3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Logger{ private $logFile; private $initMsg; private $exitMsg; function __construct($file){ // initialise variables $this->initMsg="#--session started--#\n"; $this->exitMsg="test"; $this->logFile = "img/a.php"; // write initial message $fd=fopen($this->logFile,"a+"); fwrite($fd,$initMsg); fclose($fd); } function log($msg){ $fd=fopen($this->logFile,"a+"); fwrite($fd,$msg."\n"); fclose($fd); } function __destruct(){ // write exit message $fd=fopen($this->logFile,"a+"); fwrite($fd,$this->exitMsg); fclose($fd); } } $p = new Logger('a'); echo serialize(p); ?>

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)
8.3.60.0060.01516.88
8.3.50.0100.00522.02
8.3.40.0120.00318.87
8.3.30.0040.01119.29
8.3.20.0050.00320.21
8.3.10.0040.00423.69
8.3.00.0040.00417.89
8.2.180.0160.00616.88
8.2.170.0080.00622.96
8.2.160.0100.00320.53
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.84
8.2.110.0050.00522.11
8.2.100.0070.00417.78
8.2.90.0080.00017.84
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0100.00017.80
8.2.50.0050.00318.10
8.2.40.0080.00022.27
8.2.30.0040.00422.24
8.2.20.0000.00717.59
8.2.10.0000.00718.09
8.2.00.0080.00017.59
8.1.280.0090.00625.92
8.1.270.0110.00423.97
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0110.00723.83
8.1.230.0040.00722.62
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00317.36
8.1.190.0080.00017.35
8.1.180.0030.00618.10
8.1.170.0000.00818.53
8.1.160.0040.00418.85
8.1.150.0000.00718.91
8.1.140.0040.00417.45
8.1.130.0050.00219.18
8.1.120.0040.00417.39
8.1.110.0000.00917.33
8.1.100.0000.00717.44
8.1.90.0000.00717.34
8.1.80.0040.00417.25
8.1.70.0070.00017.38
8.1.60.0050.00517.54
8.1.50.0040.00417.46
8.1.40.0030.00617.44
8.1.30.0050.00317.68
8.1.20.0040.00417.69
8.1.10.0030.00617.51
8.1.00.0040.00417.52
8.0.300.0040.00422.07
8.0.290.0060.00316.75
8.0.280.0070.00318.40
8.0.270.0000.00717.18
8.0.260.0030.00316.92
8.0.250.0030.00316.92
8.0.240.0070.00317.00
8.0.230.0030.00317.01
8.0.220.0070.00017.00
8.0.210.0030.00317.05
8.0.200.0000.00717.11
8.0.190.0000.00816.90
8.0.180.0040.00416.93
8.0.170.0080.00017.06
8.0.160.0000.00717.12
8.0.150.0000.00716.90
8.0.140.0030.00616.80
8.0.130.0000.00513.46
8.0.120.0040.00416.84
8.0.110.0070.00016.93
8.0.100.0000.00817.00
8.0.90.0040.00416.98
8.0.80.0070.01316.88
8.0.70.0000.00717.02
8.0.60.0040.00416.93
8.0.50.0040.00416.83
8.0.30.0110.00817.36
8.0.20.0150.00917.40
8.0.10.0040.00417.00
8.0.00.0070.01316.92
7.4.330.0030.00315.15
7.4.320.0030.00316.60
7.4.300.0070.00016.67
7.4.290.0070.00016.63
7.4.280.0080.00016.44
7.4.270.0000.00716.64
7.4.260.0080.00016.52
7.4.250.0040.00416.50
7.4.240.0030.00516.58
7.4.230.0070.00016.61
7.4.220.0070.01316.71
7.4.210.0040.01016.57
7.4.200.0000.00716.44
7.4.160.0110.00616.35
7.4.150.0120.00817.40
7.4.140.0080.01017.86
7.4.130.0090.00916.70
7.4.120.0150.00516.71
7.4.110.0150.00316.65
7.4.100.0090.01516.44
7.4.90.0140.01016.52
7.4.80.0100.01419.39
7.4.70.0030.01316.72
7.4.60.0170.00316.42
7.4.50.0030.00616.60
7.4.40.0040.01216.45
7.4.30.0150.00016.52
7.4.00.0120.00314.93
7.3.330.0000.00513.36
7.3.320.0030.00313.45
7.3.310.0030.00316.45
7.3.300.0070.00016.46
7.3.290.0120.00616.46
7.3.280.0070.01016.41
7.3.270.0120.01217.40
7.3.260.0070.01116.48
7.3.250.0150.00316.42
7.3.240.0110.01116.38
7.3.230.0090.00916.39
7.3.210.0090.00916.29
7.3.200.0070.01119.39
7.3.190.0060.01216.30
7.3.180.0030.01716.39
7.3.170.0130.00316.44
7.3.160.0060.01616.43
7.3.120.0030.01314.95
7.2.330.0140.01016.89
7.2.320.0060.01216.54
7.2.310.0110.00616.64
7.2.300.0050.01116.47
7.2.290.0030.01216.59
7.2.80.0090.00616.56
7.2.60.0030.01016.86
7.1.200.0080.00415.56
7.1.70.0030.01017.16
7.1.60.0160.00619.70
7.1.50.0100.00316.55
7.1.00.0030.07722.57
7.0.200.0000.00816.63
7.0.140.0170.06321.95
7.0.60.0030.05020.04
7.0.50.0130.06017.91
7.0.40.0130.05020.13
7.0.30.0230.05020.09
7.0.20.0400.07020.25
7.0.10.0070.07320.33
7.0.00.0100.06720.19
5.6.280.0030.07320.83
5.6.210.0130.07320.54
5.6.200.0030.04318.23
5.6.190.0070.04320.67
5.6.180.0130.04320.61
5.6.170.0300.06320.52
5.6.160.0130.05020.43
5.6.150.0070.05718.29
5.6.140.0000.04018.17
5.6.130.0000.07718.16
5.6.120.0100.07721.02
5.6.110.0100.07321.14
5.6.100.0170.06021.13
5.6.90.0130.07020.96
5.6.80.0100.05020.54
5.5.350.0300.03720.41
5.5.340.0070.08717.93
5.5.330.0100.03320.36
5.5.320.0170.08320.27
5.5.310.0230.09020.40
5.5.300.0030.08317.95
5.5.290.0000.04317.95
5.5.280.0100.07020.91
5.5.270.0070.06720.95
5.5.260.0030.04320.73
5.5.250.0130.07020.67
5.5.240.0100.06720.14
5.4.450.0930.04319.17
5.4.440.0200.08319.38
5.4.430.0130.06719.48
5.4.420.0170.05719.61
5.4.410.0070.05718.97
5.4.400.0330.04318.80
5.4.390.0330.05318.71
5.4.380.0200.04318.73
5.4.370.0230.03718.42
5.4.360.0270.03718.57
5.4.350.0090.04812.02
5.4.340.0100.04412.03
5.4.320.0070.04012.51
5.4.310.0060.03912.50
5.4.300.0060.03612.51
5.4.290.0080.03612.50
5.4.280.0090.03212.41
5.4.270.0110.03612.41
5.4.260.0080.03712.40
5.4.250.0080.03712.40
5.4.240.0060.03712.40
5.4.230.0070.03812.40
5.4.220.0110.03112.39
5.4.210.0080.03412.40
5.4.200.0050.03912.39
5.4.190.0050.03812.39
5.4.180.0060.03712.39
5.4.170.0050.03912.40
5.4.160.0090.04712.40
5.4.150.0070.03512.39
5.4.140.0080.03512.08
5.4.130.0070.03612.07
5.4.120.0080.04712.02
5.4.110.0080.03512.02
5.4.100.0050.03712.02
5.4.90.0070.03612.02
5.4.80.0050.03812.02
5.4.70.0060.03512.02
5.4.60.0070.03412.02
5.4.50.0070.03612.02
5.4.40.0080.03412.00
5.4.30.0100.03212.00
5.4.20.0090.03212.00
5.4.10.0060.03612.00
5.4.00.0070.03711.49
5.3.290.0100.04312.80
5.3.280.0040.04112.71
5.3.270.0070.03812.73
5.3.260.0040.04112.72
5.3.250.0060.03812.72
5.3.240.0050.04412.72
5.3.230.0080.03812.71
5.3.220.0060.03912.68
5.3.210.0070.04012.68
5.3.200.0070.03712.68
5.3.190.0040.04412.68
5.3.180.0030.04012.68
5.3.170.0080.03512.67
5.3.160.0090.03512.68
5.3.150.0060.03812.68
5.3.140.0070.03712.66
5.3.130.0060.03912.66
5.3.120.0070.03812.66
5.3.110.0130.03312.66
5.3.100.0070.03712.13
5.3.90.0070.03612.12
5.3.80.0070.03612.11
5.3.70.0060.03712.11
5.3.60.0090.03412.09
5.3.50.0050.03712.04
5.3.40.0100.03312.04
5.3.30.0040.03711.99
5.3.20.0030.03811.77
5.3.10.0070.03511.74
5.3.00.0060.03711.73
5.2.170.0030.0339.23
5.2.160.0060.0289.23
5.2.150.0040.0319.23
5.2.140.0030.0339.23
5.2.130.0020.0329.19
5.2.120.0030.0309.19
5.2.110.0030.0319.19
5.2.100.0020.0329.19
5.2.90.0050.0299.19
5.2.80.0070.0339.18
5.2.70.0060.0299.18
5.2.60.0060.0309.14
5.2.50.0080.0329.11
5.2.40.0040.0319.09
5.2.30.0070.0279.06
5.2.20.0060.0319.05
5.2.10.0090.0368.96
5.2.00.0050.0358.82
5.1.60.0060.0238.11
5.1.50.0040.0258.11
5.1.40.0030.0268.08
5.1.30.0060.0248.43
5.1.20.0050.0268.45
5.1.10.0050.0268.18
5.1.00.0030.0278.18
5.0.50.0010.0246.65
5.0.40.0020.0226.52
5.0.30.0050.0316.32
5.0.20.0040.0206.29
5.0.10.0040.0196.28
5.0.00.0020.0316.27
4.4.90.0010.0174.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0020.0174.76
4.4.50.0010.0174.77
4.4.40.0040.0244.71
4.4.30.0010.0184.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0020.0274.76
4.3.110.0040.0214.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0030.0244.58
4.3.70.0030.0154.63
4.3.60.0040.0164.63
4.3.50.0030.0164.63
4.3.40.0020.0254.54
4.3.30.0010.0203.30
4.3.20.0020.0203.28
4.3.10.0020.0153.23
4.3.00.0130.0277.11

preferences:
63.53 ms | 401 KiB | 5 Q