3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); function level(){ function level2(){ echo 'Text that won\'t get displayed.'; } } level('level2'); echo "\n"; var_dump(ob_get_level()); ?>

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)
8.3.60.0140.00718.43
8.3.50.0100.00821.14
8.3.40.0070.01418.67
8.3.30.0090.00620.34
8.3.20.0040.00418.60
8.3.10.0080.00021.14
8.3.00.0080.00022.51
8.2.180.0120.00916.38
8.2.170.0100.01022.96
8.2.160.0070.01020.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0050.00522.20
8.2.100.0110.00017.66
8.2.90.0040.00419.05
8.2.80.0040.00419.24
8.2.70.0030.00617.50
8.2.60.0000.00817.79
8.2.50.0030.00518.07
8.2.40.0040.00419.95
8.2.30.0000.00719.48
8.2.20.0030.00517.65
8.2.10.0080.00017.73
8.2.00.0040.00417.66
8.1.280.0130.01325.92
8.1.270.0070.00023.99
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0000.01722.39
8.1.230.0120.00021.03
8.1.220.0060.00318.77
8.1.210.0040.00418.97
8.1.200.0090.00017.13
8.1.190.0000.00717.39
8.1.180.0080.00018.10
8.1.170.0040.00418.65
8.1.160.0000.00718.82
8.1.150.0040.00418.56
8.1.140.0040.00417.43
8.1.130.0000.00717.76
8.1.120.0040.00417.29
8.1.110.0020.00517.38
8.1.100.0050.00217.36
8.1.90.0000.00817.28
8.1.80.0070.00017.31
8.1.70.0050.00317.32
8.1.60.0000.00717.49
8.1.50.0080.00017.42
8.1.40.0000.00817.33
8.1.30.0000.00717.54
8.1.20.0030.00617.48
8.1.10.0000.00817.51
8.1.00.0080.00017.32
8.0.300.0040.00420.02
8.0.290.0000.00717.04
8.0.280.0000.00718.32
8.0.270.0030.00317.13
8.0.260.0000.00716.77
8.0.250.0040.00416.78
8.0.240.0040.00416.92
8.0.230.0030.00316.77
8.0.220.0000.00716.73
8.0.210.0030.00316.77
8.0.200.0030.00316.86
8.0.190.0030.00316.82
8.0.180.0050.00216.91
8.0.170.0070.00016.82
8.0.160.0030.00316.78
8.0.150.0000.00716.66
8.0.140.0030.00616.63
8.0.130.0030.00313.26
8.0.120.0080.00016.80
8.0.110.0040.00416.77
8.0.100.0000.00716.89
8.0.90.0050.00316.86
8.0.80.0120.00616.70
8.0.70.0070.00016.95
8.0.60.0000.00716.85
8.0.50.0000.00816.68
8.0.30.0120.00617.18
8.0.20.0100.00817.40
8.0.10.0000.00716.80
8.0.00.0090.00916.60
7.4.330.0000.00516.77
7.4.320.0000.00616.44
7.4.300.0030.00316.43
7.4.290.0030.00316.42
7.4.280.0030.00516.38
7.4.270.0000.00716.46
7.4.260.0000.00613.21
7.4.250.0060.00316.53
7.4.240.0070.00016.55
7.4.230.0070.00016.43
7.4.220.0060.01216.56
7.4.210.0080.00916.49
7.4.200.0000.00716.54
7.4.190.0030.00316.40
7.4.160.0090.00916.54
7.4.150.0150.00617.40
7.4.140.0140.00417.86
7.4.130.0100.00716.44
7.4.120.0150.00216.37
7.4.110.0060.01916.36
7.4.100.0070.01616.44
7.4.90.0140.00916.23
7.4.80.0100.01019.39
7.4.70.0120.00616.61
7.4.60.0150.00316.43
7.4.50.0060.00316.53
7.4.40.0060.00922.77
7.4.30.0030.01816.51
7.4.00.0100.00314.98
7.3.330.0050.00013.23
7.3.320.0000.00513.06
7.3.310.0030.00316.16
7.3.300.0050.00316.07
7.3.290.0060.01216.20
7.3.280.0120.00616.28
7.3.270.0100.00717.40
7.3.260.0160.00518.24
7.3.250.0100.00616.36
7.3.240.0120.00316.52
7.3.230.0040.01416.39
7.3.210.0100.00716.30
7.3.200.0090.01219.39
7.3.190.0090.00916.45
7.3.180.0100.00616.16
7.3.170.0130.01016.34
7.3.160.0100.00616.32
7.3.120.0100.00714.61
7.3.10.0000.01516.70
7.3.00.0040.00416.44
7.2.330.0140.00616.68
7.2.320.0120.00616.33
7.2.310.0150.00616.63
7.2.300.0030.01416.72
7.2.290.0060.01216.60
7.2.130.0060.00916.60
7.2.120.0060.00616.57
7.2.110.0110.00316.82
7.2.100.0040.00816.82
7.2.90.0040.00816.88
7.2.80.0000.01316.70
7.2.70.0000.01116.88
7.2.60.0070.00616.70
7.2.50.0050.00816.92
7.2.40.0120.00016.87
7.2.30.0100.00316.95
7.2.20.0120.00016.82
7.2.10.0100.00317.02
7.2.00.0040.00816.86
7.1.250.0030.00715.65
7.1.200.0060.00615.68
7.1.70.0060.00617.25
7.1.60.0070.01719.24
7.1.50.0060.00616.87
7.1.00.0130.05722.58
7.0.200.0090.00916.56
7.0.140.0070.06721.94
7.0.100.0230.05719.98
7.0.90.0170.07720.13
7.0.80.0100.08020.13
7.0.70.0170.06719.95
7.0.60.0330.05319.96
7.0.50.0170.05020.34
7.0.40.0030.08020.13
7.0.30.0070.04719.95
7.0.20.0000.05720.09
7.0.10.0100.06320.10
7.0.00.0030.05320.18
5.6.280.0000.07320.92
5.6.250.0000.07720.73
5.6.240.0070.05020.64
5.6.230.0070.05020.64
5.6.220.0100.04320.65
5.6.210.0030.05320.48
5.6.200.0100.04021.02
5.6.190.0200.06021.09
5.6.180.0100.09021.11
5.6.170.0070.04721.04
5.6.160.0070.04021.09
5.6.150.0100.08321.04
5.6.140.0130.07721.09
5.6.130.0000.07721.04
5.6.120.0100.05020.96
5.6.110.0130.07721.13
5.6.100.0100.06721.05
5.6.90.0100.05020.91
5.6.80.0200.06720.56
5.6.70.0100.05320.43
5.6.60.0130.08020.40
5.6.50.0100.03720.35
5.6.40.0000.04320.47
5.6.30.0030.04020.54
5.6.20.0030.04020.52
5.6.10.0000.04320.31
5.6.00.0030.04020.43
5.5.380.0300.05720.50
5.5.370.0030.08020.37
5.5.360.0100.04720.41
5.5.350.0100.07720.37
5.5.340.0100.07020.89
5.5.330.0100.07720.91
5.5.320.0100.08320.93
5.5.310.0230.07020.93
5.5.300.0230.06720.87
5.5.290.0070.06720.83
5.5.280.0100.08020.64
5.5.270.0130.07020.92
5.5.260.0070.08720.88
5.5.250.0030.05320.69
5.5.240.0100.03720.18
5.5.230.0200.06720.20
5.5.220.0170.07020.16
5.5.210.0030.04720.30
5.5.200.0030.04320.27
5.5.190.0030.04020.28
5.5.180.0100.03720.26
5.5.160.0100.03320.19
5.5.150.0000.04320.24
5.5.140.0030.04020.21
5.5.130.0100.05020.28
5.5.120.0070.03319.99
5.5.110.0070.04720.14
5.5.100.0100.07320.10
5.5.90.0070.03719.95
5.5.80.0070.03720.01
5.5.70.0100.06720.13
5.5.60.0000.03720.09
5.5.50.0030.05020.16
5.5.40.0000.04020.06
5.5.30.0030.03720.09
5.5.20.0070.04720.10
5.5.10.0030.04020.11
5.5.00.0100.03720.04
5.4.450.0030.08319.47
5.4.440.0170.07719.56
5.4.430.0100.08019.36
5.4.420.0070.04319.36
5.4.410.0130.03719.23
5.4.400.0030.04018.85
5.4.390.0130.06019.05
5.4.380.0070.07319.20
5.4.370.0100.03319.18
5.4.360.0100.03318.88
5.4.350.0030.04019.21
5.4.340.0030.04018.88
5.4.320.0070.03718.96
5.4.310.0000.04318.95
5.4.300.0070.03319.04
5.4.290.0000.03719.04
5.4.280.0070.07018.84
5.4.270.0030.07319.04
5.4.260.0000.03318.95
5.4.250.0000.04319.14
5.4.240.0030.04019.22
5.4.230.0130.06719.17
5.4.220.0030.05719.13
5.4.210.0000.05319.13
5.4.200.0030.04018.87
5.4.190.0000.04019.04
5.4.180.0030.04319.15
5.4.170.0000.04019.02
5.4.160.0000.03719.11
5.4.150.0100.03719.16
5.4.140.0030.03716.48
5.4.130.0070.03316.51
5.4.120.0030.03316.55
5.4.110.0000.03716.54
5.4.100.0030.03716.38
5.4.90.0000.03316.45
5.4.80.0170.02316.51
5.4.70.0030.03716.43
5.4.60.0070.03316.46
5.4.50.0130.02316.44
5.4.40.0070.03716.45
5.4.30.0030.03016.41
5.4.20.0070.03016.32
5.4.10.0000.05716.24
5.4.00.0130.05715.79
5.3.290.0000.04014.78
5.3.280.0070.04714.71
5.3.270.0000.04314.63
5.3.260.0000.04014.76
5.3.250.0030.04014.64
5.3.240.0100.03014.63
5.3.230.0000.04014.71
5.3.220.0070.03314.72
5.3.210.0000.04714.57
5.3.200.0100.03014.64
5.3.190.0030.04014.64
5.3.180.0070.03314.59
5.3.170.0100.03014.68
5.3.160.0000.03714.59
5.3.150.0070.03014.66
5.3.140.0070.04714.62
5.3.130.0070.03314.57
5.3.120.0030.07314.59
5.3.110.0070.07314.68
5.3.100.0030.04714.03
5.3.90.0070.07714.03
5.3.80.0030.07314.11
5.3.70.0130.06714.07
5.3.60.0000.08014.05
5.3.50.0030.07713.95
5.3.40.0070.07714.06
5.3.30.0030.08013.96
5.3.20.0100.03313.60
5.3.10.0100.06713.58
5.3.00.0070.07713.76
5.2.170.0030.06311.05
5.2.160.0070.06011.25
5.2.150.0070.03711.15
5.2.140.0100.05011.20
5.2.130.0100.06011.21
5.2.120.0170.05011.20
5.2.110.0170.02311.21
5.2.100.0030.06011.13
5.2.90.0030.06311.19
5.2.80.0100.05711.21
5.2.70.0030.05711.15
5.2.60.0070.06311.18
5.2.50.0000.03711.12
5.2.40.0030.02710.93
5.2.30.0000.05311.03
5.2.20.0070.04010.92
5.2.10.0070.03010.93
5.2.00.0030.06010.77
5.1.60.0070.04310.03
5.1.50.0030.0539.98
5.1.40.0070.04710.06
5.1.30.0070.05710.30
5.1.20.0030.04310.41
5.1.10.0070.05310.18
5.1.00.0070.04310.15
5.0.50.0000.0508.61
5.0.40.0000.0238.48
5.0.30.0030.0478.34
5.0.20.0070.0238.24
5.0.10.0030.0338.30
5.0.00.0000.0508.27
4.4.90.0000.0208.13
4.4.80.0030.0338.13
4.4.70.0000.0208.13
4.4.60.0030.0378.13
4.4.50.0000.0208.13
4.4.40.0030.0438.13
4.4.30.0000.0308.13
4.4.20.0100.0238.13
4.4.10.0070.0308.13
4.4.00.0030.0538.13
4.3.110.0000.0308.13
4.3.100.0000.0378.13
4.3.90.0070.0238.13
4.3.80.0000.0308.13
4.3.70.0000.0338.13
4.3.60.0030.0338.13
4.3.50.0030.0378.13
4.3.40.0030.0508.13
4.3.30.0000.0208.13
4.3.20.0030.0338.13
4.3.10.0030.0278.13
4.3.00.0070.0208.13

preferences:
56.01 ms | 401 KiB | 5 Q