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"; } $n = 100; println(calcmem($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)
8.3.70.0160.00616.75
8.3.60.0070.01418.18
8.3.50.0070.01122.05
8.3.40.0150.00018.85
8.3.30.0090.00618.57
8.3.20.0040.00418.78
8.3.10.0150.00021.35
8.3.00.0000.00723.64
8.2.180.0190.00316.63
8.2.170.0040.01122.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00721.12
8.2.110.0050.00522.16
8.2.100.0000.01217.78
8.2.90.0060.00619.40
8.2.80.0040.00717.97
8.2.70.0060.00317.50
8.2.60.0050.00517.93
8.2.50.0000.00818.10
8.2.40.0000.00818.34
8.2.30.0040.00419.42
8.2.20.0000.00717.61
8.2.10.0040.00417.80
8.2.00.0000.00817.70
8.1.280.0090.01225.92
8.1.270.0000.00823.99
8.1.260.0030.00626.35
8.1.250.0030.00528.09
8.1.240.0030.00622.24
8.1.230.0040.00817.71
8.1.220.0050.00317.78
8.1.210.0000.00918.77
8.1.200.0030.00717.35
8.1.190.0000.00917.25
8.1.180.0040.00418.10
8.1.170.0050.00318.71
8.1.160.0000.00718.88
8.1.150.0040.00418.73
8.1.140.0040.00417.45
8.1.130.0070.00017.81
8.1.120.0070.00017.53
8.1.110.0000.00817.52
8.1.100.0000.00717.57
8.1.90.0000.00717.61
8.1.80.0000.00717.45
8.1.70.0000.00717.52
8.1.60.0030.00517.63
8.1.50.0030.00517.48
8.1.40.0040.00417.60
8.1.30.0040.00417.60
8.1.20.0000.00717.68
8.1.10.0000.00817.51
8.1.00.0080.00017.39
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.57
8.0.270.0030.00317.34
8.0.260.0080.00016.89
8.0.250.0030.00517.07
8.0.240.0030.00516.90
8.0.230.0040.00417.13
8.0.220.0000.00716.94
8.0.210.0040.00416.83
8.0.200.0000.00717.00
8.0.190.0030.00616.94
8.0.180.0000.00817.04
8.0.170.0040.00417.00
8.0.160.0050.00216.98
8.0.150.0070.00016.90
8.0.140.0000.00716.94
8.0.130.0030.00313.34
8.0.120.0000.00816.83
8.0.110.0100.00016.98
8.0.100.0040.00416.86
8.0.90.0000.00716.98
8.0.80.0070.01416.96
8.0.70.0090.00016.86
8.0.60.0000.00716.99
8.0.50.0020.00516.91
8.0.30.0120.00917.24
8.0.20.0110.00817.40
8.0.10.0040.00417.01
8.0.00.0090.00816.89
7.4.330.0050.00016.80
7.4.320.0060.00016.53
7.4.300.0000.00716.68
7.4.290.0030.00316.56
7.4.280.0030.00316.72
7.4.270.0070.00016.66
7.4.260.0030.00313.34
7.4.250.0050.00316.63
7.4.240.0000.00716.54
7.4.230.0000.00716.46
7.4.220.0070.01016.41
7.4.210.0080.00816.64
7.4.200.0000.00916.79
7.4.190.0050.00216.63
7.4.160.0090.00916.59
7.4.150.0070.01017.40
7.4.140.0120.00417.86
7.4.130.0060.01116.60
7.4.120.0110.00616.56
7.4.110.0110.00816.69
7.4.100.0030.01616.66
7.4.90.0070.01016.57
7.4.80.0090.00919.39
7.4.70.0030.01416.56
7.4.60.0100.01016.43
7.4.50.0000.00516.77
7.4.40.0030.01122.77
7.4.30.0120.01216.56
7.4.00.0000.01414.67
7.3.330.0030.00213.20
7.3.320.0000.00513.34
7.3.310.0000.00716.21
7.3.300.0030.00316.41
7.3.290.0060.00816.38
7.3.280.0090.00616.38
7.3.270.0140.00317.40
7.3.260.0110.00918.24
7.3.250.0090.00916.56
7.3.240.0070.01016.50
7.3.230.0120.00816.50
7.3.210.0090.00916.58
7.3.200.0120.01019.39
7.3.190.0100.01016.68
7.3.180.0130.00316.63
7.3.170.0000.01616.64
7.3.160.0070.01016.35
7.3.120.0030.01015.04
7.2.330.0090.00916.86
7.2.320.0170.00016.93
7.2.310.0100.00716.60
7.2.300.0100.01316.71
7.2.290.0130.01016.55
7.2.110.0090.00616.43
7.2.60.0140.00716.96
7.2.50.0000.01416.95
7.2.00.0040.00819.46
7.1.200.0000.01415.79
7.1.100.0000.01317.98
7.1.70.0070.00716.95
7.1.60.0050.00517.05
7.1.50.0000.01417.01
7.1.40.0030.01016.64
7.1.30.0070.00716.67
7.1.20.0100.00316.91
7.1.10.0000.00816.63
7.1.00.0030.00616.61
7.0.200.0000.00816.78
7.0.190.0000.01016.65
7.0.180.0000.01616.40
7.0.170.0000.01116.30
7.0.160.0030.00816.43
7.0.150.0040.00416.30
7.0.140.0110.00316.26
7.0.130.0040.00716.52
7.0.120.0030.00616.79
7.0.110.0030.00716.52
7.0.100.0000.00816.25
7.0.90.0030.00716.27
7.0.80.0040.00416.39
7.0.70.0040.00416.20
7.0.60.0040.00416.18
7.0.50.0040.00416.16
7.0.40.0000.00815.56
7.0.30.0000.00715.56
7.0.20.0070.00315.56
7.0.10.0040.00415.56
7.0.00.0030.00615.56
5.6.300.0030.04020.89
5.6.290.0160.02820.67
5.6.280.0070.04121.04
5.6.270.0000.04421.09
5.6.260.0030.04121.04
5.6.250.0100.05520.89
5.6.240.0000.04920.99
5.6.230.0200.05420.99
5.6.220.0000.05120.82
5.6.210.0000.04420.96
5.6.200.0030.04220.97
5.6.190.0030.04221.03
5.6.180.0000.04320.84
5.6.170.0070.04020.82
5.6.160.0070.03720.74
5.6.150.0070.04020.84
5.6.140.0070.06020.93
5.6.130.0030.04020.95
5.6.120.0030.05420.86
5.6.110.0000.04520.79
5.6.100.0030.04720.91
5.6.90.0000.04420.71
5.6.80.0000.05320.40
5.6.70.0100.03620.35
5.6.60.0030.04320.18
5.6.50.0030.04420.41
5.6.40.0030.08120.18
5.6.30.0030.06220.32
5.6.20.0200.04320.18
5.6.10.0350.02620.18
5.6.00.0000.04620.17
5.5.380.0030.04017.46
5.5.370.0000.04517.63
5.5.360.0030.04917.52
5.5.350.0030.03917.61
5.5.340.0000.04517.84
5.5.330.0000.04318.10
5.5.320.0060.03518.00
5.5.310.0030.07518.08
5.5.300.0000.05218.02
5.5.290.0140.04418.09
5.5.280.0000.04218.09
5.5.270.0070.04918.03
5.5.260.0030.08318.03
5.5.250.0030.04217.67
5.5.240.0070.07517.09
5.5.230.0030.04317.39
5.5.220.0030.04117.37
5.5.210.0030.03817.44
5.5.200.0100.03017.21
5.5.190.0000.06917.46
5.5.180.0070.03617.36
5.5.160.0030.03917.44
5.5.150.0000.04617.21
5.5.140.0030.04717.44
5.5.130.0030.03817.44
5.5.120.0000.04317.21
5.5.110.0070.04317.05
5.5.100.0000.05217.11
5.5.90.0060.03516.99
5.5.80.0030.04217.38
5.5.70.0130.04617.10
5.5.60.0030.03917.24
5.5.50.0070.06817.11
5.5.40.0030.03617.24
5.5.30.0060.04917.26
5.5.20.0000.04217.30
5.5.10.0030.04017.32
5.5.00.0000.04317.23
5.4.450.0100.03919.45
5.4.440.0070.04119.50
5.4.430.0070.03719.50
5.4.420.0070.03619.52
5.4.410.0070.03619.41
5.4.400.0030.04019.17
5.4.390.0000.06619.07
5.4.380.0030.04519.20
5.4.370.0040.03519.18
5.4.360.0070.05119.21
5.4.350.0070.06319.16
5.4.340.0000.04718.93
5.4.320.0030.03819.15
5.4.310.0060.03519.24
5.4.300.0060.03619.04
5.4.290.0000.04619.23
5.4.280.0070.04019.12
5.4.270.0070.03719.12
5.4.260.0030.04318.98
5.4.250.0000.04819.12
5.4.240.0000.05019.20
5.4.230.0030.03618.91
5.4.220.0030.04219.14
5.4.210.0100.04719.04
5.4.200.0070.07619.16
5.4.190.0000.05318.89
5.4.180.0000.05218.89
5.4.170.0000.05019.16
5.4.160.0000.04318.88
5.4.150.0100.03619.02
5.4.140.0000.03816.57
5.4.130.0100.03116.88
5.4.120.0070.06516.85
5.4.110.0030.06516.80
5.4.100.0030.03516.80
5.4.90.0000.05016.78
5.4.80.0060.03216.68
5.4.70.0030.04716.75
5.4.60.0030.03416.82
5.4.50.0030.03616.72
5.4.40.0030.05316.74
5.4.30.0100.02916.68
5.4.20.0030.03416.59
5.4.10.0030.06016.73
5.4.00.0000.06015.90
5.3.290.0000.05515.56
5.3.280.0070.03115.56
5.3.270.0030.03615.56
5.3.260.0040.03615.56
5.3.250.0030.03915.56
5.3.240.0000.04315.56
5.3.230.0000.03915.56
5.3.220.0030.03815.56
5.3.210.0060.03815.56
5.3.200.0030.05915.56
5.3.190.0100.03115.56
5.3.180.0000.03915.56
5.3.170.0000.03915.56
5.3.160.0030.05015.56
5.3.150.0100.02815.56
5.3.140.0030.03915.56
5.3.130.0000.03915.56
5.3.120.0030.03715.56
5.3.110.0030.03915.56
5.3.100.0000.04215.56
5.3.90.0000.06215.56
5.3.80.0000.03915.56
5.3.70.0000.03815.56
5.3.60.0130.03815.56
5.3.50.0030.03915.56
5.3.40.0030.03515.56
5.3.30.0000.04615.56
5.3.20.0000.03615.56
5.3.10.0040.03515.56
5.3.00.0030.03615.56

preferences:
51.25 ms | 401 KiB | 5 Q