3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start('assert'); echo 'ob_end_flush()===1'; ob_end_flush();

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)
8.3.60.0100.01016.38
8.3.50.0110.00317.80
8.3.40.0070.01018.77
8.3.30.0000.01418.42
8.3.20.0050.00320.13
8.3.10.0040.00423.71
8.3.00.0060.00319.13
8.2.180.0070.01418.13
8.2.170.0100.00322.96
8.2.160.0070.00720.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00617.50
8.2.110.0030.00520.21
8.2.100.0040.00817.91
8.2.90.0040.00418.34
8.2.80.0060.00317.97
8.2.70.0050.00417.50
8.2.60.0050.00217.80
8.2.50.0050.00318.07
8.2.40.0080.00021.06
8.2.30.0000.00820.48
8.2.20.0030.00617.62
8.2.10.0040.00417.92
8.2.00.0040.00418.04
8.1.280.0140.00325.92
8.1.270.0040.00423.85
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00622.14
8.1.230.0000.01220.80
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.13
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0020.00518.93
8.1.160.0080.00021.82
8.1.150.0000.00818.75
8.1.140.0070.00019.35
8.1.130.0000.00817.47
8.1.120.0000.00717.30
8.1.110.0070.00017.30
8.1.100.0030.00317.29
8.1.90.0000.00717.29
8.1.80.0000.00717.28
8.1.70.0000.00717.31
8.1.60.0030.00517.44
8.1.50.0000.00917.32
8.1.40.0040.00417.34
8.1.30.0000.00917.48
8.1.20.0040.00417.43
8.1.10.0050.00217.46
8.1.00.0030.00617.43
8.0.300.0000.00720.27
8.0.290.0040.00416.63
8.0.280.0070.00018.40
8.0.270.0030.00317.22
8.0.260.0040.00417.14
8.0.250.0000.00716.84
8.0.240.0030.00316.73
8.0.230.0000.00716.85
8.0.220.0030.00316.79
8.0.210.0070.00016.74
8.0.200.0000.00716.85
8.0.190.0040.00416.76
8.0.180.0050.00216.70
8.0.170.0040.00416.68
8.0.160.0000.00916.80
8.0.150.0030.00316.57
8.0.140.0030.00316.59
8.0.130.0000.00513.18
8.0.120.0050.00316.80
8.0.110.0000.00716.68
8.0.100.0000.00716.65
8.0.90.0080.00016.78
8.0.80.0090.00616.79
8.0.70.0040.00416.71
8.0.60.0000.00716.70
8.0.50.0040.00416.79
8.0.30.0060.01117.05
8.0.20.0120.00617.40
8.0.10.0000.00716.65
8.0.00.0090.01116.61
7.4.330.0020.00215.08
7.4.320.0030.00316.46
7.4.300.0030.00316.37
7.4.290.0030.00316.36
7.4.280.0050.00216.45
7.4.270.0040.00416.32
7.4.260.0000.00716.45
7.4.250.0000.00716.23
7.4.240.0030.00416.38
7.4.230.0050.00316.39
7.4.220.0100.01216.49
7.4.210.0160.00316.31
7.4.200.0000.00716.54
7.4.160.0090.00616.51
7.4.150.0140.00317.40
7.4.140.0100.00917.86
7.4.130.0060.01316.36
7.4.120.0080.00816.57
7.4.110.0060.01216.38
7.4.100.0110.00716.33
7.4.90.0110.01116.58
7.4.80.0100.00719.39
7.4.70.0030.01716.35
7.4.60.0100.01316.48
7.4.50.0090.00016.46
7.4.40.0080.00816.39
7.4.30.0100.00716.43
7.4.00.0030.00614.56
7.3.330.0000.00513.03
7.3.320.0000.00513.07
7.3.310.0000.00716.15
7.3.300.0040.00416.21
7.3.290.0080.00716.24
7.3.280.0090.00916.20
7.3.270.0070.01117.40
7.3.260.0110.00816.53
7.3.250.0110.00816.28
7.3.240.0130.00316.47
7.3.230.0100.00716.39
7.3.210.0110.01016.40
7.3.200.0000.01616.30
7.3.190.0120.00916.50
7.3.180.0120.00316.20
7.3.170.0100.00716.27
7.3.160.0070.01116.39
7.2.330.0180.00016.44
7.2.320.0130.00916.35
7.2.310.0060.01016.54
7.2.300.0110.00616.43
7.2.290.0100.00616.22
7.2.60.0030.00916.48
7.2.00.0030.01119.16
7.1.200.0090.00315.68
7.1.100.0110.00618.00
7.1.70.0000.00717.10
7.1.60.0140.01119.43
7.1.50.0070.01416.99
7.1.00.0000.08022.47
7.0.200.0670.00314.57
7.0.60.0030.04719.92
7.0.50.0100.04317.81
7.0.40.0070.04320.07
7.0.30.0100.08320.16
7.0.20.0270.04020.04
7.0.10.0130.08020.33
7.0.00.0130.08320.09
5.6.280.0000.06321.12
5.6.210.0100.08020.50
5.6.200.0030.04318.22
5.6.190.0030.05020.43
5.6.180.0470.05020.32
5.6.170.0170.07020.45
5.6.160.0000.05020.46
5.6.150.0070.04318.16
5.6.140.0070.05018.11
5.6.130.0030.04018.21
5.6.120.0130.08020.96
5.6.110.0100.08320.99
5.6.100.0100.08020.99
5.6.90.0130.04321.01
5.6.80.0100.03320.50
5.5.350.0200.04020.41
5.5.340.0100.07717.91
5.5.330.0030.08320.27
5.5.320.0170.04720.29
5.5.310.0230.07720.28
5.5.300.0100.07017.88
5.5.290.0070.07717.93
5.5.280.0130.05320.86
5.5.270.0130.07720.93
5.5.260.0070.04320.83
5.5.250.0130.04020.77
5.5.240.0100.06020.03
5.4.450.0630.05719.12
5.4.440.0600.04719.59
5.4.430.0430.06019.12
5.4.420.0570.06019.57
5.4.410.0600.05319.37
5.4.400.0630.05719.20
5.4.390.0400.06018.99
5.4.380.0500.04318.78
5.4.370.0400.05319.30
5.4.360.0500.05319.11
5.4.350.0530.05019.28
5.4.340.0400.05719.23
5.4.320.0470.05719.29
5.4.310.0530.04719.16
5.4.300.0400.05719.19
5.4.290.0470.05019.24
5.4.280.0470.05019.14
5.4.270.0500.05019.28
5.4.260.0430.05318.99
5.4.250.0530.04318.78
5.4.240.0500.04719.14
5.4.230.0530.04719.25
5.4.220.0670.05019.15
5.4.210.0530.05318.78
5.4.200.0530.05318.91
5.4.190.0630.04319.29
5.4.180.0470.04719.29
5.4.170.0500.05719.29
5.4.160.0700.05318.72
5.4.150.0600.06718.97
5.4.140.0500.05316.22
5.4.130.0500.05316.26
5.4.120.0500.05716.49
5.4.110.0500.05316.49
5.4.100.0530.04716.21
5.4.90.0470.05316.46
5.4.80.0500.05316.50
5.4.70.0570.04716.43
5.4.60.0530.05016.44
5.4.50.0600.04316.43
5.4.40.0530.05016.53
5.4.30.0570.04716.49
5.4.20.0530.05016.16
5.4.10.0500.05316.34
5.4.00.0530.05015.78

preferences:
51.33 ms | 400 KiB | 5 Q