3v4l.org

run code in 300+ PHP versions simultaneously
<?php $username = ''; $password = ''; $host = ""; $dbname = ''; $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()); }

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)
8.3.70.0070.01416.63
8.3.60.0120.00318.56
8.3.50.0080.00821.99
8.3.40.0170.00718.88
8.3.30.0110.00419.24
8.3.20.0070.00020.13
8.3.10.0070.00023.65
8.3.00.0040.00420.77
8.2.180.0160.01016.63
8.2.170.0040.01122.96
8.2.160.0030.01120.52
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0100.00726.16
8.2.120.0050.00319.36
8.2.110.0060.00320.58
8.2.100.0080.00417.91
8.2.90.0000.00818.34
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0090.00417.79
8.2.50.0030.00618.07
8.2.40.0060.00319.87
8.2.30.0070.00018.23
8.2.20.0080.00017.66
8.2.10.0000.00718.24
8.2.00.0060.00317.68
8.1.280.0090.00925.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.18
8.1.230.0070.00420.91
8.1.220.0070.00017.79
8.1.210.0030.00518.88
8.1.200.0030.00617.23
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00218.71
8.1.160.0000.00722.06
8.1.150.0080.00018.54
8.1.140.0040.00417.32
8.1.130.0040.00419.53
8.1.120.0040.00417.44
8.1.110.0060.00317.34
8.1.100.0040.00417.49
8.1.90.0070.00017.36
8.1.80.0000.00717.41
8.1.70.0030.00317.45
8.1.60.0040.00417.49
8.1.50.0060.00317.43
8.1.40.0020.00517.48
8.1.30.0090.00017.64
8.1.20.0040.00417.63
8.1.10.0000.00717.57
8.1.00.0060.00317.50
8.0.300.0050.00220.11
8.0.290.0000.00716.75
8.0.280.0030.00518.44
8.0.270.0000.00717.25
8.0.260.0030.00317.25
8.0.250.0000.00716.91
8.0.240.0030.00517.03
8.0.230.0030.00317.00
8.0.220.0030.00316.89
8.0.210.0030.00316.95
8.0.200.0030.00317.00
8.0.190.0030.00617.01
8.0.180.0000.00817.00
8.0.170.0030.00616.88
8.0.160.0030.00316.93
8.0.150.0000.00816.94
8.0.140.0030.00516.97
8.0.130.0030.00313.36
8.0.120.0030.00516.88
8.0.110.0050.00216.94
8.0.100.0000.00816.84
8.0.90.0040.00417.00
8.0.80.0100.00716.92
8.0.70.0040.00416.89
8.0.60.0040.00417.07
8.0.50.0000.00817.01
8.0.30.0130.00817.11
8.0.20.0110.00917.40
8.0.10.0030.00517.13
8.0.00.0080.01116.67
7.4.330.0020.00215.13
7.4.320.0030.00316.64
7.4.300.0000.00616.60
7.4.290.0030.00316.60
7.4.280.0000.00816.60
7.4.270.0080.00016.52
7.4.260.0040.00416.58
7.4.250.0000.00716.45
7.4.240.0060.00216.51
7.4.230.0040.00416.43
7.4.220.0120.01316.70
7.4.210.0080.01116.51
7.4.200.0050.00316.55
7.4.160.0040.01216.58
7.4.150.0150.00317.40
7.4.140.0160.00217.86
7.4.130.0060.01116.50
7.4.120.0070.01016.65
7.4.110.0070.01016.58
7.4.100.0090.00916.68
7.4.90.0120.00616.40
7.4.80.0140.00719.39
7.4.70.0040.01216.49
7.4.60.0000.01716.49
7.4.50.0030.00616.32
7.4.40.0060.00916.57
7.4.30.0110.00416.33
7.4.00.0070.00815.13
7.3.330.0020.00213.09
7.3.320.0000.00613.10
7.3.310.0000.00716.39
7.3.300.0030.00316.25
7.3.290.0040.01016.27
7.3.280.0080.00916.18
7.3.270.0150.00417.40
7.3.260.0090.01516.34
7.3.250.0090.00816.29
7.3.240.0100.00716.27
7.3.230.0070.01016.39
7.3.210.0140.00416.28
7.3.200.0100.01019.39
7.3.190.0070.01016.24
7.3.180.0110.00716.27
7.3.170.0080.00816.53
7.3.160.0040.01216.31
7.3.120.0090.00814.92
7.3.110.0110.00614.86
7.3.100.0000.01114.69
7.3.90.0060.00314.59
7.3.80.0120.00014.91
7.3.70.0070.00314.87
7.3.60.0030.01214.78
7.3.50.0030.00614.64
7.3.40.0000.01314.78
7.3.30.0000.01314.81
7.3.20.0070.00316.72
7.3.10.0000.01616.46
7.3.00.0000.00916.69
7.2.330.0090.00916.24
7.2.320.0180.00416.62
7.2.310.0080.00816.55
7.2.300.0070.01416.40
7.2.290.0030.01316.61
7.2.250.0030.01714.73
7.2.240.0070.01315.18
7.2.230.0070.01014.60
7.2.220.0140.00414.87
7.2.210.0070.00714.88
7.2.200.0030.01015.06
7.2.190.0090.00614.90
7.2.180.0030.01214.69
7.2.170.0040.00415.10
7.2.60.0070.01016.81
7.2.00.0040.00819.23
7.1.330.0060.01215.86
7.1.320.0080.00815.60
7.1.310.0100.00615.32
7.1.300.0060.00915.30
7.1.290.0100.00315.54
7.1.280.0060.00615.82
7.1.270.0030.00915.75
7.1.260.0040.00415.59
7.1.200.0060.00615.85
7.1.100.0060.00617.82
7.1.70.0030.01216.87
7.1.60.0130.01019.70
7.1.50.0030.01316.88
7.1.00.0030.07722.57
7.0.200.0000.01016.57
7.0.140.0130.06022.00
7.0.60.0170.07719.91
7.0.50.0000.06017.84
7.0.40.0130.08019.98
7.0.30.0300.08020.08
7.0.20.0230.08320.17
7.0.10.0370.06320.04
7.0.00.0100.08020.17
5.6.280.0070.07021.04
5.6.210.0000.08720.52
5.6.200.0000.04718.21
5.6.190.0070.06720.43
5.6.180.0100.03720.56
5.6.170.0230.07320.38
5.6.160.0070.04020.38
5.6.150.0030.07018.18
5.6.140.0170.05718.18
5.6.130.0100.07718.18
5.6.120.0100.08020.96
5.6.110.0070.08721.01
5.6.100.0070.08320.95
5.6.90.0100.08320.98
5.6.80.0030.07720.48
5.6.70.0170.07320.52
5.5.350.0000.04720.41
5.5.340.0100.06717.88
5.5.330.0100.06720.40
5.5.320.0000.08320.32
5.5.310.0230.08020.24
5.5.300.0100.08017.92
5.5.290.0030.08317.88
5.5.280.0030.05720.77
5.5.270.0170.07320.86
5.5.260.0100.08020.86
5.5.250.0000.04720.66
5.5.240.0070.04020.16
5.4.450.0670.06319.63
5.4.440.1070.05319.49
5.4.430.1200.05719.29
5.4.420.1100.06019.51
5.4.410.1300.06719.36
5.4.400.1170.07719.16
5.4.390.1170.06319.11
5.4.380.0100.06018.50
5.4.370.0200.05018.50
5.4.360.0170.05318.59
5.4.350.0100.06318.67
5.4.340.0170.05718.59
5.4.320.0070.03712.46
5.4.310.0050.03812.45
5.4.300.0060.03812.46
5.4.290.0040.04112.45
5.4.280.0040.03812.35
5.4.270.0050.04712.35
5.4.260.0070.03712.35
5.4.250.0040.03912.35
5.4.240.0060.03512.35
5.4.230.0070.03712.34
5.4.220.0070.03612.34
5.4.210.0050.03812.34
5.4.200.0060.03812.34
5.4.190.0050.03912.34
5.4.180.0060.03612.34
5.4.170.0070.03512.35
5.4.160.0090.03312.34
5.4.150.0080.03612.34
5.4.140.0050.04112.03
5.4.130.0050.03812.02
5.4.120.0050.04211.97
5.4.110.0070.04311.97
5.4.100.0080.03411.97
5.4.90.0100.04011.96
5.4.80.0050.03711.96
5.4.70.0090.03411.96
5.4.60.0110.03311.96
5.4.50.0080.03511.96
5.4.40.0050.04811.95
5.4.30.0100.03711.95
5.4.20.0060.03711.95
5.4.10.0100.03411.95
5.4.00.0060.03911.45
5.3.290.0050.03912.80
5.3.280.0060.03912.71
5.3.270.0090.06312.72
5.3.260.0120.06112.72
5.3.250.0090.03512.71
5.3.240.0090.04612.72
5.3.230.0050.04012.71
5.3.220.0030.04012.68
5.3.210.0080.04212.68
5.3.200.0070.03912.68
5.3.190.0060.03712.68
5.3.180.0040.03912.67
5.3.170.0040.03812.67
5.3.160.0070.03612.67
5.3.150.0090.04312.68
5.3.140.0150.04912.66
5.3.130.0160.04812.65
5.3.120.0060.05612.66
5.3.110.0090.05312.66
5.3.100.0060.04212.12
5.3.90.0030.04112.09
5.3.80.0030.04112.08
5.3.70.0070.03712.08
5.3.60.0070.03612.06
5.3.50.0060.03612.00
5.3.40.0080.03512.00
5.3.30.0100.04011.96
5.3.20.0080.03911.72
5.3.10.0050.03511.69
5.3.00.0050.03711.68
5.2.170.0070.0289.18
5.2.160.0060.0289.18
5.2.150.0040.0329.18
5.2.140.0050.0299.18
5.2.130.0090.0279.14
5.2.120.0070.0299.13
5.2.110.0020.0329.15
5.2.100.0050.0289.14
5.2.90.0030.0329.14
5.2.80.0100.0289.14
5.2.70.0070.0299.14
5.2.60.0040.0319.09
5.2.50.0060.0299.06
5.2.40.0020.0329.04
5.2.30.0020.0349.01
5.2.20.0040.0319.00
5.2.10.0080.0258.93
5.2.00.0040.0308.79
5.1.60.0030.0258.07
5.1.50.0000.0298.06
5.1.40.0030.0268.05
5.1.30.0060.0258.39
5.1.20.0040.0278.42
5.1.10.0060.0248.14
5.1.00.0040.0288.14
5.0.50.0030.0256.62
5.0.40.0030.0216.48
5.0.30.0030.0326.30
5.0.20.0030.0216.26
5.0.10.0010.0236.24
5.0.00.0030.0326.23
4.4.90.0050.0214.78
4.4.80.0030.0174.75
4.4.70.0030.0164.76
4.4.60.0050.0144.75
4.4.50.0030.0184.77
4.4.40.0050.0304.71
4.4.30.0000.0194.76
4.4.20.0030.0164.84
4.4.10.0030.0174.85
4.4.00.0020.0274.76
4.3.110.0040.0164.67
4.3.100.0040.0204.67
4.3.90.0020.0214.63
4.3.80.0080.0284.58
4.3.70.0040.0224.63
4.3.60.0050.0194.62
4.3.50.0030.0204.63
4.3.40.0010.0274.54
4.3.30.0020.0183.29
4.3.20.0040.0173.27
4.3.10.0040.0153.22
4.3.00.0030.01332.19

preferences:
39.1 ms | 401 KiB | 5 Q