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); } } echo serialize(Logger); ?>

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)
8.3.60.0070.00718.28
8.3.50.0110.00521.99
8.3.40.0040.01118.89
8.3.30.0110.00419.05
8.3.20.0030.00520.34
8.3.10.0070.00023.57
8.3.00.0000.00817.68
8.2.180.0120.00416.74
8.2.170.0070.00722.96
8.2.160.0040.01620.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00020.83
8.2.110.0060.00320.51
8.2.100.0090.00317.74
8.2.90.0040.00419.02
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0050.00318.04
8.2.50.0000.00818.10
8.2.40.0000.00818.22
8.2.30.0030.00718.13
8.2.20.0000.00817.76
8.2.10.0000.00718.06
8.2.00.0000.00817.63
8.1.280.0070.01425.92
8.1.270.0090.00023.96
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0060.00323.81
8.1.230.0150.00018.89
8.1.220.0000.00817.77
8.1.210.0030.00618.77
8.1.200.0000.00917.35
8.1.190.0040.00417.00
8.1.180.0000.00918.10
8.1.170.0060.00318.55
8.1.160.0070.00022.02
8.1.150.0040.00418.82
8.1.140.0000.00717.35
8.1.130.0000.00717.82
8.1.120.0000.00717.30
8.1.110.0000.00817.42
8.1.100.0040.00417.39
8.1.90.0030.00317.40
8.1.80.0040.00417.47
8.1.70.0030.00317.38
8.1.60.0030.00617.48
8.1.50.0040.00417.36
8.1.40.0070.00017.36
8.1.30.0030.00517.56
8.1.20.0040.00417.44
8.1.10.0050.00217.54
8.1.00.0000.00817.32
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00818.46
8.0.270.0000.00717.14
8.0.260.0030.00317.18
8.0.250.0000.00716.94
8.0.240.0040.00716.99
8.0.230.0000.00716.95
8.0.220.0000.00717.00
8.0.210.0030.00316.85
8.0.200.0040.00417.04
8.0.190.0030.00317.02
8.0.180.0000.00716.94
8.0.170.0070.00016.95
8.0.160.0000.00716.98
8.0.150.0040.00416.89
8.0.140.0100.00016.93
8.0.130.0030.00313.35
8.0.120.0040.00416.81
8.0.110.0040.00417.01
8.0.100.0040.00417.07
8.0.90.0000.00816.83
8.0.80.0030.01216.93
8.0.70.0000.00717.00
8.0.60.0050.00316.79
8.0.50.0040.00416.84
8.0.30.0070.01717.08
8.0.20.0050.01617.40
8.0.10.0000.00816.91
8.0.00.0140.00316.76
7.4.330.0070.00015.00
7.4.320.0060.00016.41
7.4.300.0030.00316.34
7.4.290.0030.00316.47
7.4.280.0040.00416.43
7.4.270.0070.00016.47
7.4.260.0030.00616.54
7.4.250.0040.00416.33
7.4.240.0020.00516.51
7.4.230.0070.00016.29
7.4.220.0070.01116.55
7.4.210.0140.00016.46
7.4.200.0000.00716.29
7.4.160.0120.00416.33
7.4.150.0090.00917.40
7.4.140.0080.00917.86
7.4.130.0110.00816.47
7.4.120.0110.00916.61
7.4.110.0120.00616.45
7.4.100.0070.01016.54
7.4.90.0050.01116.60
7.4.80.0050.01719.39
7.4.70.0070.01016.54
7.4.60.0090.00916.59
7.4.50.0030.00516.41
7.4.40.0150.00616.27
7.4.30.0090.00616.59
7.4.00.0080.00614.80
7.3.330.0000.00513.20
7.3.320.0020.00213.11
7.3.310.0050.00216.29
7.3.300.0060.00016.29
7.3.290.0070.00716.22
7.3.280.0030.01516.20
7.3.270.0100.00717.40
7.3.260.0110.01116.38
7.3.250.0090.00816.42
7.3.240.0100.01516.51
7.3.230.0190.00316.43
7.3.210.0090.00816.32
7.3.200.0140.00719.39
7.3.190.0060.01316.22
7.3.180.0060.01216.43
7.3.170.0030.01216.36
7.3.160.0080.00816.37
7.3.120.0040.01114.53
7.2.330.0120.01216.57
7.2.320.0110.00716.70
7.2.310.0030.01616.52
7.2.300.0130.00316.34
7.2.290.0060.00916.50
7.2.60.0070.00716.62
7.2.00.0060.00619.39
7.1.200.0040.00715.81
7.1.100.0070.01018.28
7.1.70.0030.00716.82
7.1.60.0110.01519.70
7.1.50.0040.01816.45
7.1.00.0030.09722.35
7.0.200.2840.00014.88
7.0.140.0030.09022.07
7.0.60.0130.07719.98
7.0.50.0030.05017.90
7.0.40.0100.06320.24
7.0.30.0200.04320.12
7.0.20.0130.04720.33
7.0.10.0130.06320.24
7.0.00.0030.04320.19
5.6.280.0000.07721.02
5.6.210.0100.08020.70
5.6.200.0100.07718.16
5.6.190.0070.04320.42
5.6.180.0230.04320.68
5.6.170.0130.04320.39
5.6.160.0070.06720.71
5.6.150.0000.08318.18
5.6.140.0070.07018.19
5.6.130.0030.07718.18
5.6.120.0000.04721.05
5.6.110.0170.07020.98
5.6.100.0030.09021.01
5.6.90.0200.07320.98
5.6.80.0300.05320.39
5.5.350.0330.07320.33
5.5.340.0100.07718.05
5.5.330.0070.06720.31
5.5.320.0100.05020.27
5.5.310.0470.03320.36
5.5.300.0100.07317.99
5.5.290.0070.07717.96
5.5.280.0100.08320.66
5.5.270.0130.07720.88
5.5.260.0030.08020.77
5.5.250.0070.05020.47
5.5.240.0000.03320.04
5.4.450.0800.05019.61
5.4.440.0230.07319.20
5.4.430.0130.06019.19
5.4.420.0200.05719.47
5.4.410.0070.05318.80
5.4.400.0200.06018.50
5.4.390.0270.05018.60
5.4.380.0070.05718.48
5.4.370.0430.04718.68
5.4.360.0330.04318.57
5.4.350.0060.03712.03
5.4.340.0080.03212.02
5.4.320.0070.03912.50
5.4.310.0040.04012.50
5.4.300.0070.03612.50
5.4.290.0040.04012.50
5.4.280.0080.03712.40
5.4.270.0060.03612.40
5.4.260.0060.03812.40
5.4.250.0050.03812.40
5.4.240.0080.03412.40
5.4.230.0070.03812.39
5.4.220.0050.03812.39
5.4.210.0050.03612.39
5.4.200.0050.03912.39
5.4.190.0050.03912.39
5.4.180.0070.03612.39
5.4.170.0070.03512.40
5.4.160.0090.03412.39
5.4.150.0050.03712.39
5.4.140.0060.05112.07
5.4.130.0040.03812.06
5.4.120.0060.03612.02
5.4.110.0050.03612.02
5.4.100.0050.03612.02
5.4.90.0030.04012.02
5.4.80.0040.03812.02
5.4.70.0060.03412.01
5.4.60.0070.03412.02
5.4.50.0050.03612.01
5.4.40.0060.03512.00
5.4.30.0060.03512.00
5.4.20.0050.03712.00
5.4.10.0040.03912.00
5.4.00.0090.03311.48
5.3.290.0060.04812.80
5.3.280.0050.04012.71
5.3.270.0060.04112.72
5.3.260.0070.03912.72
5.3.250.0060.04212.72
5.3.240.0080.04112.72
5.3.230.0060.04412.71
5.3.220.0040.03812.68
5.3.210.0060.03812.68
5.3.200.0020.04012.68
5.3.190.0060.04112.68
5.3.180.0050.03912.67
5.3.170.0040.03912.67
5.3.160.0090.03412.67
5.3.150.0050.05012.68
5.3.140.0070.04212.66
5.3.130.0050.04012.66
5.3.120.0050.04012.66
5.3.110.0070.03812.66
5.3.100.0080.03712.13
5.3.90.0060.04012.11
5.3.80.0060.04112.10
5.3.70.0080.03612.10
5.3.60.0060.03812.09
5.3.50.0050.03712.03
5.3.40.0090.03412.03
5.3.30.0030.03811.99
5.3.20.0040.03811.77
5.3.10.0050.03611.74
5.3.00.0050.03711.72
5.2.170.0040.0319.22
5.2.160.0060.0289.22
5.2.150.0070.0299.23
5.2.140.0030.0339.22
5.2.130.0040.0319.18
5.2.120.0040.0299.18
5.2.110.0030.0319.19
5.2.100.0060.0289.18
5.2.90.0040.0309.18
5.2.80.0060.0359.18
5.2.70.0040.0319.18
5.2.60.0040.0329.13
5.2.50.0050.0309.10
5.2.40.0030.0299.08
5.2.30.0050.0309.05
5.2.20.0050.0289.04
5.2.10.0050.0288.95
5.2.00.0090.0258.81
5.1.60.0060.0238.10
5.1.50.0040.0268.09
5.1.40.0030.0328.07
5.1.30.0020.0288.42
5.1.20.0050.0258.44
5.1.10.0030.0278.17
5.1.00.0060.0248.17
5.0.50.0020.0226.65
5.0.40.0030.0196.51
5.0.30.0020.0336.32
5.0.20.0040.0206.29
5.0.10.0060.0186.27
5.0.00.0050.0296.26
4.4.90.0020.0164.78
4.4.80.0020.0164.76
4.4.70.0020.0164.75
4.4.60.0030.0154.76
4.4.50.0020.0164.77
4.4.40.0050.0234.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0050.0134.84
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0040.0134.66
4.3.90.0030.0144.63
4.3.80.0010.0264.58
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0040.0234.54
4.3.30.0000.0183.30
4.3.20.0030.0153.28
4.3.10.0030.0163.24
4.3.00.0100.0237.11

preferences:
57.17 ms | 401 KiB | 5 Q