3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $a = array('foo'=>'bar'); $_SESSION['acc'] = $a; $_SESSION['foo'] = 'baz'; var_dump($_SESSION['acc']['foo']);

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)
8.3.60.0140.00716.38
8.3.50.0100.00716.48
8.3.40.0150.00618.97
8.3.30.0110.00418.69
8.3.20.0150.00018.76
8.3.10.0030.00620.53
8.3.00.0060.00319.02
8.2.180.0090.01218.42
8.2.170.0120.00322.96
8.2.160.0140.00320.39
8.2.150.0100.00624.18
8.2.140.0040.00424.66
8.2.130.0110.00326.16
8.2.120.0030.00619.14
8.2.110.0110.00020.93
8.2.100.0090.00317.86
8.2.90.0000.01019.51
8.2.80.0000.00719.15
8.2.70.0060.00317.61
8.2.60.0090.00017.93
8.2.50.0000.00918.07
8.2.40.0000.00918.28
8.2.30.0040.00418.05
8.2.20.0000.00817.79
8.2.10.0000.00817.64
8.2.00.0060.00317.81
8.1.280.0070.01125.92
8.1.270.0080.00024.66
8.1.260.0110.00726.35
8.1.250.0120.00628.09
8.1.240.0030.00722.64
8.1.230.0070.00421.05
8.1.220.0000.00817.78
8.1.210.0050.00518.97
8.1.200.0030.00617.48
8.1.190.0000.00817.63
8.1.180.0040.00418.10
8.1.170.0070.00018.91
8.1.160.0040.00418.82
8.1.150.0000.00718.63
8.1.140.0050.00217.54
8.1.130.0000.00817.91
8.1.120.0030.00317.48
8.1.110.0000.00817.51
8.1.100.0030.00417.50
8.1.90.0040.00417.39
8.1.80.0030.00417.40
8.1.70.0070.00017.41
8.1.60.0070.00017.44
8.1.50.0000.00817.52
8.1.40.0000.00817.54
8.1.30.0040.00417.70
8.1.20.0000.00817.68
8.1.10.0030.00517.55
8.1.00.0080.00017.45
8.0.300.0000.00720.03
8.0.290.0070.00016.75
8.0.280.0040.00418.51
8.0.270.0030.00517.24
8.0.260.0070.00016.90
8.0.250.0040.00416.86
8.0.240.0070.00016.85
8.0.230.0000.00716.85
8.0.220.0070.00016.88
8.0.210.0040.00416.97
8.0.200.0040.00416.89
8.0.190.0040.00417.01
8.0.180.0040.00416.85
8.0.170.0030.00516.90
8.0.160.0030.00316.91
8.0.150.0070.00016.82
8.0.140.0040.00416.93
8.0.130.0080.00013.20
8.0.120.0080.00016.82
8.0.110.0070.00016.93
8.0.100.0030.00616.88
8.0.90.0040.00416.91
8.0.80.0060.01016.92
8.0.70.0000.00916.78
8.0.60.0000.00816.90
8.0.50.0040.00416.88
8.0.30.0140.00617.11
8.0.20.0130.01017.31
8.0.10.0040.00417.08
8.0.00.0130.00816.95
7.4.330.0000.00513.04
7.4.320.0070.00016.63
7.4.300.0000.00616.55
7.4.290.0030.00316.57
7.4.280.0040.00416.62
7.4.270.0000.00916.54
7.4.260.0000.00513.29
7.4.250.0060.00316.59
7.4.240.0030.00316.63
7.4.230.0030.00316.54
7.4.220.0180.00616.50
7.4.210.0070.01116.57
7.4.200.0000.00716.68
7.4.190.0000.00716.33
7.4.160.0100.00716.44
7.4.150.0170.00016.45
7.4.140.0070.01316.49
7.4.130.0140.00916.52
7.4.120.0110.00816.52
7.4.110.0150.00416.64
7.4.100.0120.00916.54
7.4.90.0070.01016.63
7.4.80.0110.00619.39
7.4.70.0040.01116.76
7.4.60.0080.00816.66
7.4.50.0130.00016.19
7.4.40.0040.00816.28
7.4.30.0180.00316.41
7.4.00.0090.00615.21
7.3.330.0030.00313.17
7.3.320.0030.00313.13
7.3.310.0000.00716.10
7.3.300.0000.00716.21
7.3.290.0140.00016.19
7.3.280.0060.00916.19
7.3.270.0030.01416.47
7.3.260.0120.00916.39
7.3.250.0110.01016.32
7.3.240.0100.00716.63
7.3.230.0130.00316.43
7.3.210.0100.00716.36
7.3.200.0060.00916.46
7.3.190.0150.00616.58
7.3.180.0100.00716.38
7.3.170.0140.00416.59
7.3.160.0090.01316.41
7.3.120.0090.00614.98
7.2.330.0100.01416.63
7.2.320.0030.02116.57
7.2.310.0090.01516.52
7.2.300.0170.00616.40
7.2.290.0100.00716.36
7.2.60.0090.00616.91
7.2.00.0000.01219.41
7.1.200.0000.01315.79
7.1.100.0870.01016.51
7.1.70.0000.01017.07
7.1.60.0120.00919.40
7.1.50.0100.01416.71
7.1.00.0030.05022.42
7.0.200.1590.00314.94
7.0.140.0000.07722.12
7.0.120.0100.06321.98
7.0.60.0030.06019.84
7.0.50.0070.05017.66
7.0.40.0030.08717.73
7.0.30.0200.05317.73
7.0.20.0070.08017.73
7.0.10.0030.07017.68
7.0.00.0130.07017.69
5.6.280.0030.07321.04
5.6.210.0200.04320.60
5.6.200.0070.08318.20
5.6.190.0070.05018.12
5.6.180.0130.07718.21
5.6.170.0000.09018.08
5.6.160.0070.05718.21
5.6.150.0130.04018.21
5.6.140.0100.06018.15
5.6.130.0030.04318.21
5.6.120.0030.04318.22
5.6.110.0100.05318.21
5.6.100.0100.08018.18
5.6.90.0000.05318.15
5.6.80.0070.04317.55
5.6.70.0030.05017.60
5.6.60.0070.05017.52
5.6.50.0070.05017.59
5.6.40.0070.07017.48
5.6.30.0030.04317.51
5.6.20.0100.06017.59
5.6.10.0030.04317.50
5.6.00.0130.08017.57
5.5.350.0370.06320.45
5.5.340.0100.05017.99
5.5.330.0030.08017.96
5.5.320.0070.06317.98
5.5.310.0200.06317.98
5.5.300.0070.04717.91
5.5.290.0100.03717.87
5.5.280.0030.04017.91
5.5.270.0030.06017.97
5.5.260.0070.07317.95
5.5.250.0100.06017.76
5.5.240.0070.07317.39
5.5.230.0030.08317.35
5.5.220.0030.05017.39
5.5.210.0070.08017.36
5.5.200.0030.07317.27
5.5.190.0130.07317.32
5.5.180.0070.08017.30
5.5.160.0100.07317.37
5.5.150.0070.06017.30
5.5.140.0170.07017.36
5.5.130.0000.06017.27
5.5.120.0100.06717.23
5.5.110.0000.04717.34
5.5.100.0070.07717.28
5.5.90.0070.04017.28
5.5.80.0000.07317.21
5.5.70.0100.07317.18
5.5.60.0100.05017.19
5.5.50.0000.07317.21
5.5.40.0030.03717.21
5.5.30.0030.04017.25
5.5.20.0000.04017.19
5.5.10.0030.03717.19
5.5.00.0070.03317.20
5.4.450.0070.04019.37
5.4.440.0030.04719.34
5.4.430.0070.04719.31
5.4.420.0030.05719.21
5.4.410.0070.04019.31
5.4.400.0070.07718.99
5.4.390.0170.04318.82
5.4.380.0100.06719.04
5.4.370.0130.06318.82
5.4.360.0100.07019.01
5.4.350.0130.04319.11
5.4.340.0100.07719.12
5.4.320.0100.07319.04
5.4.310.0170.06718.99
5.4.300.0030.06718.98
5.4.290.0030.08319.01
5.4.280.0070.06019.04
5.4.270.0070.04019.13
5.4.260.0030.08319.12
5.4.250.0100.03719.04
5.4.240.0100.04718.98
5.4.230.0130.07018.96
5.4.220.0070.08019.00
5.4.210.0100.05318.98
5.4.200.0070.05318.82
5.4.190.0070.03318.88
5.4.180.0000.04018.95
5.4.170.0000.04319.08
5.4.160.0030.03718.97
5.4.150.0070.03319.05
5.4.140.0000.03716.33
5.4.130.0000.04016.16
5.4.120.0100.03016.30
5.4.110.0000.03716.25
5.4.100.0000.04016.27
5.4.90.0230.02016.41
5.4.80.0030.03316.31
5.4.70.0000.03716.24
5.4.60.0000.03716.14
5.4.50.0030.03716.34
5.4.40.0100.03716.44
5.4.30.0130.03316.25
5.4.20.0000.03716.25
5.4.10.0070.03016.14
5.4.00.0030.03715.73
5.3.290.0130.06314.58
5.3.280.0030.07714.54
5.3.270.0030.03714.58
5.3.260.0000.04014.52
5.3.250.0030.03714.54
5.3.240.0070.04014.56
5.3.230.0070.03314.54
5.3.220.0070.03314.38
5.3.210.0030.03714.54
5.3.200.0070.03314.55
5.3.190.0100.03014.52
5.3.180.0000.03714.39
5.3.170.0000.04314.52
5.3.160.0000.04014.50
5.3.150.0070.03314.38
5.3.140.0030.03314.49
5.3.130.0000.04014.53
5.3.120.0000.04014.52
5.3.110.0030.03714.32
5.3.100.0000.03713.85
5.3.90.0000.04013.95
5.3.80.0070.03313.83
5.3.70.0000.04313.92
5.3.60.0030.04013.93
5.3.50.0070.03013.77
5.3.40.0000.04013.71
5.3.30.0030.03313.99
5.3.20.0000.04013.65
5.3.10.0070.03013.56
5.3.00.0070.03713.62
5.2.170.0000.03011.18
5.2.160.0000.03011.13
5.2.150.0030.03011.13
5.2.140.0070.02711.13
5.2.130.0030.02710.98
5.2.120.0070.03310.88
5.2.110.0030.02711.05
5.2.100.0030.02711.05
5.2.90.0030.03010.88
5.2.80.0070.05711.08
5.2.70.0000.03011.09
5.2.60.0070.06011.02
5.2.50.0030.03010.97
5.2.40.0030.03710.74
5.2.30.0070.03710.92
5.2.20.0000.06710.91
5.2.10.0030.05710.89
5.2.00.0000.04010.75
5.1.60.0030.0409.92
5.1.50.0070.0539.82
5.1.40.0030.03310.04
5.1.30.0030.06010.36
5.1.20.0000.06010.20
5.1.10.0000.04010.14
5.1.00.0100.05010.13
5.0.50.0000.0508.58
5.0.40.0030.0438.38
5.0.30.0100.0578.14
5.0.20.0070.0408.16
5.0.10.0030.0478.21
5.0.00.0030.0508.14
4.4.90.0030.0137.79
4.4.80.0030.0277.79
4.4.70.0000.0207.79
4.4.60.0070.0337.79
4.4.50.0000.0437.79
4.4.40.0000.0377.79
4.4.30.0000.0177.79
4.4.20.0070.0307.79
4.4.10.0070.0337.79
4.4.00.0070.0477.79
4.3.110.0000.0377.79
4.3.100.0000.0377.79
4.3.90.0030.0307.79
4.3.80.0030.0377.79
4.3.70.0000.0377.79
4.3.60.0000.0337.79
4.3.50.0030.0277.79
4.3.40.0030.0437.79
4.3.30.0000.0377.79
4.3.20.0030.0237.79
4.3.10.0030.0177.79
4.3.00.0000.0207.79

preferences:
41.51 ms | 401 KiB | 5 Q