3v4l.org

run code in 300+ PHP versions simultaneously
<?php $boo = 1; $_SESSION['boo']='$boo'; $boo = 2; echo 'boo = ', $boo, ' '; echo '$_SESSION[boo] = ', $$_SESSION['boo'];

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)
8.3.60.0040.01116.88
8.3.50.0160.00321.16
8.3.40.0120.00318.85
8.3.30.0120.00318.84
8.3.20.0040.00420.21
8.3.10.0040.00421.64
8.3.00.0070.00019.92
8.2.180.0090.01216.63
8.2.170.0110.00422.96
8.2.160.0100.00320.64
8.2.150.0080.00024.18
8.2.140.0040.01424.66
8.2.130.0040.00426.16
8.2.120.0040.00417.63
8.2.110.0040.00422.25
8.2.100.0090.00317.88
8.2.90.0000.00919.17
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0060.00317.93
8.2.50.0030.00618.07
8.2.40.0080.00019.13
8.2.30.0000.00819.97
8.2.20.0090.00017.62
8.2.10.0040.00418.09
8.2.00.0070.00017.98
8.1.280.0170.00325.92
8.1.270.0040.00420.27
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.54
8.1.230.0080.00717.42
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0070.00017.22
8.1.180.0040.00418.10
8.1.170.0000.00918.50
8.1.160.0030.00521.91
8.1.150.0050.00218.88
8.1.140.0040.00417.40
8.1.130.0030.00317.61
8.1.120.0030.00417.52
8.1.110.0080.00017.33
8.1.100.0070.00017.34
8.1.90.0000.00717.40
8.1.80.0030.00517.41
8.1.70.0070.00017.31
8.1.60.0000.00917.60
8.1.50.0000.00717.50
8.1.40.0040.00417.50
8.1.30.0030.00517.54
8.1.20.0000.00717.63
8.1.10.0040.00417.59
8.1.00.0050.00317.34
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.48
8.0.270.0000.00717.23
8.0.260.0030.00317.11
8.0.250.0040.00416.98
8.0.240.0030.00517.03
8.0.230.0030.00617.02
8.0.220.0030.00316.90
8.0.210.0000.00716.85
8.0.200.0030.00517.04
8.0.190.0040.00417.03
8.0.180.0000.00716.84
8.0.170.0060.00316.93
8.0.160.0030.00316.93
8.0.150.0070.00017.02
8.0.140.0050.00216.91
8.0.130.0040.00413.31
8.0.120.0040.00416.84
8.0.110.0000.00716.90
8.0.100.0000.00816.88
8.0.90.0000.00716.82
8.0.80.0130.00316.91
8.0.70.0040.00417.01
8.0.60.0040.00417.04
8.0.50.0000.00716.89
8.0.30.0130.00517.18
8.0.20.0140.00917.40
8.0.10.0040.00416.91
8.0.00.0050.01116.77
7.4.330.0050.00015.14
7.4.320.0040.00416.54
7.4.300.0000.00616.50
7.4.290.0000.00716.50
7.4.280.0030.00716.47
7.4.270.0050.00316.50
7.4.260.0060.00316.57
7.4.250.0000.00716.45
7.4.240.0020.00516.45
7.4.230.0070.00016.65
7.4.220.0070.01716.63
7.4.210.0040.01116.36
7.4.200.0000.00716.60
7.4.160.0110.00416.61
7.4.150.0090.01217.40
7.4.140.0150.00817.86
7.4.130.0100.01016.58
7.4.120.0100.00716.46
7.4.110.0100.00716.44
7.4.100.0190.00416.59
7.4.90.0130.00616.48
7.4.80.0030.01419.39
7.4.70.0060.01516.53
7.4.60.0090.00616.48
7.4.50.0050.00316.71
7.4.40.0030.01416.19
7.4.30.0030.01516.46
7.4.00.0030.01414.81
7.3.330.0030.00313.29
7.3.320.0030.00313.08
7.3.310.0070.00016.20
7.3.300.0070.00016.29
7.3.290.0060.01116.32
7.3.280.0080.01216.34
7.3.270.0070.01017.40
7.3.260.0140.00316.38
7.3.250.0070.01216.31
7.3.240.0120.00916.32
7.3.230.0130.00916.44
7.3.210.0190.00416.46
7.3.200.0000.01616.50
7.3.190.0130.00316.47
7.3.180.0100.00616.45
7.3.170.0050.01016.38
7.3.160.0030.01616.38
7.3.10.0000.01016.66
7.3.00.0040.00816.73
7.2.330.0060.01116.78
7.2.320.0120.00916.70
7.2.310.0120.00916.65
7.2.300.0100.00616.25
7.2.290.0070.01016.31
7.2.130.0000.01116.94
7.2.120.0040.01216.98
7.2.110.0120.00316.79
7.2.100.0050.00516.86
7.2.90.0000.01416.99
7.2.80.0060.00616.81
7.2.70.0090.00316.85
7.2.60.0050.00916.97
7.2.50.0000.01416.63
7.2.40.0030.00617.14
7.2.30.0060.00716.71
7.2.20.0000.01117.13
7.2.10.0040.00916.70
7.2.00.0070.00716.77
7.1.250.0060.00315.73
7.1.200.0060.00615.60
7.1.70.0000.00717.30
7.1.60.0040.00817.31
7.1.50.0260.01034.53
7.1.00.0030.07722.31
7.0.200.0070.01016.55
7.0.60.0030.05719.95
7.0.50.0070.05017.88
7.0.40.0100.05320.31
7.0.30.0200.04320.01
7.0.20.0200.04020.21
7.0.10.0070.04720.33
7.0.00.0070.06720.18
5.6.280.0030.04321.06
5.6.210.0100.06320.46
5.6.200.0070.05018.18
5.6.190.0170.07020.36
5.6.180.0700.05720.64
5.6.170.0200.04720.33
5.6.160.0070.08320.38
5.6.150.0030.05318.19
5.6.140.0000.08718.18
5.6.130.0130.05018.11
5.6.120.0100.07021.11
5.6.110.0100.07020.98
5.6.100.0130.07720.96
5.6.90.0070.08721.09
5.6.80.0070.06020.43
5.5.350.0030.08020.31
5.5.340.0070.07318.02
5.5.330.0030.08720.23
5.5.320.1630.06320.14
5.5.310.0200.05320.27
5.5.300.0170.07318.01
5.5.290.0100.08318.01
5.5.280.0230.07020.86
5.5.270.0070.08720.63
5.5.260.0130.03320.88
5.5.250.0170.06020.57
5.5.240.0070.07320.36
5.4.450.0770.04719.61
5.4.440.0700.05319.52
5.4.430.0630.05319.48
5.4.420.0600.05719.13
5.4.410.0600.06019.00
5.4.400.0730.04319.00
5.4.390.0800.06319.22
5.4.380.0830.05319.14
5.4.370.0670.05019.30
5.4.360.0570.06019.23
5.4.350.0500.06319.15
5.4.340.0570.05718.91
5.4.320.0870.05018.93
5.4.310.0970.05319.31
5.4.300.0830.04719.16
5.4.290.0930.04019.25
5.4.280.0730.06319.12
5.4.270.0930.05019.16
5.4.260.0870.05719.14
5.4.250.0830.06019.30
5.4.240.0970.06019.26
5.4.230.0830.06018.80
5.4.220.0730.06019.12
5.4.210.0700.06019.21
5.4.200.0570.06319.27
5.4.190.0600.05718.79
5.4.180.0830.05319.13
5.4.170.0630.05019.14
5.4.160.0630.05019.14
5.4.150.0770.04018.78
5.4.140.0670.04716.45
5.4.130.0630.05016.21
5.4.120.0670.05016.27
5.4.110.0630.04716.21
5.4.100.0730.05316.20
5.4.90.0630.04316.21
5.4.80.0530.05316.46
5.4.70.0100.04016.48
5.4.60.0330.06716.28
5.4.50.0000.03716.20
5.4.40.0370.05716.43
5.4.30.0070.06316.22
5.4.20.0200.03716.36
5.4.10.0300.06016.45

preferences:
51.82 ms | 401 KiB | 5 Q