
8.2.80.0000.00817.97
8.2.70.0000.00817.74
8.2.60.0060.00317.93
8.2.50.0080.00018.07
8.2.40.0000.00918.22
8.2.30.0040.00421.23
8.2.20.0040.00417.63
8.2.10.0070.00017.64
8.2.00.0050.00317.57
8.1.280.0060.00925.92
8.1.270.0030.00623.99
8.1.260.0140.00026.35
8.1.250.0060.00328.09
8.1.240.0050.00522.16
8.1.230.0030.00917.58
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.52
8.1.180.0050.00318.10
8.1.170.0080.00018.70
8.1.160.0040.00418.84
8.1.150.0030.00518.66
8.1.140.0000.00717.41
8.1.130.0000.00817.97
8.1.120.0090.00017.49
8.1.110.0040.00417.51
8.1.100.0070.00017.50
8.1.90.0000.00717.58
8.1.80.0000.00717.41
8.1.70.0000.00717.45
8.1.60.0040.00417.70
8.1.50.0040.00417.45
8.1.40.0050.00517.59
8.1.30.0000.00917.71
8.1.20.0000.00817.67
8.1.10.0000.00817.57
8.1.00.0000.00817.43
8.0.300.0070.00018.77
8.0.290.0080.00016.88
8.0.280.0000.00718.54
8.0.270.0030.00317.24
8.0.260.0090.00016.90
8.0.250.0050.00216.94
8.0.240.0040.00416.93
8.0.230.0030.00317.02
8.0.220.0070.00016.88
8.0.210.0040.00316.97
8.0.200.0000.00716.93
8.0.190.0040.00417.03
8.0.180.0050.00216.99
8.0.170.0000.00717.06
8.0.160.0040.00416.86
8.0.150.0040.00416.95
8.0.140.0000.00716.89
8.0.130.0030.00313.38
8.0.120.0000.00716.98
8.0.110.0070.00016.84
8.0.100.0040.00416.94
8.0.90.0040.00417.07
8.0.80.0090.01216.97
8.0.70.0070.00016.87
8.0.60.0000.00717.04
8.0.50.0040.00416.77
8.0.30.0070.01217.06
8.0.20.0100.00917.42
8.0.10.0040.00417.13
8.0.00.0130.00716.84
7.4.330.0050.00014.80
7.4.320.0000.00616.43
7.4.300.0000.00616.70
7.4.290.0000.00816.63
7.4.280.0000.00716.56
7.4.270.0000.00716.69
7.4.260.0000.00513.36
7.4.250.0030.00516.55
7.4.240.0030.00316.69
7.4.230.0030.00316.70
7.4.220.0070.01816.63
7.4.210.0110.00416.66
7.4.200.0070.00016.48
7.4.190.0030.00316.46
7.4.160.0100.00716.69
7.4.150.0090.01217.40
7.4.140.0080.01517.86
7.4.130.0080.00816.67
7.4.120.0110.00616.58
7.4.110.0100.00716.54
7.4.100.0030.02116.74
7.4.90.0140.00316.52
7.4.80.0070.01019.39
7.4.70.0100.00716.66
7.4.60.0070.01016.55
7.4.50.0000.00916.50
7.4.40.0040.01122.52
7.4.30.0120.00916.46
7.4.00.0030.01114.93
7.3.330.0000.00613.20
7.3.320.0030.00313.23
7.3.310.0000.00716.36
7.3.300.0000.00716.36
7.3.290.0100.01016.39
7.3.280.0100.00616.35
7.3.270.0100.01317.40
7.3.260.0030.01818.24
7.3.250.0100.00816.47
7.3.240.0090.00916.41
7.3.230.0060.01516.44
7.3.210.0150.00916.48
7.3.200.0000.01619.39
7.3.190.0040.01316.63
7.3.180.0030.01216.59
7.3.170.0100.00716.64
7.3.160.0090.00716.44
7.3.120.0030.01015.02
7.3.10.0070.01016.47
7.3.00.0070.00316.55
7.2.330.0030.01416.66
7.2.320.0060.00916.63
7.2.310.0100.00916.61
7.2.300.0090.00616.52
7.2.290.0060.01216.83
7.2.130.0030.00716.77
7.2.120.0100.00016.88
7.2.110.0040.00916.55
7.2.100.0060.00916.62
7.2.90.0030.01016.83
7.2.80.0030.01016.84
7.2.70.0030.01317.01
7.2.60.0110.00317.05
7.2.50.0000.01216.69
7.2.40.0030.01216.98
7.2.30.0070.00717.14
7.2.20.0000.01017.06
7.2.10.0070.01017.04
7.2.00.0050.00516.44
7.1.250.0110.00415.84
7.1.70.0060.00317.03
7.1.60.0100.01319.40
7.1.50.0140.01016.98
7.1.00.0000.04722.36
7.0.200.0000.00816.75
7.0.140.0030.07021.96
7.0.60.0100.08019.87
7.0.50.0030.04017.95
7.0.40.0130.07720.26
7.0.30.0330.07320.11
7.0.20.0300.06720.06
7.0.10.0270.07020.05
7.0.00.0030.04320.30
5.6.280.0100.06721.15
5.6.210.0070.06720.65
5.6.200.0070.03718.20
5.6.190.0070.04720.56
5.6.180.0330.07720.57
5.6.170.0230.05020.50
5.6.160.0030.04020.57
5.6.150.0000.04318.19
5.6.140.0100.08318.21
5.6.130.0030.04018.16
5.6.120.0030.04321.00
5.6.110.0330.08021.10
5.6.100.0070.08320.98
5.6.90.0070.07721.10
5.6.80.0070.08020.41
5.6.70.3200.03720.37
5.5.350.0370.07320.45
5.5.340.0070.08717.98
5.5.330.0100.05020.57
5.5.320.0230.03320.32
5.5.310.0170.05720.37
5.5.300.0000.04018.03
5.5.290.0030.04018.02
5.5.280.0100.04320.77
5.5.270.0070.04020.86
5.5.260.0200.06320.86
5.5.250.0130.08720.79
5.5.240.0200.08020.15
5.4.450.0400.07019.55
5.4.440.0270.07319.42
5.4.430.0270.07019.41
5.4.420.0330.05019.70
5.4.410.0230.08019.43
5.4.400.0570.02019.17
5.4.390.0300.04018.95
5.4.380.0170.04318.95
5.4.370.0300.05719.26
5.4.360.0230.04019.22
5.4.350.0300.04019.21
5.4.340.0200.05718.98
5.4.320.0300.07019.22
5.4.310.0170.05318.85
5.4.300.0300.07319.08
5.4.290.0270.06319.16
5.4.280.0300.07319.23
5.4.270.0400.05719.22
5.4.260.0270.07319.28
5.4.250.0230.04718.86
5.4.240.0300.07019.23
5.4.230.0270.04319.06
5.4.220.0200.04319.14
5.4.210.0330.04018.98
5.4.200.0430.06718.84
5.4.190.0400.06319.27
5.4.180.0370.02719.23
5.4.170.0300.06719.09
5.4.160.0370.05319.07
5.4.150.0270.07319.36
5.4.140.0230.03316.36
5.4.130.0270.07016.58
5.4.120.0230.06716.36
5.4.110.0200.05716.65
5.4.100.0200.04016.45
5.4.90.0270.05716.30
5.4.80.0230.06316.36
5.4.70.0230.06316.48
5.4.60.0330.06016.43
5.4.50.0100.05016.54
5.4.40.0300.06716.22
5.4.30.0300.06316.23
5.4.20.0370.06316.25
5.4.10.0400.04016.23
5.4.00.0200.06315.86
5.3.290.0230.05714.74
5.3.280.0300.04014.58
5.3.270.0230.06314.59
5.3.260.0230.07714.60
5.3.250.0200.05714.61
5.3.240.0230.03714.57
5.3.230.0400.05714.69
5.3.220.0230.05714.57
5.3.210.0200.07014.57
5.3.200.0270.06314.62
5.3.190.0230.06014.62
5.3.180.0230.04314.79
5.3.170.0300.04314.59
5.3.160.0270.07314.61
5.3.150.0170.07014.68
5.3.140.0270.05714.60
5.3.130.0300.05314.54
5.3.120.0200.05014.64
5.3.110.0330.05314.63
5.3.100.0230.05314.21
5.3.90.0230.05314.21
5.3.80.0130.04014.21
5.3.70.0200.07014.21
5.3.60.0230.03314.21
5.3.50.0270.05014.21
5.3.40.0270.04314.21
5.3.30.0200.04314.21
5.3.20.0270.07314.21
5.3.10.0270.04314.21
5.3.00.0270.04314.21
5.2.170.0230.06714.21
5.2.160.0300.05014.21
5.2.150.0170.03714.21
5.2.140.0200.05014.21
5.2.130.0270.06014.21
5.2.120.0230.05314.21
5.2.110.0170.06014.21
5.2.100.0200.05014.21
5.2.90.0130.05714.21
5.2.80.0300.03014.21
5.2.70.0200.03714.21
5.2.60.0200.06014.21
5.2.50.0230.06014.21
5.2.40.0230.03014.21
5.2.30.0170.06014.21
5.2.20.0200.05014.21
5.2.10.0230.05314.21
5.2.00.0200.04014.21
5.1.60.0170.05014.21
5.1.50.0170.05314.21
5.1.40.0170.05314.21
5.1.30.0230.05014.21
5.1.20.0230.05314.21
5.1.10.0200.04714.21
5.1.00.0200.03014.21
5.0.50.0070.04314.21
5.0.40.0100.03714.21
5.0.30.0100.05014.21
5.0.20.0100.04014.21
5.0.10.0130.03714.21
5.0.00.0030.05014.21
4.4.90.0070.02014.21
4.4.80.0130.03014.21
4.4.70.0130.01014.21
4.4.60.0100.02714.21
4.4.50.0070.02314.21
4.4.40.0000.03714.21
4.4.30.0070.03314.21
4.4.20.0100.02714.21
4.4.10.0030.02014.21
4.4.00.0070.04014.21
4.3.110.0100.03314.21
4.3.100.0100.02714.21
4.3.90.0130.03014.21
4.3.80.0070.03014.21
4.3.70.0130.02314.21
4.3.60.0130.02714.21
4.3.50.0100.03014.21
4.3.40.0070.05314.21
4.3.30.0070.02714.21
4.3.20.0000.03314.21
4.3.10.0030.03714.21
4.3.00.0070.03014.21

preferences:
36.75 ms | 401 KiB | 5 Q