3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); header("X-WTFIDONTEVEN: true"); if (headers_sent()) { echo "sent"; } else { echo "not sent"; } echo "\n"; var_dump(headers_list()); ob_end_flush(); echo "\n"; var_dump(headers_list());

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)
8.3.60.0070.01416.63
8.3.50.0140.00721.93
8.3.40.0040.01118.54
8.3.30.0100.00319.04
8.3.20.0070.00720.21
8.3.10.0090.00921.63
8.3.00.0040.01520.80
8.2.180.0120.00317.93
8.2.170.0120.00322.96
8.2.160.0070.01020.53
8.2.150.0150.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0160.00320.72
8.2.110.0070.01720.35
8.2.100.0080.00418.86
8.2.90.0040.00417.63
8.2.80.0080.00017.97
8.2.70.0060.00317.66
8.2.60.0040.00417.91
8.2.50.0030.00618.10
8.2.40.0000.00822.32
8.2.30.0040.00418.12
8.2.20.0040.00417.42
8.2.10.0070.00017.85
8.2.00.0050.00217.61
8.1.280.0070.00725.92
8.1.270.0040.00423.59
8.1.260.0100.00326.35
8.1.250.0080.00028.09
8.1.240.0000.00923.97
8.1.230.0110.00019.05
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0000.00817.10
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0050.00221.97
8.1.150.0100.00018.43
8.1.140.0080.00317.32
8.1.130.0000.00817.80
8.1.120.0070.00017.31
8.1.110.0040.00417.36
8.1.100.0000.00717.21
8.1.90.0070.00017.23
8.1.80.0000.00717.29
8.1.70.0080.00017.18
8.1.60.0060.00317.41
8.1.50.0060.00317.29
8.1.40.0040.00417.38
8.1.30.0090.00317.45
8.1.20.0000.00717.46
8.1.10.0040.00417.45
8.1.00.0000.00917.29
8.0.300.0090.00019.63
8.0.290.0000.00816.63
8.0.280.0030.00318.26
8.0.270.0020.00717.10
8.0.260.0030.00317.18
8.0.250.0030.00316.76
8.0.240.0000.01116.84
8.0.230.0030.00316.86
8.0.220.0030.00316.75
8.0.210.0000.00716.76
8.0.200.0000.00716.70
8.0.190.0000.00716.80
8.0.180.0050.00216.78
8.0.170.0030.00516.77
8.0.160.0040.00416.82
8.0.150.0030.00316.65
8.0.140.0040.00416.62
8.0.130.0030.00513.20
8.0.120.0040.00416.77
8.0.110.0000.00716.77
8.0.100.0040.00416.63
8.0.90.0050.00316.63
8.0.80.0030.01216.76
8.0.70.0000.00816.81
8.0.60.0000.00716.82
8.0.50.0000.00716.77
8.0.30.0130.00617.06
8.0.20.0140.00917.40
8.0.10.0000.00716.91
8.0.00.0130.00516.53
7.4.330.0030.00315.00
7.4.320.0060.00016.36
7.4.300.0000.00716.37
7.4.290.0030.00516.29
7.4.280.0070.00016.46
7.4.270.0000.00716.36
7.4.260.0000.00716.45
7.4.250.0000.00716.32
7.4.240.0040.00316.36
7.4.230.0000.00716.34
7.4.220.0060.01216.42
7.4.210.0080.00716.54
7.4.200.0000.00716.28
7.4.190.0000.00716.34
7.4.160.0190.00416.43
7.4.150.0080.01117.40
7.4.140.0100.01017.86
7.4.130.0110.00616.51
7.4.120.0110.00616.41
7.4.110.0100.01016.30
7.4.100.0130.00916.27
7.4.90.0100.00716.45
7.4.80.0030.01519.39
7.4.70.0130.00316.53
7.4.60.0150.00916.47
7.4.50.0020.00216.30
7.4.40.0100.00616.53
7.4.30.0120.00616.59
7.4.00.0060.01114.80
7.3.330.0020.00212.98
7.3.320.0000.00712.79
7.3.310.0040.00416.20
7.3.300.0030.00316.12
7.3.290.0140.00016.14
7.3.280.0070.01416.13
7.3.270.0100.00717.40
7.3.260.0100.00716.22
7.3.250.0110.00616.22
7.3.240.0100.00716.23
7.3.230.0060.01016.47
7.3.210.0090.00916.22
7.3.200.0150.00819.39
7.3.190.0090.00916.33
7.3.180.0090.00616.48
7.3.170.0040.01416.33
7.3.160.0060.01016.36
7.3.120.0110.00614.69
7.3.110.0030.01414.61
7.3.100.0060.00914.91
7.3.90.0040.00814.90
7.3.80.0070.00714.39
7.3.70.0030.01014.75
7.3.60.0000.01314.84
7.3.50.0040.00414.48
7.3.40.0090.00314.80
7.3.30.0000.00914.48
7.3.20.0060.00316.51
7.3.10.0150.00016.71
7.3.00.0070.01016.57
7.2.330.0090.00816.39
7.2.320.0030.02016.59
7.2.310.0120.00616.56
7.2.300.0060.01016.33
7.2.290.0080.00816.55
7.2.250.0040.01415.06
7.2.240.0030.01714.73
7.2.230.0030.01214.73
7.2.220.0060.00614.52
7.2.210.0070.00714.82
7.2.200.0040.01114.96
7.2.190.0030.00714.98
7.2.180.0060.00914.89
7.2.170.0000.00915.09
7.1.330.0070.00715.74
7.1.320.0030.00615.72
7.1.310.0040.00815.76
7.1.300.0060.00915.86
7.1.290.0030.01015.58
7.1.280.0070.00415.67
7.1.270.0040.00715.54
7.1.260.0080.00815.34
7.1.70.0030.00917.11
7.1.60.0070.01719.46
7.1.50.0100.01016.83
7.1.00.0000.08022.28
7.0.200.0130.00016.73
7.0.140.0030.07322.07
7.0.100.0130.07720.03
7.0.90.0130.08319.97
7.0.80.0100.07720.11
7.0.70.0130.07320.12
7.0.60.0070.06720.05
7.0.50.0070.07320.29
7.0.40.0100.04320.10
7.0.30.0030.08320.09
7.0.20.0030.05320.05
7.0.10.0130.08020.09
7.0.00.0130.05320.07
5.6.280.0070.07021.12
5.6.250.0100.07720.53
5.6.240.0030.06020.67
5.6.230.0070.07020.50
5.6.220.0030.08320.59
5.6.210.0030.05320.65
5.6.200.0070.07021.04
5.6.190.0030.07721.03
5.6.180.0200.07021.03
5.6.170.0170.04021.07
5.6.160.0170.03720.98
5.6.150.0070.08020.95
5.6.140.0170.06720.99
5.6.130.0030.06320.94
5.6.120.0100.08721.00
5.6.110.0070.05021.02
5.6.100.0070.06721.02
5.6.90.0100.08721.11
5.6.80.0100.07320.34
5.6.70.0000.08020.41
5.6.60.0070.05020.44
5.6.50.0100.07720.54
5.6.40.0130.07720.30
5.6.30.0100.08020.27
5.6.20.0030.07320.36
5.6.10.0030.08320.43
5.6.00.0000.08020.29
5.5.380.0030.08320.34
5.5.370.0170.07020.36
5.5.360.0100.08720.43
5.5.350.0030.08020.36
5.5.340.0000.05320.89
5.5.330.0070.07020.79
5.5.320.0130.07720.83
5.5.310.0130.08020.76
5.5.300.0100.08320.64
5.5.290.0130.07320.86
5.5.280.0030.09020.77
5.5.270.0130.07720.63
5.5.260.0070.07720.85
5.5.250.0070.08020.68
5.5.240.0200.05320.14
5.5.230.0170.07020.24
5.5.220.0030.07720.01
5.5.210.0030.04720.00
5.5.200.0130.07320.13
5.5.190.0100.09320.13
5.5.180.0100.08019.98
5.5.160.0100.08019.95
5.5.150.0200.06320.09
5.5.140.0100.07020.13
5.5.130.0070.08320.12
5.5.120.0070.08020.16
5.5.110.0030.05020.19
5.5.100.0070.04319.97
5.5.90.0070.04020.14
5.5.80.0130.08020.10
5.5.70.0100.07720.02
5.5.60.0030.05320.05
5.5.50.0100.04320.04
5.5.40.0070.07320.13
5.5.30.0170.05020.01
5.5.20.0070.07320.02
5.5.10.0070.07720.04
5.5.00.0030.07320.10
5.4.450.0130.06319.37
5.4.440.0030.05719.37
5.4.430.0070.06719.13
5.4.420.0130.06719.11
5.4.410.0200.06319.29
5.4.400.0100.06719.07
5.4.390.0100.04019.13
5.4.380.0070.07319.05
5.4.370.0100.07318.98
5.4.360.0030.05718.81
5.4.350.0030.07719.11
5.4.340.0130.06019.09
5.4.320.0070.04718.95
5.4.310.0100.05018.98
5.4.300.0070.04319.09
5.4.290.0100.06718.98
5.4.280.0100.07019.02
5.4.270.0070.06019.12
5.4.260.0130.06319.12
5.4.250.0070.03719.12
5.4.240.0030.06719.02
5.4.230.0030.04319.02
5.4.220.0070.06319.09
5.4.210.0030.07318.80
5.4.200.0030.08318.77
5.4.190.0100.07319.02
5.4.180.0030.08019.09
5.4.170.0100.04018.89
5.4.160.0130.05018.92
5.4.150.0170.06319.21
5.4.140.0070.07716.35
5.4.130.0100.06716.34
5.4.120.0100.07316.36
5.4.110.0170.03316.40
5.4.100.0070.06016.30
5.4.90.0170.06316.29
5.4.80.0130.06716.24
5.4.70.0070.07316.25
5.4.60.0070.06716.28
5.4.50.0030.07016.40
5.4.40.0070.07016.41
5.4.30.0070.07716.51
5.4.20.0130.07016.20
5.4.10.0130.03316.39
5.4.00.0070.05015.71
5.3.290.0070.07714.66
5.3.280.0030.07314.57
5.3.270.0070.04314.43
5.3.260.0030.07714.59
5.3.250.0000.04314.60
5.3.240.0100.07714.46
5.3.230.0100.04314.56
5.3.220.0130.07014.39
5.3.210.0030.07714.42
5.3.200.0100.06714.50
5.3.190.0030.04314.50
5.3.180.0170.06314.57
5.3.170.0070.06714.55
5.3.160.0100.06314.42
5.3.150.0070.08014.55
5.3.140.0070.06714.55
5.3.130.0030.05014.45
5.3.120.0130.07314.54
5.3.110.0070.04314.54
5.3.100.0030.04313.89
5.3.90.0100.07713.87
5.3.80.0070.07313.88
5.3.70.0030.05314.02
5.3.60.0070.04713.94
5.3.50.0070.06013.93
5.3.40.0100.04313.88
5.3.30.0000.04313.77
5.3.20.0070.07313.65
5.3.10.0070.06313.65
5.3.00.0070.06313.62
5.2.170.0000.03711.11
5.2.160.0130.05011.21
5.2.150.0130.04010.99
5.2.140.0000.04711.15
5.2.130.0000.06011.17
5.2.120.0170.05011.14
5.2.110.0030.06311.14
5.2.100.0070.06010.93
5.2.90.0000.03710.96
5.2.80.0100.06010.95
5.2.70.0100.05010.91
5.2.60.0070.06311.00
5.2.50.0070.05711.02
5.2.40.0170.05010.86
5.2.30.0000.04010.81
5.2.20.0070.06010.90
5.2.10.0030.06010.78
5.2.00.0000.06310.57
5.1.60.0100.04710.04
5.1.50.0070.05710.04
5.1.40.0000.0579.85
5.1.30.0030.06010.28
5.1.20.0000.05010.40
5.1.10.0030.05310.05
5.1.00.0000.06010.09
5.0.50.0070.0438.64
5.0.40.0030.0478.64
5.0.30.0000.0678.64
5.0.20.0070.0408.64
5.0.10.0100.0278.64
5.0.00.0100.0608.64
4.4.90.0070.0308.64
4.4.80.0100.0308.64
4.4.70.0030.0178.64
4.4.60.0000.0238.64
4.4.50.0000.0308.64
4.4.40.0030.0408.64
4.4.30.0030.0208.64
4.4.20.0070.0338.64
4.4.10.0030.0338.64
4.4.00.0000.0608.64
4.3.110.0000.0338.64
4.3.100.0030.0238.64
4.3.90.0000.0338.64
4.3.80.0070.0478.64
4.3.70.0000.0238.64
4.3.60.0000.0408.64
4.3.50.0000.0378.64
4.3.40.0000.0438.64
4.3.30.0000.0378.64
4.3.20.0030.0238.64
4.3.10.0000.0238.64
4.3.00.0000.0308.64

preferences:
43.95 ms | 401 KiB | 5 Q