3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); header('X-Custom-Header: test'); register_shutdown_function(function () { var_dump( headers_sent() ); });

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)
8.3.40.0080.00818.54
8.3.30.0100.00320.23
8.3.20.0050.00220.29
8.3.10.0060.00322.00
8.3.00.0030.00622.34
8.2.170.0070.00722.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.01126.16
8.2.120.0050.00519.65
8.2.110.0030.00619.21
8.2.100.0040.00817.91
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.68
8.2.50.0030.00618.10
8.2.40.0000.00818.28
8.2.30.0000.00918.13
8.2.20.0060.00317.72
8.2.10.0000.00717.69
8.2.00.0040.00417.66
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.12
8.1.230.0070.00417.76
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00717.35
8.1.190.0050.00317.22
8.1.180.0000.00918.10
8.1.170.0030.00518.48
8.1.160.0050.00322.02
8.1.150.0040.00418.46
8.1.140.0000.00717.39
8.1.130.0040.00417.78
8.1.120.0000.00717.40
8.1.110.0080.00017.41
8.1.100.0080.00017.31
8.1.90.0030.00417.47
8.1.80.0040.00417.43
8.1.70.0060.00017.38
8.1.60.0030.00517.42
8.1.50.0030.00517.38
8.1.40.0050.00317.50
8.1.30.0070.00017.40
8.1.20.0040.00417.50
8.1.10.0040.00417.41
8.1.00.0050.00217.31
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0070.00018.25
8.0.270.0070.00017.12
8.0.260.0000.00616.63
8.0.250.0030.00316.85
8.0.240.0060.00316.79
8.0.230.0080.00016.82
8.0.220.0000.00716.77
8.0.210.0030.00316.70
8.0.200.0040.00416.82
8.0.190.0080.00016.76
8.0.180.0070.00016.85
8.0.170.0040.00416.75
8.0.160.0000.00716.76
8.0.150.0050.00516.68
8.0.140.0040.00416.71
8.0.130.0030.00313.27
8.0.120.0000.00816.75
8.0.110.0080.00016.70
8.0.100.0040.00416.73
8.0.90.0000.00816.87
8.0.80.0100.01016.80
8.0.70.0040.00416.81
8.0.60.0070.00016.84
8.0.50.0030.00316.72
8.0.30.0100.00816.88
8.0.20.0090.01017.40
8.0.10.0050.00216.78
8.0.00.0140.00516.68
7.4.330.0050.00015.00
7.4.320.0030.00316.33
7.4.300.0030.00316.55
7.4.290.0040.00416.54
7.4.280.0000.00716.55
7.4.270.0070.00016.44
7.4.260.0070.00016.37
7.4.250.0000.00716.33
7.4.240.0050.00216.54
7.4.230.0000.00716.33
7.4.220.0110.01116.43
7.4.210.0090.00716.45
7.4.200.0050.00216.32
7.4.190.0050.00316.24
7.4.160.0080.00816.46
7.4.150.0110.00717.40
7.4.140.0080.01017.86
7.4.130.0130.00316.54
7.4.120.0130.00716.43
7.4.110.0080.01216.20
7.4.100.0100.00816.40
7.4.90.0070.01016.36
7.4.80.0000.02019.39
7.4.70.0040.01216.39
7.4.60.0100.00716.38
7.4.50.0040.00016.42
7.4.40.0030.01322.77
7.4.30.0030.01216.51
7.4.10.0070.00714.73
7.4.00.0060.01014.87
7.3.330.0050.00013.02
7.3.320.0060.00013.10
7.3.310.0030.00316.22
7.3.300.0030.00316.25
7.3.290.0110.00316.17
7.3.280.0050.01116.22
7.3.270.0170.00017.40
7.3.260.0140.00316.25
7.3.250.0100.00716.38
7.3.240.0130.00916.54
7.3.230.0030.01316.39
7.3.210.0120.00416.18
7.3.200.0090.00919.39
7.3.190.0130.01016.16
7.3.180.0030.01616.27
7.3.170.0040.01116.45
7.3.160.0070.01016.29
7.3.130.0040.01114.83
7.3.120.0060.01014.76
7.3.110.0090.00814.85
7.3.100.0100.00714.81
7.3.90.0110.00314.80
7.3.80.0020.01014.65
7.3.70.0080.00714.68
7.3.60.0080.00714.71
7.3.50.0070.00914.67
7.3.40.0030.01014.69
7.3.30.0060.00914.72
7.3.20.0070.00816.49
7.3.10.0090.00616.51
7.3.00.0060.00516.56
7.2.330.0110.00616.53
7.2.320.0050.01416.60
7.2.310.0100.00716.23
7.2.300.0090.00916.29
7.2.290.0100.01316.39
7.2.260.0030.01514.76
7.2.250.0060.01114.86
7.2.240.0080.00814.90
7.2.230.0030.01214.64
7.2.220.0080.00814.97
7.2.210.0050.00914.91
7.2.200.0050.01014.82
7.2.190.0080.00714.77
7.2.180.0000.01615.08
7.2.170.0070.00814.85
7.2.160.0000.00914.97
7.2.150.0030.01416.66
7.2.140.0070.00716.92
7.2.130.0030.01216.68
7.2.120.0030.00916.74
7.2.110.0000.01316.47
7.2.100.0000.01316.84
7.2.90.0070.01116.97
7.2.80.0000.01116.38
7.2.70.0060.00616.68
7.2.60.0110.00316.73
7.2.50.0090.00316.83
7.2.40.0060.00616.81
7.2.30.0090.00616.77
7.2.20.0050.00516.87
7.2.10.0000.01416.86
7.2.00.0080.00717.93
7.1.330.0100.00515.46
7.1.320.0050.00915.65
7.1.310.0050.01015.64
7.1.300.0060.01015.71
7.1.290.0030.00915.75
7.1.280.0070.00715.78
7.1.270.0060.00815.54
7.1.260.0030.00615.55
7.1.250.0000.01715.59
7.1.240.0070.00715.66
7.1.230.0030.00715.54
7.1.220.0060.00315.84
7.1.210.0110.00015.70
7.1.200.0060.00615.65
7.1.190.0030.01015.79
7.1.180.0070.00415.72
7.1.170.0040.00715.46
7.1.160.0090.00615.57
7.1.150.0110.00315.53
7.1.140.0040.00415.74
7.1.130.0040.01115.60
7.1.120.0060.00615.52
7.1.110.0060.00615.85
7.1.100.0050.00716.91
7.1.90.0080.00815.73
7.1.80.0030.01015.71
7.1.70.0040.00616.37
7.1.60.0080.01317.51
7.1.50.0080.01016.30
7.1.40.0140.00015.60
7.1.30.0090.00315.52
7.1.20.0040.00715.66
7.1.10.0070.00415.68
7.1.00.0080.01719.18
7.0.330.0060.01015.05
7.0.320.0040.00715.08
7.0.310.0060.00615.11
7.0.300.0090.00315.06
7.0.290.0030.01415.09
7.0.280.0040.00415.02
7.0.270.0040.00415.11
7.0.260.0030.00615.13
7.0.250.0110.00415.28
7.0.240.0060.00815.29
7.0.230.0040.00715.53
7.0.220.0070.01015.40
7.0.210.0090.00315.32
7.0.200.0040.00715.82
7.0.190.0070.00715.43
7.0.180.0070.00715.43
7.0.170.0070.00715.32
7.0.160.0000.01215.35
7.0.150.0000.01015.27
7.0.140.0070.04018.63
7.0.130.0060.00615.00
7.0.120.0100.00315.26
7.0.110.0110.00415.09
7.0.100.0000.01315.27
7.0.90.0030.01015.29
7.0.80.0000.01114.98
7.0.70.0030.00915.44
7.0.60.0070.03617.58
7.0.50.0020.03316.67
7.0.40.0050.02416.51
7.0.30.0130.05016.94
7.0.20.0190.04216.81
7.0.10.0120.03416.89
7.0.00.0020.03616.69
5.6.400.0030.00713.96
5.6.390.0000.01214.43
5.6.380.0060.00814.41
5.6.370.0090.00614.23
5.6.360.0000.00913.80
5.6.350.0070.01014.30
5.6.340.0060.00614.46
5.6.330.0030.01013.93
5.6.320.0030.00613.96
5.6.310.0070.01014.09
5.6.300.0090.00614.28
5.6.290.0040.00714.12
5.6.280.0020.04017.52
5.6.270.0040.00814.14
5.6.260.0030.01114.12
5.6.250.0040.01114.04
5.6.240.0070.00714.13
5.6.230.0030.01014.13
5.6.220.0000.00814.01
5.6.210.0050.03817.31
5.6.200.0080.03316.22
5.6.190.0150.04017.35
5.6.180.0130.04117.42
5.6.170.0180.02817.26
5.6.160.0060.02617.21
5.6.150.0070.02016.35
5.6.140.0050.03516.17
5.6.130.0060.02316.22
5.6.120.0050.02617.80
5.6.110.0110.02717.76
5.6.100.0110.04317.44
5.6.90.0100.04217.70
5.6.80.0070.03017.21
5.6.70.0040.01113.91
5.6.60.0090.00913.95
5.6.50.0080.00914.30
5.6.40.0080.00714.32
5.6.30.0080.00613.81
5.6.20.0070.00714.25
5.6.10.0070.00714.16
5.6.00.0040.01113.91
5.5.380.0040.01113.86
5.5.370.0060.00914.10
5.5.360.0030.00914.60
5.5.350.0070.03817.23
5.5.340.0030.04316.22
5.5.330.0110.04317.22
5.5.320.0150.03117.23
5.5.310.0130.02617.16
5.5.300.0080.04016.19
5.5.290.0080.03215.97
5.5.280.0040.02617.53
5.5.270.0040.03717.54
5.5.260.0050.02517.42
5.5.250.0050.02317.34
5.5.240.0110.03417.02
5.5.230.0100.00714.16
5.5.220.0070.00414.08
5.5.210.0000.01514.22
5.5.200.0040.01114.11
5.5.190.0090.00614.11
5.5.180.0070.00414.21
5.5.170.0060.00613.82
5.5.160.0070.00314.13
5.5.150.0070.01113.93
5.5.140.0070.00713.98
5.5.130.0100.00713.73
5.5.120.0080.00314.08
5.5.110.0030.00914.11
5.5.100.0070.00714.12
5.5.90.0040.00814.14
5.5.80.0060.01014.21
5.5.70.0090.00614.16
5.5.60.0090.00614.18
5.5.50.0080.00614.15
5.5.40.0030.00914.06
5.5.30.0000.00914.07
5.5.20.0040.00814.21
5.5.10.0100.00713.91
5.5.00.0030.01013.99
5.4.450.0450.03615.80
5.4.440.0120.03015.93
5.4.430.0150.03215.81
5.4.420.0120.04515.81
5.4.410.0200.03215.68
5.4.400.0210.03915.46
5.4.390.0260.03115.34
5.4.380.0160.02815.39
5.4.370.0070.03015.42
5.4.360.0080.03015.45
5.4.350.0060.01912.09
5.4.340.0050.02012.08
5.4.330.0000.01212.16
5.4.320.0050.03012.33
5.4.310.0040.02312.33
5.4.300.0070.02212.33
5.4.290.0040.02112.33
5.4.280.0010.02412.28
5.4.270.0090.01912.28
5.4.260.0040.02212.28
5.4.250.0100.03115.54
5.4.240.0100.02515.45
5.4.230.0050.03015.39
5.4.220.0020.04215.62
5.4.210.0070.03715.57
5.4.200.0060.04115.53
5.4.190.0080.02915.52
5.4.180.0080.03715.54
5.4.170.0030.03315.47
5.4.160.0080.03015.52
5.4.150.0000.03415.46
5.4.140.0090.03114.37
5.4.130.0090.02414.28
5.4.120.0050.03114.35
5.4.110.0050.03214.40
5.4.100.0080.03514.31
5.4.90.0070.02514.25
5.4.80.0030.03214.31
5.4.70.0100.03314.26
5.4.60.0030.03914.34
5.4.50.0080.02614.30
5.4.40.0030.04214.33
5.4.30.0050.03014.26
5.4.20.0090.02714.21
5.4.10.0070.02814.24
5.4.00.0030.02814.01
5.3.290.0070.02212.48
5.3.280.0080.02313.41
5.3.270.0070.02913.42
5.3.260.0090.02213.33
5.3.250.0090.04213.42
5.3.240.0030.03013.37
5.3.230.0080.02513.41
5.3.220.0070.02913.37
5.3.210.0030.03213.28
5.3.200.0070.02513.38
5.3.190.0030.03213.40
5.3.180.0050.02813.36
5.3.170.0060.04113.36
5.3.160.0080.02513.47
5.3.150.0080.03013.36
5.3.140.0030.02813.34
5.3.130.0080.02613.40
5.3.120.0090.03913.39
5.3.110.0070.03413.38
5.3.100.0080.03013.13
5.3.90.0090.03213.04
5.3.80.0060.02813.13
5.3.70.0060.03613.08
5.3.60.0070.02813.12
5.3.50.0080.02513.09
5.3.40.0040.03013.05
5.3.30.0050.02813.08
5.3.20.0050.03313.01
5.3.10.0050.02712.89
5.3.00.0120.02312.90
5.2.170.0030.06311.15
5.2.160.0070.05711.14
5.2.150.0070.05011.07
5.2.140.0070.04310.97
5.2.130.0100.04311.02
5.2.120.0030.04710.86
5.2.110.0030.04311.00
5.2.100.0100.04311.03
5.2.90.0200.04311.01
5.2.80.0100.06310.92
5.2.70.0070.06011.11
5.2.60.0000.05711.06
5.2.50.0070.05710.85
5.2.40.0030.04011.02
5.2.30.0100.04010.73
5.2.20.0070.03710.95
5.2.10.0170.03010.94
5.2.00.0100.05710.79
5.1.60.0070.03310.03
5.1.50.0100.03010.14
5.1.40.0030.04010.23
5.1.30.0070.04010.25
5.1.20.0030.03710.12
5.1.10.0130.04310.21
5.1.00.0030.04310.09
5.0.50.0070.0278.48
5.0.40.0030.0308.44
5.0.30.0030.0438.28
5.0.20.0100.0308.25
5.0.10.0070.0238.16
5.0.00.0000.0478.21
4.4.90.0030.0307.38
4.4.80.0000.0277.38
4.4.70.0000.0237.38
4.4.60.0100.0237.38
4.4.50.0030.0207.38
4.4.40.0000.0407.38
4.4.30.0030.0307.38
4.4.20.0100.0237.38
4.4.10.0070.0207.38
4.4.00.0000.0337.38
4.3.110.0030.0237.38
4.3.100.0030.0207.38
4.3.90.0030.0237.38
4.3.80.0030.0437.38
4.3.70.0030.0207.38
4.3.60.0130.0107.38
4.3.50.0030.0207.38
4.3.40.0070.0307.38
4.3.30.0000.0237.38
4.3.20.0000.0237.38
4.3.10.0170.0207.38
4.3.00.0170.0205.42

preferences:
43.02 ms | 400 KiB | 5 Q