3v4l.org

run code in 300+ PHP versions simultaneously
$username = myusername; $password = mypw; $host = "db4free.net:3306"; $dbname = mydbname; $options = array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'); try { $db = new PDO("mysql:host={$host};dbname={$dbname};charset=utf8", $username, $password, $options); } catch(PDOException $ex) { die("Failed to connect to the database: " . $ex->getMessage()); } <?php

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)
8.3.70.0130.00618.18
8.3.60.0110.00416.38
8.3.50.0070.00721.97
8.3.40.0170.00318.68
8.3.30.0110.00418.92
8.3.20.0020.00520.25
8.3.10.0000.00823.72
8.3.00.0120.00020.90
8.2.180.0160.00616.63
8.2.170.0140.00322.96
8.2.160.0030.01020.57
8.2.150.0070.00024.18
8.2.140.0110.00724.66
8.2.130.0000.01826.16
8.2.120.0080.00019.23
8.2.110.0090.00022.25
8.2.100.0070.00418.03
8.2.90.0060.00318.98
8.2.80.0040.00417.97
8.2.70.0000.00817.34
8.2.60.0070.00317.80
8.2.50.0060.00318.07
8.2.40.0040.00419.76
8.2.30.0050.00318.11
8.2.20.0040.00417.59
8.2.10.0070.00017.92
8.2.00.0030.00617.57
8.1.280.0140.00325.92
8.1.270.0060.00323.88
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00323.68
8.1.230.0070.00319.04
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.00
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0000.00818.39
8.1.160.0080.00021.91
8.1.150.0070.00018.40
8.1.140.0000.00717.26
8.1.130.0050.00219.54
8.1.120.0030.00517.26
8.1.110.0070.00317.34
8.1.100.0000.00817.35
8.1.90.0070.00017.32
8.1.80.0000.00717.36
8.1.70.0070.00017.32
8.1.60.0030.00717.34
8.1.50.0090.00017.33
8.1.40.0000.00717.38
8.1.30.0030.00617.34
8.1.20.0080.00017.55
8.1.10.0040.00417.48
8.1.00.0040.00417.31
8.0.300.0080.00018.77
8.0.290.0060.00316.63
8.0.280.0070.00018.27
8.0.270.0000.00717.11
8.0.260.0060.00017.19
8.0.250.0000.00616.76
8.0.240.0000.01016.86
8.0.230.0000.00716.71
8.0.220.0040.00416.66
8.0.210.0030.00316.66
8.0.200.0060.00016.86
8.0.190.0000.00716.73
8.0.180.0040.00416.67
8.0.170.0040.00416.68
8.0.160.0030.00316.75
8.0.150.0000.00716.70
8.0.140.0040.00416.67
8.0.130.0060.00013.14
8.0.120.0070.00016.71
8.0.110.0040.00416.85
8.0.100.0040.00416.60
8.0.90.0050.00316.77
8.0.80.0140.00316.80
8.0.70.0050.00316.86
8.0.60.0070.00016.65
8.0.50.0000.00716.53
8.0.30.0150.00816.91
8.0.20.0110.00817.40
8.0.10.0070.00016.98
8.0.00.0110.00516.73
7.4.330.0060.00015.00
7.4.320.0050.00216.38
7.4.300.0060.00016.29
7.4.290.0070.00016.50
7.4.280.0030.00516.26
7.4.270.0030.00416.49
7.4.260.0030.00316.36
7.4.250.0070.00016.33
7.4.240.0070.00016.42
7.4.230.0000.00716.30
7.4.220.0080.00816.43
7.4.210.0100.01016.55
7.4.200.0000.00716.53
7.4.160.0100.00616.50
7.4.150.0070.01317.40
7.4.140.0120.00817.86
7.4.130.0110.00616.35
7.4.120.0070.01016.49
7.4.110.0070.01016.33
7.4.100.0160.00316.41
7.4.90.0060.01216.32
7.4.80.0140.00719.39
7.4.70.0030.01316.53
7.4.60.0170.00716.49
7.4.50.0000.00816.37
7.4.40.0060.00916.27
7.4.30.0000.01616.56
7.3.330.0060.00012.88
7.3.320.0030.00313.02
7.3.310.0070.00016.21
7.3.300.0030.00315.96
7.3.290.0040.01116.12
7.3.280.0090.00816.10
7.3.270.0100.01017.40
7.3.260.0110.00616.50
7.3.250.0090.00716.09
7.3.240.0130.00316.29
7.3.230.0100.00716.50
7.3.210.0000.01916.14
7.3.200.0080.00819.39
7.3.190.0140.00616.31
7.3.180.0080.00816.17
7.3.170.0040.01216.27
7.3.160.0120.00416.12
7.2.330.0150.00316.47
7.2.320.0160.00016.37
7.2.310.0100.00616.59
7.2.300.0100.00616.21
7.2.290.0080.00816.42
5.4.320.0100.03412.45
5.4.310.0080.04012.45
5.4.300.0100.03212.45
5.4.290.0090.03512.45
5.4.280.0110.03112.35
5.4.270.0130.03012.35
5.4.260.0100.03512.35
5.4.250.0050.03812.34
5.4.240.0060.03612.34
5.4.230.0100.03412.34
5.4.220.0070.03512.34
5.4.210.0070.03412.34
5.4.200.0120.03212.34
5.4.190.0090.03412.33
5.4.180.0050.03912.34
5.4.170.0060.03812.34
5.4.160.0070.03612.34
5.4.150.0090.03412.34
5.4.140.0130.03112.02
5.4.130.0080.03412.01
5.4.120.0070.03511.96
5.4.110.0080.04211.96
5.4.100.0100.03311.96
5.4.90.0060.03811.96
5.4.80.0120.03311.96
5.4.70.0060.03611.96
5.4.60.0070.03511.96
5.4.50.0060.03611.96
5.4.40.0040.03611.95
5.4.30.0060.03611.95
5.4.20.0060.03511.95
5.4.10.0050.03711.95
5.4.00.0080.03511.44
5.3.290.0070.03912.80
5.3.280.0080.03712.71
5.3.270.0050.04112.73
5.3.260.0090.03612.72
5.3.250.0070.03512.72
5.3.240.0030.04012.72
5.3.230.0080.03512.71
5.3.220.0070.03912.68
5.3.210.0060.03912.68
5.3.200.0050.03712.68
5.3.190.0080.03512.68
5.3.180.0110.03912.68
5.3.170.0100.03412.67
5.3.160.0080.03612.68
5.3.150.0050.03912.68
5.3.140.0040.04112.66
5.3.130.0100.04412.66
5.3.120.0080.04112.66
5.3.110.0080.03812.66
5.3.100.0100.03412.12
5.3.90.0010.04112.08
5.3.80.0080.03512.07
5.3.70.0040.03812.07
5.3.60.0020.04012.07
5.3.50.0070.03512.00
5.3.40.0060.03712.00
5.3.30.0030.03811.94
5.3.20.0030.03811.71
5.3.10.0090.03111.69
5.3.00.0060.03911.67
5.2.170.0040.0329.17
5.2.160.0040.0319.17
5.2.150.0050.0309.17
5.2.140.0040.0319.17
5.2.130.0030.0309.13
5.2.120.0050.0289.13
5.2.110.0050.0299.14
5.2.100.0050.0289.14
5.2.90.0040.0309.14
5.2.80.0050.0309.14
5.2.70.0050.0309.13
5.2.60.0050.0309.09
5.2.50.0090.0259.05
5.2.40.0070.0269.03
5.2.30.0050.0309.00
5.2.20.0060.0288.99
5.2.10.0040.0308.92
5.2.00.0090.0378.78
5.1.60.0080.0248.06
5.1.50.0040.0268.05
5.1.40.0080.0288.04
5.1.30.0030.0358.39
5.1.20.0050.0378.41
5.1.10.0060.0338.13
5.1.00.0080.0338.13
5.0.50.0100.0226.61
5.0.40.0130.0196.47
5.0.30.0030.0326.29
5.0.20.0100.0206.25
5.0.10.0070.0196.23
5.0.00.0010.0336.22
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0020.0154.77
4.4.40.0010.0294.71
4.4.30.0030.0154.75
4.4.20.0020.0164.84
4.4.10.0010.0174.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0020.0154.64
4.3.80.0010.0264.59
4.3.70.0020.0184.63
4.3.60.0050.0144.63
4.3.50.0010.0174.63
4.3.40.0030.0244.53
4.3.30.0020.0163.28
4.3.20.0010.0183.25
4.3.10.0020.0163.22
4.3.00.0000.0237.29

preferences:
41.89 ms | 401 KiB | 5 Q