3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $session = &$_SESSION; $session['test'] = 1; session_regenerate_id(false); $session['test'] = 2; // dumps false, should be true var_dump($session['test'] === $_SESSION['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)
8.3.40.0000.01418.96
8.3.30.0070.00719.12
8.3.20.0000.00820.43
8.3.10.0080.00023.65
8.3.00.0000.00819.19
8.2.170.0100.01022.96
8.2.160.0140.00022.13
8.2.150.0150.00024.18
8.2.140.0040.01424.66
8.2.130.0080.00026.16
8.2.120.0040.00421.16
8.2.110.0050.00521.04
8.2.100.0060.00617.91
8.2.90.0050.00317.97
8.2.80.0000.00918.34
8.2.70.0040.00417.63
8.2.60.0040.00417.75
8.2.50.0040.00418.10
8.2.40.0000.00821.13
8.2.30.0000.00719.38
8.2.20.0000.00817.73
8.2.10.0040.00418.25
8.2.00.0040.00418.13
8.1.270.0000.00823.99
8.1.260.0000.00926.35
8.1.250.0080.00028.09
8.1.240.0100.00023.93
8.1.230.0090.00322.82
8.1.220.0040.00417.78
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0080.00018.65
8.1.160.0040.00419.09
8.1.150.0070.00018.97
8.1.140.0040.00417.34
8.1.130.0030.00320.19
8.1.120.0070.00017.41
8.1.110.0000.00717.47
8.1.100.0070.00017.36
8.1.90.0000.00717.52
8.1.80.0000.00817.52
8.1.70.0040.00417.42
8.1.60.0080.00017.63
8.1.50.0070.00317.61
8.1.40.0040.00417.48
8.1.30.0030.00517.63
8.1.20.0030.00617.59
8.1.10.0040.00417.60
8.1.00.0090.00017.53
8.0.300.0000.00820.02
8.0.290.0090.00016.75
8.0.280.0000.00718.38
8.0.270.0070.00017.39
8.0.260.0030.00318.50
8.0.250.0000.00817.02
8.0.240.0030.00317.04
8.0.230.0070.00016.93
8.0.220.0000.00716.96
8.0.210.0000.00816.80
8.0.200.0030.00316.96
8.0.190.0000.00816.85
8.0.180.0000.00716.96
8.0.170.0000.00816.94
8.0.160.0040.00417.03
8.0.150.0050.00216.97
8.0.140.0080.00016.84
8.0.130.0040.00413.38
8.0.120.0040.00416.85
8.0.110.0000.00716.88
8.0.100.0000.00716.75
8.0.90.0000.00716.97
8.0.80.0140.00716.88
8.0.70.0040.00416.95
8.0.60.0050.00316.93
8.0.50.0070.00016.92
8.0.30.0100.00917.19
8.0.20.0080.01117.40
8.0.10.0080.00016.85
8.0.00.0090.00816.68
7.4.330.0060.00015.15
7.4.320.0000.00616.56
7.4.300.0000.00816.55
7.4.290.0090.00316.50
7.4.280.0030.00616.56
7.4.270.0030.00316.66
7.4.260.0000.00716.59
7.4.250.0070.00016.47
7.4.240.0020.00616.59
7.4.230.0000.00716.70
7.4.220.0110.00716.71
7.4.210.0050.01016.65
7.4.200.0000.00716.63
7.4.160.0030.01616.51
7.4.150.0100.01317.40
7.4.140.0170.00817.86
7.4.130.0090.01116.64
7.4.120.0060.01416.49
7.4.110.0110.01216.58
7.4.100.0160.00316.58
7.4.90.0110.00616.38
7.4.80.0070.01319.39
7.4.70.0110.01116.57
7.4.60.0070.00816.64
7.4.50.0000.00616.48
7.4.40.0070.01016.18
7.4.30.0030.01516.43
7.4.20.0070.01416.43
7.4.10.0110.00815.74
7.4.00.0100.00715.58
7.3.330.0040.00413.18
7.3.320.0000.00512.94
7.3.310.0040.00416.23
7.3.300.0030.00316.26
7.3.290.0000.00716.21
7.3.280.0090.00916.26
7.3.270.0070.01017.40
7.3.260.0150.00716.52
7.3.250.0110.00816.38
7.3.240.0000.01816.28
7.3.230.0130.01016.42
7.3.210.0180.00616.44
7.3.200.0060.01516.45
7.3.190.0070.00716.30
7.3.180.0130.00716.27
7.3.170.0110.00616.31
7.3.160.0120.00616.43
7.3.150.0090.01316.38
7.3.140.0100.01116.58
7.3.130.0100.00715.52
7.3.120.0100.00815.43
7.3.110.0060.01015.64
7.3.100.0060.01115.40
7.3.90.0120.00415.30
7.3.80.0100.00815.49
7.3.70.0050.01215.44
7.3.60.0050.01115.36
7.3.50.0090.00715.35
7.3.40.0040.01115.37
7.3.30.0110.00615.20
7.3.20.0150.00915.58
7.3.10.0180.00715.61
7.3.00.0160.01115.60
7.2.330.0120.00916.55
7.2.320.0030.01816.38
7.2.310.0070.01116.72
7.2.300.0140.00316.38
7.2.290.0120.00616.66
7.2.280.0100.01416.35
7.2.270.0100.01216.48
7.2.260.0130.00615.63
7.2.250.0080.01215.73
7.2.240.0080.00915.68
7.2.230.0090.01015.86
7.2.220.0070.01015.47
7.2.210.0090.01015.60
7.2.200.0100.00915.50
7.2.190.0100.00715.56
7.2.180.0070.00915.63
7.2.170.0040.01215.61
7.2.160.0060.01215.53
7.2.150.0140.01015.84
7.2.140.0150.00815.86
7.2.130.0120.01015.74
7.2.120.0180.00515.75
7.2.110.0180.00715.83
7.2.100.0170.01015.86
7.2.90.0170.01015.87
7.2.80.0180.00815.73
7.2.70.0120.01015.82
7.2.60.0140.00716.03
7.2.50.0150.00815.84
7.2.40.0160.01015.88
7.2.30.0250.00615.75
7.2.20.0150.01116.45
7.2.10.0150.00616.36
7.2.00.0170.01016.40
7.1.330.0130.00715.05
7.1.320.0130.00714.66
7.1.310.0110.00814.79
7.1.300.0120.00814.64
7.1.290.0120.00714.60
7.1.280.0100.00714.58
7.1.270.0150.01014.49
7.1.260.0190.00614.55
7.1.250.0190.00714.49
7.1.240.0190.00814.42
7.1.230.0200.00514.49
7.1.220.0200.00714.56
7.1.210.0130.01014.56
7.1.200.0140.01014.78
7.1.190.0200.00814.50
7.1.180.0230.00714.55
7.1.170.0190.00814.60
7.1.160.0160.00714.59
7.1.150.0190.00914.51
7.1.140.0180.00915.23
7.1.130.0160.00615.30
7.1.120.0170.00915.28
7.1.110.0180.00715.03
7.1.100.0160.00715.57
7.1.90.0150.00815.34
7.1.80.0140.01115.63
7.1.70.0150.00915.47
7.1.60.0250.00820.00
7.1.50.0210.01119.83
7.1.40.0210.01220.24
7.1.30.0190.01220.17
7.1.20.0230.00920.21
7.1.10.0160.01014.73
7.1.00.0150.01815.83
7.0.330.0180.00714.14
7.0.320.0150.01114.21
7.0.310.0210.00914.19
7.0.300.0210.00614.15
7.0.290.0160.00714.24
7.0.280.0220.00714.12
7.0.270.0140.01114.55
7.0.260.0180.00614.85
7.0.250.0190.00614.45
7.0.240.0150.00814.94
7.0.230.0170.00614.90
7.0.220.0140.00915.25
7.0.210.0140.00914.96
7.0.200.0160.00815.19
7.0.190.0180.00814.84
7.0.180.0180.00814.79
7.0.170.0370.01014.86
7.0.160.0210.00714.79
7.0.150.0200.00714.84
7.0.140.0170.01014.83
7.0.130.0180.00714.89
7.0.120.0160.00814.87
7.0.110.0140.01615.37
7.0.100.0180.01615.44
7.0.90.0170.01815.15
7.0.80.0180.01815.50
7.0.70.0200.01715.41
7.0.60.0190.01615.37
7.0.50.0150.01815.57
7.0.40.0190.02015.54
7.0.30.0170.01815.55
7.0.20.0160.01815.46
7.0.10.0160.01815.47
7.0.00.0190.01515.47
5.6.400.0060.01114.85
5.6.390.0130.00714.98
5.6.380.0120.00814.87
5.6.370.0110.00815.00
5.6.360.0080.01315.06
5.6.350.0110.00815.06
5.6.340.0130.00814.80
5.6.330.0120.01114.85
5.6.320.0130.00915.04
5.6.310.0100.00815.01
5.6.300.0120.02816.52
5.6.290.0140.02716.57
5.6.280.0090.03317.20
5.6.270.0120.02616.54
5.6.260.0150.02416.65
5.6.250.0130.02917.14
5.6.240.0120.03417.03
5.6.230.0120.03317.16
5.6.220.0110.02917.08
5.6.210.0120.03017.00
5.6.200.0100.03217.16
5.6.190.0120.03117.18
5.6.180.0120.03017.10
5.6.170.0110.02917.08
5.6.160.0140.03017.18
5.6.150.0130.02917.19
5.6.140.0110.03117.19
5.6.130.0140.02917.13
5.6.120.0130.03217.15
5.6.110.0100.03517.13
5.6.100.0120.03117.07
5.6.90.0120.03217.08
5.6.80.0130.03016.91
5.6.70.0110.03016.86
5.6.60.0080.03416.82
5.6.50.0120.02916.84
5.6.40.0130.02816.84
5.6.30.0110.03216.85
5.6.20.0100.03416.85
5.6.10.0110.03216.91
5.6.00.0120.03016.81
5.5.380.0150.03016.20
5.5.370.0090.03416.18
5.5.360.0140.03416.24
5.5.350.0130.03216.15
5.5.340.0130.03016.34
5.5.330.0150.03116.35
5.5.320.0120.03116.47
5.5.310.0120.02616.26
5.5.300.0110.03216.31
5.5.290.0130.03516.39
5.5.280.0150.03116.32
5.5.270.0130.03316.22
5.5.260.0110.03516.29
5.5.250.0120.03416.19
5.5.240.0160.02816.04
5.5.230.0120.03016.03
5.5.220.0140.02816.01
5.5.210.0140.02816.07
5.5.200.0140.02916.03
5.5.190.0140.03116.01
5.5.180.0120.03016.04
5.5.170.0110.01114.76
5.5.160.0130.02916.02
5.5.150.0110.03016.07
5.5.140.0140.02816.06
5.5.130.0140.02616.00
5.5.120.0120.02716.05
5.5.110.0150.02916.01
5.5.100.0140.02816.03
5.5.90.0130.03015.94
5.5.80.0110.03015.95
5.5.70.0120.02915.99
5.5.60.0130.02816.08
5.5.50.0130.02915.94
5.5.40.0140.02915.90
5.5.30.0110.03115.98
5.5.20.0110.03315.98
5.5.10.0130.02916.03
5.5.00.0150.02715.87
5.4.450.0090.03414.88
5.4.440.0080.03414.88
5.4.430.0110.03214.85
5.4.420.0140.02814.89
5.4.410.0110.02214.87
5.4.400.0140.02614.75
5.4.390.0100.03014.70
5.4.380.0100.02714.72
5.4.370.0100.03114.76
5.4.360.0090.03014.67
5.4.350.0110.02914.77
5.4.340.0100.02614.68
5.4.330.0070.00812.22
5.4.320.0100.03014.73
5.4.310.0090.02914.72
5.4.300.0100.02914.70
5.4.290.0100.02614.68
5.4.280.0080.03214.77
5.4.270.0130.02814.69
5.4.260.0120.03014.70
5.4.250.0090.02914.74
5.4.240.0100.02814.69
5.4.230.0100.02514.72
5.4.220.0090.02714.70
5.4.210.0130.02414.72
5.4.200.0100.02914.73
5.4.190.0090.02914.68
5.4.180.0100.02514.71
5.4.170.0090.02814.68
5.4.160.0130.02714.69
5.4.150.0110.03114.68
5.4.140.0100.03013.76
5.4.130.0110.02713.78
5.4.120.0100.02813.80
5.4.110.0080.02813.81
5.4.100.0110.02513.87
5.4.90.0090.03013.84
5.4.80.0100.02913.76
5.4.70.0090.02813.84
5.4.60.0100.02713.79
5.4.50.0110.02413.76
5.4.40.0120.02513.77
5.4.30.0100.02613.79
5.4.20.0090.02513.83
5.4.10.0090.02613.77
5.4.00.0140.02413.61
5.3.290.0060.01512.83
5.3.280.0130.00512.79
5.3.270.0150.00612.76
5.3.260.0130.00612.81
5.3.250.0130.00512.83
5.3.240.0090.00912.75
5.3.230.0090.01012.78
5.3.220.0110.00712.80
5.3.210.0080.00812.87
5.3.200.0150.00412.80
5.3.190.0110.00512.87
5.3.180.0110.00713.04
5.3.170.0140.00512.92
5.3.160.0170.00112.96
5.3.150.0150.00313.03
5.3.140.0140.00612.86
5.3.130.0120.00612.87
5.3.120.0090.00912.89
5.3.110.0120.00813.00
5.3.100.0120.00912.95
5.3.90.0110.00812.89
5.3.80.0140.00312.77
5.3.70.0130.00412.91
5.3.60.0130.00712.76
5.3.50.0080.01112.81
5.3.40.0120.00712.86
5.3.30.0090.01012.82
5.3.20.0130.00512.78
5.3.10.0110.01012.72
5.3.00.0070.01312.71
5.2.170.0080.00612.34
5.2.160.0070.00712.36
5.2.150.0060.01012.34
5.2.140.0050.00912.37
5.2.130.0070.00812.32
5.2.120.0080.00612.36
5.2.110.0090.00712.29
5.2.100.0080.00812.37
5.2.90.0080.00712.27
5.2.80.0110.00412.21
5.2.70.0070.00612.24
5.2.60.0090.00512.23
5.2.50.0080.00712.23
5.2.40.0080.00612.29
5.2.30.0050.00912.27
5.2.20.0110.00312.34
5.2.10.0080.00712.20
5.2.00.0110.00512.15
5.1.60.0050.00712.04
5.1.50.0040.00912.04
5.1.40.0060.00712.04
5.1.30.0040.00812.04
5.1.20.0060.00712.04
5.1.10.0050.00712.04
5.1.00.0080.00412.04
5.0.50.0050.00612.04
5.0.40.0080.00612.04
5.0.30.0080.00512.04
5.0.20.0070.00312.04
5.0.10.0070.00312.04
5.0.00.0050.00612.04
4.4.90.0060.00212.04
4.4.80.0030.00712.04
4.4.70.0070.00212.04
4.4.60.0050.00412.04
4.4.50.0070.00312.04
4.4.40.0080.00012.04
4.4.30.0060.00212.04
4.4.20.0060.00112.04
4.4.10.0020.00512.04
4.4.00.0020.00612.04
4.3.110.0010.00612.04
4.3.100.0020.00712.04
4.3.90.0050.00212.04
4.3.80.0040.00412.04
4.3.70.0030.00612.04
4.3.60.0080.00012.04
4.3.50.0060.00312.04
4.3.40.0070.00212.04
4.3.30.0050.00212.04
4.3.20.0040.00312.04
4.3.10.0030.00312.04
4.3.00.0050.00412.04

preferences:
66.09 ms | 400 KiB | 5 Q