3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); $path = ini_get('session.save_path') . '/sess_'; session_start(); // starts session & creates and locks file var_dump( is_file($path . session_id()) ); // -> TRUE session_regenerate_id(); // starts new session, but file is not create! var_dump( is_file($path . session_id()) ); // -> FALSE

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)
8.3.70.0000.01518.30
8.3.60.0090.01218.43
8.3.50.0090.00821.15
8.3.40.0120.00618.83
8.3.30.0110.00420.29
8.3.20.0040.00418.85
8.3.10.0040.00420.82
8.3.00.0030.00623.63
8.2.180.0060.00918.29
8.2.170.0070.01022.96
8.2.160.0100.00720.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.95
8.2.110.0060.00320.46
8.2.100.0120.00017.97
8.2.90.0080.00019.21
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0090.00319.59
8.2.20.0040.00417.60
8.2.10.0000.00817.64
8.2.00.0050.00517.77
8.1.280.0110.00425.92
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0100.00020.65
8.1.230.0060.00617.51
8.1.220.0040.00417.76
8.1.210.0030.00518.77
8.1.200.0040.00417.38
8.1.190.0080.00017.51
8.1.180.0030.00618.10
8.1.170.0040.00418.66
8.1.160.0040.00418.85
8.1.150.0030.00618.71
8.1.140.0080.00017.44
8.1.130.0000.00717.77
8.1.120.0040.00317.49
8.1.110.0000.00817.54
8.1.100.0040.00417.54
8.1.90.0040.00417.45
8.1.80.0000.00717.38
8.1.70.0030.00317.42
8.1.60.0040.00417.54
8.1.50.0050.00317.44
8.1.40.0030.00617.55
8.1.30.0040.00417.67
8.1.20.0050.00317.73
8.1.10.0000.00817.52
8.1.00.0050.00317.56
8.0.300.0000.00818.77
8.0.290.0040.00416.88
8.0.280.0070.00018.59
8.0.270.0030.00617.36
8.0.260.0030.00317.03
8.0.250.0040.00417.19
8.0.240.0040.00417.02
8.0.230.0030.00316.99
8.0.220.0070.00017.02
8.0.210.0030.00717.02
8.0.200.0000.00817.17
8.0.190.0030.00417.14
8.0.180.0000.00717.13
8.0.170.0040.00416.94
8.0.160.0050.00317.02
8.0.150.0040.00416.89
8.0.140.0050.00317.01
8.0.130.0060.00013.48
8.0.120.0040.00417.05
8.0.110.0070.00016.95
8.0.100.0000.00716.93
8.0.90.0000.00717.08
8.0.80.0060.00917.04
8.0.70.0030.00316.93
8.0.60.0000.00816.95
8.0.50.0000.00716.85
8.0.30.0070.01117.22
8.0.20.0110.00917.40
8.0.10.0040.00416.99
8.0.00.0050.01516.71
7.4.330.0050.00016.88
7.4.320.0070.00016.62
7.4.300.0000.00616.38
7.4.290.0030.00616.47
7.4.280.0000.00716.41
7.4.270.0040.00416.52
7.4.260.0030.00313.33
7.4.250.0050.00316.52
7.4.240.0000.00716.61
7.4.230.0040.00416.65
7.4.220.0160.01016.40
7.4.210.0070.00916.45
7.4.200.0070.00016.64
7.4.190.0030.00316.37
7.4.160.0080.00816.63
7.4.150.0110.00717.40
7.4.140.0070.01317.86
7.4.130.0080.01216.48
7.4.120.0080.00816.44
7.4.110.0090.00916.58
7.4.100.0140.00716.45
7.4.90.0070.01016.54
7.4.80.0060.01219.39
7.4.70.0040.01416.44
7.4.60.0130.00316.57
7.4.50.0030.00616.52
7.4.40.0060.00922.77
7.4.30.0090.01216.32
7.4.10.0120.00615.04
7.4.00.0030.01214.89
7.3.330.0050.00013.07
7.3.320.0050.00013.11
7.3.310.0030.00316.30
7.3.300.0020.00516.29
7.3.290.0090.00916.42
7.3.280.0120.00616.44
7.3.270.0130.00417.40
7.3.260.0100.00918.24
7.3.250.0150.00316.50
7.3.240.0130.00716.46
7.3.230.0040.01316.39
7.3.210.0130.00316.38
7.3.200.0140.00719.39
7.3.190.0090.01216.45
7.3.180.0120.00916.35
7.3.170.0160.00016.43
7.3.160.0060.01516.42
7.3.130.0100.00714.58
7.3.120.0050.01114.92
7.3.110.0100.00714.90
7.3.100.0060.00914.89
7.3.90.0040.01214.74
7.3.80.0060.01014.84
7.3.70.0050.00914.77
7.3.60.0070.00814.91
7.3.50.0020.01314.62
7.3.40.0080.00714.85
7.3.30.0110.00314.83
7.3.20.0070.00716.72
7.3.10.0090.00516.64
7.3.00.0050.00916.60
7.2.330.0060.01216.67
7.2.320.0090.00916.36
7.2.310.0040.01416.61
7.2.300.0060.01116.71
7.2.290.0070.01016.65
7.2.260.0040.01515.11
7.2.250.0150.00414.87
7.2.240.0050.01114.74
7.2.230.0080.00515.01
7.2.220.0080.00614.83
7.2.210.0050.00914.87
7.2.200.0060.00814.78
7.2.190.0040.01114.94
7.2.180.0030.00914.88
7.2.170.0050.00814.96
7.2.160.0070.00514.84
7.2.150.0020.01216.76
7.2.140.0090.00816.78
7.2.130.0020.01516.68
7.2.120.0060.00916.67
7.2.110.0050.01116.89
7.2.100.0030.01416.58
7.2.90.0050.01016.96
7.2.80.0060.01316.73
7.2.70.0030.01416.74
7.2.60.0100.00616.83
7.2.50.0050.00916.94
7.2.40.0050.01216.85
7.2.30.0100.00716.86
7.2.20.0050.01016.77
7.2.10.0020.01416.77
7.2.00.0070.00816.71
7.1.330.0050.01015.70
7.1.320.0030.00915.64
7.1.310.0070.00915.88
7.1.300.0070.00715.53
7.1.290.0040.00915.79
7.1.280.0020.01315.82
7.1.270.0060.00815.73
7.1.260.0060.01015.66
7.1.250.0100.00515.63
7.1.240.0030.01415.72
7.1.230.0040.01115.73
7.1.220.0040.01115.82
7.1.210.0090.00015.73
7.1.200.0030.01015.68
7.1.190.0070.01015.60
7.1.180.0060.00615.64
7.1.170.0060.00615.59
7.1.160.0110.00315.76
7.1.150.0100.00315.91
7.1.140.0030.01315.62
7.1.130.0100.00315.82
7.1.120.0090.00615.69
7.1.110.0080.00415.74
7.1.100.0040.00717.00
7.1.90.0030.00715.83
7.1.80.0030.01215.76
7.1.70.0030.00816.33
7.1.60.0060.01317.43
7.1.50.0080.00816.37
7.1.40.0060.01215.78
7.1.30.0000.00915.47
7.1.20.0130.00015.55
7.1.10.0030.01215.71
7.1.00.0070.01818.87
7.0.330.0090.00615.44
7.0.320.0030.01015.07
7.0.310.0000.01415.20
7.0.300.0070.00315.08
7.0.290.0000.01415.44
7.0.280.0060.00615.53
7.0.270.0100.00715.51
7.0.260.0060.00615.29
7.0.250.0150.00015.48
7.0.240.0030.01015.07
7.0.230.0030.01315.44
7.0.220.0000.01415.55
7.0.210.0030.01015.36
7.0.200.0070.00315.96
7.0.190.0100.00715.47
7.0.180.0040.01115.20
7.0.170.0070.01115.23
7.0.160.0070.00715.39
7.0.150.0000.01215.45
7.0.140.0060.04118.72
7.0.130.0100.00315.41
7.0.120.0090.00615.55
7.0.110.0090.00015.27
7.0.100.0060.00615.25
7.0.90.0070.00715.47
7.0.80.0120.00315.33
7.0.70.0070.00715.50
7.0.60.0030.02517.61
7.0.50.0110.03416.65
7.0.40.0040.02616.78
7.0.30.0030.05016.81
7.0.20.0180.02616.97
7.0.10.0090.04616.89
7.0.00.0050.04316.91
5.6.400.0080.00814.32
5.6.390.0030.00614.13
5.6.380.0060.00614.30
5.6.370.0100.00614.34
5.6.360.0030.01414.24
5.6.350.0060.00914.28
5.6.340.0100.00314.29
5.6.330.0070.00314.34
5.6.320.0030.01414.25
5.6.310.0040.01114.54
5.6.300.0090.00614.16
5.6.290.0090.00614.01
5.6.280.0090.03517.72
5.6.270.0030.01213.95
5.6.260.0100.00014.62
5.6.250.0080.00414.32
5.6.240.0000.01314.05
5.6.230.0090.00614.27
5.6.220.0040.01114.08
5.6.210.0070.04117.40
5.6.200.0030.04716.19
5.6.190.0050.02717.28
5.6.180.0140.02817.41
5.6.170.0260.03117.35
5.6.160.0000.02717.38
5.6.150.0030.04116.21
5.6.140.0080.03316.22
5.6.130.0030.05016.30
5.6.120.0080.04317.56
5.6.110.0050.04817.56
5.6.100.0110.03217.61
5.6.90.0030.02517.69
5.6.80.0080.04017.21
5.6.70.0070.01014.16
5.6.60.0000.01514.12
5.6.50.0030.01214.33
5.6.40.0100.00614.27
5.6.30.0040.00714.42
5.6.20.0060.01014.27
5.6.10.0000.01514.09
5.6.00.0030.01014.15
5.5.380.0040.00814.29
5.5.370.0040.01114.20
5.5.360.0070.00714.00
5.5.350.1970.02517.21
5.5.340.0130.02716.03
5.5.330.0040.04317.29
5.5.320.0150.02217.25
5.5.310.0220.02617.16
5.5.300.0040.02215.91
5.5.290.0040.03116.25
5.5.280.0060.04417.58
5.5.270.0130.03017.55
5.5.260.0050.03517.52
5.5.250.0030.03417.47
5.5.240.0070.03817.29
5.5.230.0100.00314.13
5.5.220.0030.00914.13
5.5.210.0090.00613.95
5.5.200.0070.00714.04
5.5.190.0070.00714.25
5.5.180.0070.01013.80
5.5.170.0060.00614.27
5.5.160.0000.00814.34
5.5.150.0030.00713.96
5.5.140.0070.00714.28
5.5.130.0030.01113.69
5.5.120.0030.01214.00
5.5.110.0000.01614.13
5.5.100.0030.00914.24
5.5.90.0060.00314.23
5.5.80.0060.00914.24
5.5.70.0090.00614.00
5.5.60.0090.00014.26
5.5.50.0070.00714.18
5.5.40.0030.01014.14
5.5.30.0100.00713.80
5.5.20.0030.01214.11
5.5.10.0080.00414.11
5.5.00.0090.00614.14
5.4.450.1780.02115.11
5.4.440.1680.02314.99
5.4.430.1670.02015.05
5.4.420.1670.01815.21
5.4.410.1650.02015.14
5.4.400.1730.02314.78
5.4.390.1630.02014.98
5.4.380.1600.02314.83
5.4.370.1520.02214.92
5.4.360.1640.02014.87
5.4.350.1620.02214.85
5.4.340.1640.02214.88
5.4.330.0060.00610.88
5.4.320.1980.02114.76
5.4.310.1700.02415.08
5.4.300.1630.02215.17
5.4.290.1560.02114.85
5.4.280.1530.01814.98
5.4.270.1500.01914.95
5.4.260.1490.02014.94
5.4.250.1480.01814.86
5.4.240.1750.02514.80
5.4.230.1730.01714.90
5.4.220.1620.02714.94
5.4.210.1550.01814.82
5.4.200.1650.02014.86
5.4.190.1620.02014.74
5.4.180.1600.02414.79
5.4.170.1620.02215.03
5.4.160.1560.01314.84
5.4.150.1480.02314.91
5.4.140.1650.02213.51
5.4.130.1580.02213.68
5.4.120.1620.02113.58
5.4.110.1580.02313.58
5.4.100.1240.01313.54
5.4.90.1510.02013.53
5.4.80.1460.02113.61
5.4.70.1510.01813.39
5.4.60.1570.01513.66
5.4.50.1630.01613.68
5.4.40.1650.02013.70
5.4.30.1630.02213.42
5.4.20.1470.01813.54
5.4.10.1500.01813.65
5.4.00.1480.02213.16
5.3.290.1560.02112.55
5.3.280.1520.02012.40
5.3.270.1470.02612.61
5.3.260.1510.02012.46
5.3.250.1650.02212.54
5.3.240.1650.02012.44
5.3.230.1640.01912.46
5.3.220.1630.02312.38
5.3.210.1570.02412.42
5.3.200.1500.02112.43
5.3.190.1600.02412.43
5.3.180.1500.02112.46
5.3.170.1740.02612.37
5.3.160.1690.01512.62
5.3.150.1690.02112.48
5.3.140.1670.02212.45
5.3.130.1520.02812.46
5.3.120.1530.02412.42
5.3.110.1470.02212.42
5.3.100.1630.02312.27
5.3.90.1610.02312.15
5.3.80.1600.02312.08
5.3.70.1480.02612.15
5.3.60.1690.01712.19
5.3.50.1590.02412.23
5.3.40.1560.02612.08
5.3.30.1620.02112.21
5.3.20.1650.01911.91
5.3.10.1600.01811.91
5.3.00.1500.02111.91
5.2.170.2630.03312.89
5.2.160.2770.02712.89
5.2.150.2470.02712.89
5.2.140.3130.04012.89
5.2.130.2870.02712.89
5.2.120.2930.02712.89
5.2.110.2700.03012.89
5.2.100.2730.03012.89
5.2.90.2700.03012.89
5.2.80.2300.02712.89
5.2.70.2600.03012.89
5.2.60.2670.03312.89
5.2.50.2700.03012.89
5.2.40.2330.03012.89
5.2.30.1830.03312.89
5.2.20.2270.02712.89
5.2.10.2230.02312.89
5.2.00.2330.03012.89
5.1.60.2200.02312.89
5.1.50.2000.02012.89
5.1.40.2270.02712.89
5.1.30.2170.02712.89
5.1.20.2030.02312.89
5.1.10.1970.02312.89
5.1.00.2270.02712.89
5.0.50.0970.02012.89
5.0.40.1170.02012.89
5.0.30.1530.03312.89
5.0.20.1000.02012.89
5.0.10.1170.02312.89
5.0.00.1200.03712.89
4.4.90.1000.01312.89
4.4.80.1030.01712.89
4.4.70.1100.01712.89
4.4.60.1300.02012.89
4.4.50.1100.02012.89
4.4.40.1100.03012.89
4.4.30.0900.02312.89
4.4.20.1270.01712.89
4.4.10.1200.01712.89
4.4.00.1100.03012.89
4.3.110.1230.02012.89
4.3.100.1000.01312.89
4.3.90.1030.01312.89
4.3.80.1230.02312.89
4.3.70.1230.01712.89
4.3.60.1270.01712.89
4.3.50.1230.01712.89
4.3.40.1230.02712.89
4.3.30.0500.02012.89
4.3.20.0600.02712.89
4.3.10.0500.01712.89
4.3.00.0730.02012.89

preferences:
51.06 ms | 401 KiB | 5 Q