3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Simulate PHP setting for output_buffering. ob_start(); assert(1 === ob_get_level()); ob_end_clean(); assert(0 === ob_get_level()); print 'before the header'; header('AAA:BBB');

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)
8.3.70.0060.01216.50
8.3.60.0040.01118.43
8.3.50.0100.00818.22
8.3.40.0130.00918.67
8.3.30.0100.01018.67
8.3.20.0030.00621.82
8.3.10.0070.00021.90
8.3.00.0060.00319.66
8.2.190.0110.00718.35
8.2.180.0070.01418.11
8.2.170.0100.00322.96
8.2.160.0110.00419.27
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00919.18
8.2.120.0060.00326.35
8.2.110.0040.00421.05
8.2.100.0080.00417.72
8.2.90.0080.00017.84
8.2.80.0050.00318.09
8.2.70.0060.00317.50
8.2.60.0030.00617.50
8.2.50.0040.00417.63
8.2.40.0030.00619.13
8.2.30.0070.00017.55
8.2.20.0030.00517.80
8.2.10.0090.00017.93
8.2.00.0000.00717.92
8.1.280.0130.01025.92
8.1.270.0040.00423.89
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0080.00320.70
8.1.230.0040.00720.96
8.1.220.0080.00017.74
8.1.210.0040.00418.96
8.1.200.0060.00317.23
8.1.190.0030.00517.10
8.1.180.0080.00018.10
8.1.170.0050.00317.62
8.1.160.0000.00718.79
8.1.150.0000.00718.86
8.1.140.0040.00417.61
8.1.130.0030.00319.02
8.1.120.0030.00617.38
8.1.110.0070.00017.25
8.1.100.0000.01017.29
8.1.90.0080.00017.33
8.1.80.0000.00817.29
8.1.70.0030.00517.29
8.1.60.0030.00617.40
8.1.50.0000.00817.43
8.1.40.0000.00817.47
8.1.30.0050.00317.56
8.1.20.0040.00417.51
8.1.10.0040.00417.43
8.1.00.0040.00417.30
8.0.300.0090.00020.03
8.0.290.0030.00616.63
8.0.280.0060.00318.00
8.0.270.0060.00317.92
8.0.260.0040.00417.11
8.0.250.0040.00416.93
8.0.240.0030.00716.89
8.0.230.0040.00416.91
8.0.220.0000.00716.82
8.0.210.0000.00816.70
8.0.200.0050.00516.88
8.0.190.0000.00816.90
8.0.180.0000.00716.84
8.0.170.0050.00316.84
8.0.160.0000.00716.72
8.0.150.0000.00816.78
8.0.140.0000.00716.81
8.0.130.0030.00313.33
8.0.120.0070.00016.72
8.0.110.0040.00416.81
8.0.100.0000.00716.69
8.0.90.0070.00016.64
8.0.80.0030.01216.73
8.0.70.0050.00216.71
8.0.60.0000.00716.84
8.0.50.0000.00716.84
8.0.30.0130.00816.93
8.0.20.0090.00917.40
8.0.10.0080.00016.90
8.0.00.0080.01016.64
7.4.330.0030.00316.79
7.4.320.0000.00616.52
7.4.300.0000.00616.54
7.4.290.0000.00616.48
7.4.280.0000.00716.52
7.4.270.0000.00716.57
7.4.260.0000.00716.46
7.4.250.0030.00316.41
7.4.240.0080.00016.55
7.4.230.0060.00016.37
7.4.220.0040.00416.41
7.4.210.0100.00516.38
7.4.200.0040.00416.25
7.4.160.0060.01016.44
7.4.140.0140.00517.86
7.4.130.0120.00616.44
7.4.120.0100.00816.53
7.4.110.0100.00716.31
7.4.100.0070.01116.39
7.4.90.0060.01816.56
7.4.80.0110.01119.39
7.4.70.0160.00616.66
7.4.60.0060.01016.54
7.4.50.0110.00316.54
7.4.40.0090.00916.35
7.4.00.0110.00714.68
7.3.330.0030.00313.06
7.3.320.0060.00013.05
7.3.310.0030.00316.36
7.3.300.0030.00316.23
7.3.290.0030.00316.30
7.3.280.0080.01116.30
7.3.260.0070.01216.23
7.3.240.0110.00616.31
7.3.230.0030.01416.20
7.3.210.0100.00716.23
7.3.200.0090.00616.25
7.3.190.0080.00816.21
7.3.180.0160.00016.29
7.3.170.0110.00616.47
7.3.160.0030.01216.40
7.2.330.0070.01116.45
7.2.320.0110.00716.66
7.2.310.0120.01216.35
7.2.300.0100.00716.22
7.2.290.0100.00716.70
7.2.60.0110.00316.82
7.2.50.0040.01116.89
7.2.40.1320.01218.05
7.2.30.1760.01317.85
7.2.20.2670.01618.14
7.2.10.2450.01217.96
7.2.00.2410.01617.73
7.1.200.0110.00515.67
7.1.160.1210.01116.59
7.1.150.1660.01216.64
7.1.140.2350.01416.46
7.1.130.2580.01216.95
7.1.120.1790.01316.87
7.1.110.1800.01415.97
7.1.100.2200.01316.25
7.1.90.2470.00816.22
7.1.80.2280.01016.18
7.1.70.2240.01015.17
7.1.60.2420.01633.32
7.1.50.2340.01332.92
7.1.40.2790.01632.72
7.1.30.1850.01332.59
7.1.20.2490.01532.70
7.1.10.2640.00814.71
7.1.00.1840.00814.70

preferences:
33.55 ms | 401 KiB | 5 Q