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)
8.3.60.0100.00516.50
8.3.50.0140.00621.05
8.3.40.0110.00418.93
8.3.30.0070.00718.84
8.3.20.0000.00720.04
8.3.10.0030.00523.48
8.3.00.0040.00419.81
8.2.180.0110.00718.41
8.2.170.0140.00322.96
8.2.160.0070.01019.46
8.2.150.0040.00424.18
8.2.140.0060.00624.66
8.2.130.0000.00826.16
8.2.120.0000.00817.63
8.2.110.0090.00022.02
8.2.100.0070.00417.75
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0030.00517.93
8.2.50.0090.00018.07
8.2.40.0000.00719.44
8.2.30.0070.00019.85
8.2.20.0060.00317.85
8.2.10.0040.00418.12
8.2.00.0080.00018.14
8.1.280.0160.00325.92
8.1.270.0040.00420.36
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.42
8.1.230.0090.00317.48
8.1.220.0030.00917.74
8.1.210.0000.00918.77
8.1.200.0060.00317.48
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.58
8.1.160.0070.00023.75
8.1.150.0070.00018.89
8.1.140.0090.00017.45
8.1.130.0000.00717.70
8.1.120.0000.00717.43
8.1.110.0000.00717.49
8.1.100.0000.00717.36
8.1.90.0000.00717.45
8.1.80.0030.00517.49
8.1.70.0000.00717.49
8.1.60.0080.00017.48
8.1.50.0040.00417.54
8.1.40.0000.00817.41
8.1.30.0060.00317.48
8.1.20.0000.00817.66
8.1.10.0040.00417.60
8.1.00.0070.00017.56
8.0.300.0050.00518.77
8.0.290.0040.00416.88
8.0.280.0000.00818.29
8.0.270.0040.00417.18
8.0.260.0070.00017.21
8.0.250.0080.00016.92
8.0.240.0070.00016.94
8.0.230.0040.00417.00
8.0.220.0000.00716.97
8.0.210.0060.00316.84
8.0.200.0000.00716.91
8.0.190.0030.00617.04
8.0.180.0050.00317.02
8.0.170.0060.00316.85
8.0.160.0000.00717.04
8.0.150.0040.00417.02
8.0.140.0080.00016.93
8.0.130.0000.00713.43
8.0.120.0040.00416.82
8.0.110.0000.00716.80
8.0.100.0000.00716.94
8.0.90.0040.00416.78
8.0.80.0100.00717.01
8.0.70.0000.00817.00
8.0.60.0070.00017.01
8.0.50.0000.00716.82
8.0.30.0040.01417.27
8.0.20.0120.00617.40
8.0.10.0040.00416.93
8.0.00.0090.00916.73
7.4.330.0020.00215.08
7.4.320.0000.00716.49
7.4.300.0030.00316.61
7.4.290.0030.00316.43
7.4.280.0040.00416.41
7.4.270.0000.00716.50
7.4.260.0090.00016.48
7.4.250.0030.00516.56
7.4.240.0030.00516.56
7.4.230.0000.00716.60
7.4.220.0070.01016.54
7.4.210.0100.00816.57
7.4.200.0050.00316.59
7.4.160.0110.00516.66
7.4.150.0190.00017.40
7.4.140.0080.01117.86
7.4.130.0110.01016.63
7.4.120.0130.00816.49
7.4.110.0110.00716.45
7.4.100.0070.01116.52
7.4.90.0180.00016.44
7.4.80.0030.01319.39
7.4.70.0100.00716.59
7.4.60.0040.01216.52
7.4.50.0000.00716.52
7.4.40.0060.00916.40
7.4.30.0130.00616.64
7.4.00.0070.00915.14
7.3.330.0000.00713.15
7.3.320.0000.00513.13
7.3.310.0060.00016.34
7.3.300.0070.00016.42
7.3.290.0030.00316.43
7.3.280.0110.00916.38
7.3.270.0100.00717.40
7.3.260.0120.00616.53
7.3.250.0100.00816.47
7.3.240.0090.00916.64
7.3.230.0140.00416.45
7.3.210.0130.01016.44
7.3.200.0100.01016.39
7.3.190.0060.01016.39
7.3.180.0120.00416.59
7.3.170.0030.01316.46
7.3.160.0060.00916.50
7.3.120.0080.00814.87
7.3.110.0100.00714.98
7.3.100.0070.00714.75
7.3.90.0060.00914.86
7.3.80.0060.00314.83
7.3.70.0120.00314.94
7.3.60.0090.00614.65
7.3.50.0030.01314.78
7.3.40.0060.00914.94
7.3.30.0000.01515.00
7.3.20.0090.00616.56
7.3.10.0060.00916.86
7.3.00.0070.00716.66
7.2.330.0090.00916.50
7.2.320.0110.01216.79
7.2.310.0100.00716.81
7.2.300.0060.01216.78
7.2.290.0110.00616.82
7.2.250.0070.01115.06
7.2.240.0120.00815.06
7.2.230.0100.00315.06
7.2.220.0070.01115.29
7.2.210.0090.00614.84
7.2.200.0030.00914.83
7.2.190.0070.00315.10
7.2.180.0120.00314.91
7.2.170.0000.01514.87
7.2.60.0000.01416.74
7.2.00.0060.00619.37
7.1.330.0040.01215.85
7.1.320.0060.00615.75
7.1.310.0060.00915.98
7.1.300.0100.00315.76
7.1.290.0060.00315.76
7.1.280.0080.00015.92
7.1.270.0070.00715.76
7.1.260.0080.00815.72
7.1.200.0030.01015.80
7.1.100.0060.00618.10
7.1.70.0000.00817.03
7.1.60.0090.01220.03
7.1.50.0060.01616.91
7.1.00.0000.08022.27
7.0.200.0060.00316.82
7.0.60.0000.04319.96
7.0.50.0200.04017.80
7.0.40.0070.08019.98
7.0.30.0200.04320.13
7.0.20.0370.07020.11
7.0.10.0130.08320.21
7.0.00.0100.08020.12
5.6.280.0070.05721.04
5.6.210.0130.05720.50
5.6.200.0100.03718.18
5.6.190.0070.08020.77
5.6.180.3570.04320.45
5.6.170.0100.05020.52
5.6.160.0170.07320.37
5.6.150.0100.08018.22
5.6.140.0100.04018.17
5.6.130.0030.05718.11
5.6.120.0070.05320.86
5.6.110.0070.05320.97
5.6.100.0070.08321.00
5.6.90.0030.06721.07
5.6.80.0100.07320.52
5.6.70.4370.04320.52
5.5.350.0170.04320.44
5.5.340.0000.04318.02
5.5.330.0030.06320.21
5.5.320.0330.07020.51
5.5.310.0430.03320.26
5.5.300.0030.08317.96
5.5.290.0070.03717.93
5.5.280.0070.05020.97
5.5.270.0070.08320.66
5.5.260.0100.07320.88
5.5.250.0170.06720.65
5.5.240.0200.07320.06
5.4.450.0500.05719.10
5.4.440.0500.05719.63
5.4.430.0470.05719.12
5.4.420.0130.05319.63
5.4.410.0130.05019.21
5.4.400.0070.05319.31
5.4.390.0500.05019.30
5.4.380.0430.05719.22
5.4.370.0470.05718.80
5.4.360.0470.05319.18
5.4.350.0630.04019.14
5.4.340.0470.06018.81
5.4.320.0700.05019.18
5.4.310.0630.05019.30
5.4.300.0770.07319.12
5.4.290.0770.04019.14
5.4.280.0700.06318.91
5.4.270.0730.05018.80
5.4.260.0630.05719.19
5.4.250.0630.05718.94
5.4.240.0700.05019.11
5.4.230.0670.05019.27
5.4.220.0600.05019.14
5.4.210.0670.05019.30
5.4.200.0730.07018.80
5.4.190.0670.05019.15
5.4.180.0700.04719.24
5.4.170.0630.06019.13
5.4.160.0700.04719.29
5.4.150.0670.05018.98
5.4.140.0730.04316.32
5.4.130.0700.06316.33
5.4.120.0730.05316.18
5.4.110.0730.04716.47
5.4.100.0630.05316.45
5.4.90.0670.04716.44
5.4.80.0500.05316.44
5.4.70.0230.07316.37
5.4.60.0200.04316.21
5.4.50.0000.04016.49
5.4.40.0130.04316.27
5.4.30.0070.06316.42
5.4.20.0200.04016.38

preferences:
59.37 ms | 401 KiB | 5 Q