3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testURL = 'http://validator.w3.org/check?uri=http://forums.phpfreaks.com/topic/169441-get-headers-problems/'; $headers = get_headers($testURL, 1); echo $headers; ?>

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)
8.3.60.0070.00716.88
8.3.50.0100.01218.41
8.3.40.0100.00619.22
8.3.30.0110.00418.95
8.3.20.0080.00019.12
8.3.10.0070.00320.91
8.3.00.0080.00019.63
8.2.180.0040.01816.88
8.2.170.0090.00622.96
8.2.160.0110.00421.00
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00519.16
8.2.110.0090.00321.12
8.2.100.0080.00418.03
8.2.90.0060.00319.59
8.2.80.0040.00419.53
8.2.70.0000.00817.75
8.2.60.0030.00518.05
8.2.50.0000.01018.07
8.2.40.0000.00818.28
8.2.30.0030.00618.31
8.2.20.0000.00919.62
8.2.10.0000.00717.93
8.2.00.0050.00317.88
8.1.270.0030.00524.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00424.09
8.1.230.0070.00421.10
8.1.220.0050.00318.04
8.1.210.0000.00818.97
8.1.200.0060.00317.48
8.1.190.0000.00917.66
8.1.180.0080.00018.10
8.1.170.0070.00018.84
8.1.160.0000.00719.02
8.1.150.0030.00718.67
8.1.140.0050.00317.58
8.1.130.0040.00417.63
8.1.120.0000.00717.57
8.1.110.0040.00417.52
8.1.100.0030.00517.50
8.1.90.0000.00717.55
8.1.80.0000.00717.52
8.1.70.0030.00317.41
8.1.60.0030.00517.76
8.1.50.0040.00417.53
8.1.40.0060.00317.61
8.1.30.0050.00317.77
8.1.20.0090.00017.68
8.1.10.0040.00417.64
8.1.00.0050.00317.57
8.0.300.0000.00820.28
8.0.290.0040.00416.88
8.0.280.0030.00318.54
8.0.270.0000.00717.46
8.0.260.0070.00016.98
8.0.250.0000.00717.13
8.0.240.0060.00317.14
8.0.230.0000.00717.08
8.0.220.0040.00416.98
8.0.210.0070.00017.04
8.0.200.0030.00317.01
8.0.190.0080.00017.05
8.0.180.0040.00417.16
8.0.170.0090.00016.99
8.0.160.0040.00417.11
8.0.150.0040.00417.04
8.0.140.0000.00916.85
8.0.130.0090.00013.55
8.0.120.0080.00017.00
8.0.110.0040.00417.21
8.0.100.0040.00417.07
8.0.90.0060.00317.16
8.0.80.0130.00317.16
8.0.70.0040.00417.12
8.0.60.0000.00917.02
8.0.50.0050.00317.10
8.0.30.0180.00017.29
8.0.20.0060.01317.35
8.0.10.0030.00517.26
8.0.00.0140.00516.98
7.4.330.0000.00613.19
7.4.320.0030.00316.56
7.4.300.0030.00316.55
7.4.290.0070.00016.57
7.4.280.0030.00516.57
7.4.270.0000.00816.63
7.4.260.0000.00513.31
7.4.250.0030.00616.71
7.4.240.0050.00216.57
7.4.230.0000.00716.77
7.4.220.0130.00316.74
7.4.210.0060.01016.77
7.4.200.0050.00216.67
7.4.190.0040.00416.74
7.4.160.0060.01216.73
7.4.150.0170.00316.71
7.4.140.0130.00516.65
7.4.130.0100.01116.63
7.4.120.0090.00916.59
7.4.110.0150.00316.75
7.4.100.0170.00016.79
7.4.90.0130.00616.77
7.4.80.0100.00616.43
7.4.70.0140.00316.77
7.4.60.0070.01116.62
7.4.50.0000.00516.56
7.4.40.0050.00516.66
7.4.30.0150.00316.78
7.4.00.0030.01015.23
7.3.330.0040.00413.26
7.3.320.0030.00313.16
7.3.310.0030.00316.30
7.3.300.0000.00716.44
7.3.290.0030.01616.45
7.3.280.0090.01016.49
7.3.270.0120.00616.58
7.3.260.0140.00416.59
7.3.250.0150.00516.52
7.3.240.0070.01716.70
7.3.230.0090.00916.57
7.3.210.0110.00716.61
7.3.200.0110.01419.39
7.3.190.0100.00716.64
7.3.180.0030.01416.55
7.3.170.0140.00316.52
7.3.160.0120.00416.55
7.3.120.0030.01314.66
7.3.10.0030.01016.88
7.3.00.0070.00316.80
7.2.330.0090.00916.61
7.2.320.0110.00816.54
7.2.310.0060.01516.79
7.2.300.0120.00616.87
7.2.290.0150.00416.91
7.2.130.0030.01017.14
7.2.120.0090.00617.25
7.2.110.0100.00316.98
7.2.100.0040.00816.77
7.2.90.0130.00017.06
7.2.80.0040.01217.07
7.2.70.0100.00717.10
7.2.60.0110.00117.21
7.2.50.0000.01316.93
7.2.40.0110.00417.10
7.2.30.0030.01517.13
7.2.20.0090.00317.17
7.2.10.0060.00317.16
7.2.00.0050.01018.37
7.1.250.0040.00816.12
7.1.200.0000.01315.97
7.1.100.0000.00918.50
7.1.70.0040.00417.44
7.1.60.0180.00719.33
7.1.50.0060.01617.45
7.1.00.0000.03722.80
7.0.200.0090.00914.90
7.0.140.0070.07022.31
7.0.120.0100.07022.60
7.0.60.0070.07322.00
7.0.50.0100.07718.26
7.0.40.0000.05720.54
7.0.30.0230.05320.48
7.0.20.0370.08020.43
7.0.10.0000.08020.45
7.0.00.0170.08320.49
5.6.280.0030.07021.29
5.6.210.0030.04321.05
5.6.200.0070.03718.46
5.6.190.0100.05321.14
5.6.180.0200.03721.05
5.6.170.0230.06320.83
5.6.160.0170.07320.97
5.6.150.0100.07318.57
5.6.140.0030.08718.39
5.6.130.0070.03718.50
5.6.120.0130.06721.28
5.6.110.0170.07321.39
5.6.100.0130.08021.49
5.6.90.0170.03321.39
5.6.80.0030.08720.91
5.5.350.0070.08020.89
5.5.340.0070.04718.46
5.5.330.0030.04320.77
5.5.320.0300.07720.61
5.5.310.0100.04720.59
5.5.300.0100.03318.38
5.5.290.0000.07318.24
5.5.280.0030.08321.25
5.5.270.0030.09021.00
5.5.260.0070.07321.07
5.5.250.0130.07320.81
5.5.240.0100.08320.68
5.4.450.0070.06020.07
5.4.440.0030.08719.99
5.4.430.0100.07020.00
5.4.420.0030.04320.07
5.4.410.0000.06719.89
5.4.400.0070.04319.59
5.4.390.0000.05719.83
5.4.380.0100.07719.53
5.4.370.0030.05019.83
5.4.360.0070.04019.59
5.4.350.0100.03319.72
5.4.340.0130.02719.58
5.4.320.0000.05019.54
5.4.310.0000.04019.72
5.4.300.0000.04019.69
5.4.290.0070.03319.77
5.4.280.0030.03719.59
5.4.270.0070.03319.45
5.4.260.0030.03719.53
5.4.250.0100.03319.67
5.4.240.0000.04719.69
5.4.230.0000.04019.66
5.4.220.0000.04019.67
5.4.210.0030.03719.64
5.4.200.0100.03019.67
5.4.190.0070.03319.57
5.4.180.0100.03019.73
5.4.170.0030.03719.67
5.4.160.0030.03719.81
5.4.150.0030.04019.65
5.4.140.0030.04017.09
5.4.130.0030.03717.03
5.4.120.0130.02317.04
5.4.110.0030.03317.05
5.4.100.0000.04317.12
5.4.90.0000.04016.91
5.4.80.0070.06316.90
5.4.70.0100.07317.11
5.4.60.0070.04717.09
5.4.50.0130.04717.09
5.4.40.0070.04016.85
5.4.30.0070.04017.02
5.4.20.0130.06316.84
5.4.10.0100.06716.92
5.4.00.0030.03716.52
5.3.290.0070.03314.98
5.3.280.0030.03714.93
5.3.270.0070.03315.00
5.3.260.0000.04014.91
5.3.250.0070.03315.04
5.3.240.0070.03715.05
5.3.230.0030.04015.07
5.3.220.0030.03714.96
5.3.210.0070.03314.88
5.3.200.0030.05014.92
5.3.190.0030.04314.98
5.3.180.0070.07314.85
5.3.170.0170.07015.02
5.3.160.0070.05314.87
5.3.150.0030.05715.01
5.3.140.0000.06015.04
5.3.130.0170.06715.00
5.3.120.0100.07314.98
5.3.110.0130.04014.86
5.3.100.0000.05314.36
5.3.90.0130.03714.45
5.3.80.0100.07314.45
5.3.70.0070.07314.28
5.3.60.0030.07314.32
5.3.50.0070.08014.32
5.3.40.0100.03314.23
5.3.30.0100.06714.32
5.3.20.0100.03013.97
5.3.10.0100.03014.10
5.3.00.0130.07014.04
5.2.170.0030.06311.44
5.2.160.0100.04011.46
5.2.150.0030.04011.54
5.2.140.0030.04311.54
5.2.130.0030.03011.45
5.2.120.0070.04711.40
5.2.110.0030.06011.49
5.2.100.0070.05711.45
5.2.90.0070.06011.43
5.2.80.0100.06011.45
5.2.70.0030.06011.54
5.2.60.0030.04711.39
5.2.50.0100.06011.45
5.2.40.0030.03011.33
5.2.30.0070.06311.20
5.2.20.0030.03711.22
5.2.10.0030.06311.24
5.2.00.0070.03711.13
5.1.60.0000.05710.44
5.1.50.0100.03310.46
5.1.40.0030.04010.27
5.1.30.0030.05710.76
5.1.20.0030.03310.68
5.1.10.0030.05010.45
5.1.00.0070.03310.39
5.0.50.0030.0278.98
5.0.40.0000.0478.86
5.0.30.0100.0578.59
5.0.20.0070.0408.50
5.0.10.0030.0378.44
5.0.00.0030.0608.52
4.4.90.0000.0377.94
4.4.80.0000.0207.94
4.4.70.0030.0207.94
4.4.60.0030.0177.94
4.4.50.0000.0207.94
4.4.40.0030.0237.94
4.4.30.0070.0277.94
4.4.20.0000.0277.94
4.4.10.0030.0277.94
4.4.00.0070.0307.94
4.3.110.0000.0377.94
4.3.100.0000.0377.94
4.3.90.0000.0337.94
4.3.80.0000.0537.94
4.3.70.0000.0177.94
4.3.60.0070.0177.94
4.3.50.0000.0207.94
4.3.40.0000.0277.94
4.3.30.0000.0177.94
4.3.20.0000.0307.94
4.3.10.0030.0137.94
4.3.00.0030.0177.94

preferences:
51.16 ms | 400 KiB | 5 Q