3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('display_errors', true); ini_set('error_reporting', -1); class Test { public function __construct() { session_start(); $_SESSION['construct'] = true; var_dump($_SESSION); echo "constructor<br/>"; register_shutdown_function(function() { $_SESSION['shutdown'] = true; unset($_SESSION['construct']); echo "shutdown<br/>"; }); } public function __destruct() { session_write_close(); echo "destructor<br/>"; } } $test = new Test;

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)
8.3.70.0090.01216.58
8.3.60.0090.01216.61
8.3.50.0150.00722.01
8.3.40.0060.00918.79
8.3.30.0040.01118.94
8.3.20.0000.00820.29
8.3.10.0000.00823.61
8.3.00.0000.00820.93
8.2.180.0120.00918.66
8.2.170.0030.01522.96
8.2.160.0100.01020.38
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00419.36
8.2.110.0060.00322.02
8.2.100.0070.00420.39
8.2.90.0020.00519.17
8.2.80.0000.00817.97
8.2.70.0070.00317.75
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0100.00318.16
8.2.30.0100.00018.27
8.2.20.0040.00417.73
8.2.10.0040.00418.20
8.2.00.0090.00019.61
8.1.280.0040.01125.92
8.1.270.0060.00324.04
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00022.22
8.1.230.0090.00319.13
8.1.220.0000.00817.74
8.1.210.0000.01018.77
8.1.200.0060.00317.35
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0040.00418.63
8.1.160.0040.00421.96
8.1.150.0040.00418.63
8.1.140.0040.00417.53
8.1.130.0040.00417.81
8.1.120.0000.00717.46
8.1.110.0080.00017.49
8.1.100.0000.00817.38
8.1.90.0000.00917.45
8.1.80.0040.00417.43
8.1.70.0040.00417.42
8.1.60.0030.00617.50
8.1.50.0030.00617.55
8.1.40.0030.00517.61
8.1.30.0040.00417.57
8.1.20.0030.00517.61
8.1.10.0030.00517.61
8.1.00.0050.00317.43
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0070.00018.47
8.0.270.0000.00717.28
8.0.260.0000.00617.20
8.0.250.0000.00717.06
8.0.240.0030.00317.01
8.0.230.0000.00716.86
8.0.220.0040.00416.80
8.0.210.0030.00316.90
8.0.200.0030.00316.96
8.0.190.0000.00716.94
8.0.180.0060.00616.90
8.0.170.0070.00016.88
8.0.160.0050.00316.75
8.0.150.0040.00416.98
8.0.140.0050.00316.85
8.0.130.0030.00313.36
8.0.120.0080.00016.76
8.0.110.0040.00416.94
8.0.100.0070.00016.89
8.0.90.0040.00416.95
8.0.80.0040.01816.88
8.0.70.0000.00716.89
8.0.60.0030.00316.94
8.0.50.0040.00416.87
8.0.30.0100.00916.90
8.0.20.0110.01517.40
8.0.10.0040.00416.83
8.0.00.0100.01016.76
7.4.330.0000.00515.02
7.4.320.0070.00016.64
7.4.300.0060.00016.57
7.4.290.0030.00316.61
7.4.280.0060.00316.43
7.4.270.0040.00416.54
7.4.260.0000.00716.55
7.4.250.0000.00716.49
7.4.240.0040.00416.58
7.4.230.0030.00316.57
7.4.220.0170.00716.68
7.4.210.0060.00916.48
7.4.200.0050.00216.41
7.4.160.0120.01216.59
7.4.150.0070.01317.40
7.4.140.0060.01317.86
7.4.130.0100.00716.48
7.4.120.0070.01016.47
7.4.110.0060.01216.66
7.4.100.0240.00016.67
7.4.90.0090.00916.38
7.4.80.0160.00919.39
7.4.70.0110.00616.41
7.4.60.0030.01516.57
7.4.50.0000.00416.41
7.4.40.0120.01216.44
7.4.30.0060.00916.44
7.4.00.0070.00714.55
7.3.330.0050.00013.35
7.3.320.0000.00513.38
7.3.310.0030.00316.41
7.3.300.0070.00016.35
7.3.290.0150.00016.39
7.3.280.0120.00616.40
7.3.270.0130.00317.40
7.3.260.0170.00516.56
7.3.250.0100.01316.54
7.3.240.0110.00716.52
7.3.230.0070.01016.39
7.3.210.0140.00916.37
7.3.200.0090.01319.39
7.3.190.0070.01116.63
7.3.180.0060.00916.46
7.3.170.0140.00316.48
7.3.160.0090.00916.45
7.3.120.0040.01214.84
7.3.10.0130.00716.41
7.3.00.0110.00616.49
7.2.330.0090.00916.80
7.2.320.0080.00816.69
7.2.310.0090.00916.83
7.2.300.0120.00616.48
7.2.290.0090.00616.52
7.2.130.0100.00716.63
7.2.120.0140.00416.60
7.2.110.0120.01016.56
7.2.100.0100.01016.71
7.2.90.0100.01216.61
7.2.80.0110.00816.65
7.2.70.0130.00616.65
7.2.60.0110.00916.70
7.2.50.0150.01017.04
7.2.40.0080.01016.61
7.2.30.0130.00516.79
7.2.20.0110.00916.71
7.2.10.0120.00916.76
7.2.00.0090.00817.70
7.1.250.0070.00815.57
7.1.100.0150.01118.29
7.1.70.0040.00417.23
7.1.60.0120.01219.70
7.1.50.0170.00717.03
7.1.00.0070.07022.31
7.0.200.0000.00716.77
7.0.140.0070.07021.97
7.0.100.0030.04019.97
7.0.90.0030.06720.01
7.0.80.0030.06019.93
7.0.70.0130.06719.91
7.0.60.0070.07719.89
7.0.50.0500.08720.26
7.0.40.0070.08020.07
7.0.30.0000.07720.09
7.0.20.0030.06020.08
7.0.10.0030.09320.08
7.0.00.0070.06319.99
5.6.280.0070.07020.82
5.6.250.0170.03320.68
5.6.240.0070.04020.71
5.6.230.0030.07020.65
5.6.220.0030.05020.69
5.6.210.0070.08020.58
5.6.200.0030.08021.05
5.6.190.0070.03321.14
5.6.180.0030.07721.09
5.6.170.0170.07021.19
5.6.160.0070.04721.10
5.6.150.0070.08321.04
5.6.140.0100.08021.01
5.6.130.0200.07321.09
5.6.120.0100.06720.95
5.6.110.0200.07721.09
5.6.100.0130.08020.94
5.6.90.0030.08721.05
5.6.80.0130.07320.50
5.6.70.0100.08320.57
5.6.60.0070.07720.45
5.6.50.0170.07320.41
5.6.40.0070.05020.47
5.6.30.0070.06320.46
5.6.20.0100.04020.48
5.6.10.0070.08020.25
5.6.00.0070.07720.46
5.5.380.0070.04020.37
5.5.370.0030.06020.47
5.5.360.0100.08020.46
5.5.350.0030.05020.47
5.5.340.0070.08320.80
5.5.330.0100.07720.81
5.5.320.0070.08320.82
5.5.310.0130.08320.81
5.5.300.0070.08020.80
5.5.290.0100.08020.96
5.5.280.0100.03720.77
5.5.270.0070.08020.86
5.5.260.0130.05020.80
5.5.250.0100.04020.69
5.5.240.0100.07720.31
5.5.230.0130.05020.30
5.5.220.0170.07320.21
5.5.210.0070.05720.12
5.5.200.0130.06720.26
5.5.190.0100.04320.16
5.5.180.0100.07720.20
5.5.160.0170.06720.19
5.5.150.0000.05020.22
5.5.140.0100.08020.15
5.5.130.0130.05720.19
5.5.120.0070.07020.26
5.5.110.0030.05320.27
5.5.100.0070.07720.18
5.5.90.0070.08020.11
5.5.80.0100.07320.18
5.5.70.0000.07720.07
5.5.60.0100.08020.10
5.5.50.0100.07720.07
5.5.40.0130.06720.15
5.5.30.0130.03720.17
5.5.20.0130.07020.11
5.5.10.0030.05319.98
5.5.00.0100.04720.12
5.4.450.0070.05019.50
5.4.440.0070.07719.20
5.4.430.0100.08019.43
5.4.420.0030.06719.48
5.4.410.0100.06019.32
5.4.400.0000.08319.17
5.4.390.0070.06719.05
5.4.380.0100.07019.21
5.4.370.0070.07019.14
5.4.360.0070.04718.95
5.4.350.0100.07019.04
5.4.340.0070.07318.90
5.4.320.0000.08019.14
5.4.310.0100.06719.14
5.4.300.0030.04718.90
5.4.290.0030.08319.03
5.4.280.0030.08019.20
5.4.270.0030.07319.13
5.4.260.0030.06718.90
5.4.250.0030.08318.85
5.4.240.0170.05719.24
5.4.230.0100.07318.91
5.4.220.0030.06319.06
5.4.210.0070.06718.84
5.4.200.0100.06319.03
5.4.190.0170.07319.22
5.4.180.0070.04718.89
5.4.170.0030.06019.04
5.4.160.0130.04019.01
5.4.150.0130.07019.19
5.4.140.0130.07316.28
5.4.130.0100.06316.41
5.4.120.0030.05716.32
5.4.110.0030.03716.45
5.4.100.0100.06716.57
5.4.90.0070.07016.55
5.4.80.0070.07016.51
5.4.70.0100.06716.52
5.4.60.0070.07316.48
5.4.50.0030.07016.34
5.4.40.0070.07716.46
5.4.30.0130.07016.47
5.4.20.0000.04716.48
5.4.10.0030.07716.36
5.4.00.0100.04015.80
5.3.290.0030.04314.68
5.3.280.0030.07014.73
5.3.270.0100.06014.67
5.3.260.0070.07314.68
5.3.250.0030.05314.75
5.3.240.0100.07314.68
5.3.230.0070.06014.67
5.3.220.0070.07314.53
5.3.210.0000.05014.66
5.3.200.0100.07014.67
5.3.190.0070.07314.63
5.3.180.0070.04314.52
5.3.170.0100.03714.69
5.3.160.0000.04714.50
5.3.150.0070.04314.50
5.3.140.0100.04014.59
5.3.130.0070.06714.59
5.3.120.0130.07014.69
5.3.110.0100.06014.62
5.3.100.0030.07714.14
5.3.90.0030.08014.05
5.3.80.0070.06314.15
5.3.70.0170.05314.12
5.3.60.0100.07014.07
5.3.50.0100.07013.98
5.3.40.0030.06714.02
5.3.30.0070.07313.95
5.3.20.0100.06313.71
5.3.10.0000.06013.59
5.3.00.0100.06713.77
5.2.170.0070.04711.04
5.2.160.0030.04711.21
5.2.150.0070.06011.08
5.2.140.0070.04011.28
5.2.130.0030.07011.04
5.2.120.0070.05711.17
5.2.110.0000.07011.24
5.2.100.0070.05311.10
5.2.90.0100.05311.23
5.2.80.0100.06011.11
5.2.70.0070.06011.20
5.2.60.0070.05711.12
5.2.50.0130.04011.08
5.2.40.0070.05711.04
5.2.30.0170.04711.07
5.2.20.0130.05011.05
5.2.10.0070.03310.98
5.2.00.0030.04010.80
5.1.60.0030.0539.83
5.1.50.0070.05310.11
5.1.40.0030.0579.81
5.1.30.0130.04710.29
5.1.20.0070.05710.46
5.1.10.0070.05310.18
5.1.00.0070.05010.17
5.0.50.0030.0479.30
5.0.40.0100.0379.30
5.0.30.0070.0579.30
5.0.20.0070.0379.30
5.0.10.0030.0439.30
5.0.00.0070.0539.30
4.4.90.0100.0309.30
4.4.80.0070.0309.30
4.4.70.0070.0309.30
4.4.60.0000.0379.30
4.4.50.0030.0239.30
4.4.40.0070.0479.30
4.4.30.0030.0339.30
4.4.20.0000.0379.30
4.4.10.0030.0379.30
4.4.00.0030.0509.30
4.3.110.0000.0379.30
4.3.100.0000.0379.30
4.3.90.0000.0379.30
4.3.80.0000.0609.30
4.3.70.0000.0379.30
4.3.60.0070.0309.30
4.3.50.0000.0339.30
4.3.40.0000.0509.30
4.3.30.0070.0339.30
4.3.20.0030.0339.30
4.3.10.0030.0339.30
4.3.00.0030.0339.30

preferences:
42.84 ms | 401 KiB | 5 Q