3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); function level(){ echo 'Text that won\'t get displayed.'; } level(); 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)
8.3.40.0090.00618.62
8.3.30.0000.01420.25
8.3.20.0050.00318.69
8.3.10.0060.00320.97
8.3.00.0040.00422.50
8.2.170.0060.00922.96
8.2.160.0140.00720.52
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0060.00318.98
8.2.100.0120.00017.50
8.2.90.0070.00019.13
8.2.80.0000.00719.32
8.2.70.0080.00017.50
8.2.60.0050.00318.04
8.2.50.0040.00418.07
8.2.40.0050.00318.16
8.2.30.0070.00021.29
8.2.20.0000.00717.52
8.2.10.0040.00417.56
8.2.00.0000.00817.54
8.1.270.0030.00523.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.13
8.1.230.0070.00420.95
8.1.220.0060.00318.77
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0040.00417.39
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0030.00518.76
8.1.150.0040.00418.42
8.1.140.0040.00417.26
8.1.130.0040.00417.77
8.1.120.0030.00317.36
8.1.110.0030.00517.34
8.1.100.0040.00417.30
8.1.90.0050.00317.34
8.1.80.0000.00817.39
8.1.70.0030.00517.24
8.1.60.0040.00417.41
8.1.50.0050.00317.36
8.1.40.0040.00417.34
8.1.30.0030.00617.58
8.1.20.0080.00017.55
8.1.10.0000.00817.52
8.1.00.0080.00017.39
8.0.300.0000.00819.95
8.0.290.0080.00017.16
8.0.280.0070.00018.39
8.0.270.0030.00417.12
8.0.260.0030.00516.64
8.0.250.0040.00416.75
8.0.240.0040.00416.80
8.0.230.0000.00716.80
8.0.220.0030.00316.65
8.0.210.0000.00816.79
8.0.200.0000.00616.80
8.0.190.0040.00416.85
8.0.180.0030.00316.70
8.0.170.0000.00716.64
8.0.160.0000.00816.83
8.0.150.0040.00416.69
8.0.140.0000.00716.79
8.0.130.0000.00613.15
8.0.120.0030.00516.73
8.0.110.0000.00716.83
8.0.100.0030.00516.59
8.0.90.0000.00716.76
8.0.80.0040.01116.81
8.0.70.0000.00716.63
8.0.60.0050.00216.67
8.0.50.0040.00416.70
8.0.30.0100.00816.89
8.0.20.0080.01317.40
8.0.10.0000.00816.93
8.0.00.0130.00816.96
7.4.330.0020.00216.83
7.4.320.0060.00016.24
7.4.300.0030.00316.43
7.4.290.0070.00016.54
7.4.280.0040.00416.54
7.4.270.0030.00316.55
7.4.260.0030.00313.15
7.4.250.0080.00016.51
7.4.240.0030.00316.49
7.4.230.0000.00716.53
7.4.220.0110.00816.42
7.4.210.0060.00916.52
7.4.200.0030.00316.47
7.4.190.0040.00416.68
7.4.160.0100.01016.71
7.4.150.0160.00417.40
7.4.140.0070.01117.86
7.4.130.0070.01016.48
7.4.120.0050.01216.49
7.4.110.0090.01416.42
7.4.100.0090.00616.40
7.4.90.0140.00316.41
7.4.80.0190.00419.39
7.4.70.0100.00716.59
7.4.60.0060.01216.65
7.4.50.0050.00316.38
7.4.40.0100.00722.77
7.4.30.0100.01416.35
7.4.00.0030.01214.86
7.3.330.0000.00513.14
7.3.320.0000.00613.18
7.3.310.0000.00716.27
7.3.300.0000.00716.29
7.3.290.0060.00916.29
7.3.280.0110.00616.23
7.3.270.0080.00817.40
7.3.260.0140.00718.24
7.3.250.0150.00816.56
7.3.240.0080.00816.43
7.3.230.0120.00616.39
7.3.210.0110.00716.47
7.3.200.0060.01019.39
7.3.190.0080.00816.30
7.3.180.0080.00816.34
7.3.170.0090.00616.37
7.3.160.0080.00816.49
7.3.120.0070.00914.76
7.3.110.0040.01114.88
7.3.100.0040.01014.72
7.3.90.0020.01114.78
7.3.80.0060.00914.71
7.3.70.0030.00714.67
7.3.60.0060.01014.55
7.3.50.0020.00914.71
7.3.40.0070.00514.70
7.3.30.0050.00614.78
7.3.20.0020.01116.66
7.3.10.0040.01116.51
7.3.00.0030.01016.63
7.2.330.0030.01316.16
7.2.320.0070.01016.50
7.2.310.0090.00916.43
7.2.300.0110.00616.43
7.2.290.0000.01616.54
7.2.250.0060.01114.67
7.2.240.0120.00914.90
7.2.230.0060.01114.88
7.2.220.0080.00514.96
7.2.210.0030.01314.99
7.2.200.0060.00314.81
7.2.190.0050.01014.83
7.2.180.0090.00414.86
7.2.170.0020.01314.80
7.2.00.0230.01418.94
7.1.330.0050.00915.71
7.1.320.0020.01115.75
7.1.310.0030.00915.63
7.1.300.0080.00715.71
7.1.290.0050.00815.71
7.1.280.0100.00315.67
7.1.270.0070.00515.83
7.1.260.0040.00915.62
7.1.200.0080.00415.34
7.1.100.0070.00716.25
7.1.70.0000.01017.10
7.1.60.0190.00619.24
7.1.50.0160.00817.02
7.1.00.0030.03322.35
7.0.200.0030.00716.81
7.0.140.0000.06722.05
7.0.70.0070.07021.69
7.0.60.0030.08021.73
7.0.50.0030.08722.10
7.0.40.0200.06320.11
7.0.30.0130.08020.09
7.0.20.0100.08320.11
7.0.10.0030.09020.14
7.0.00.0030.07020.03
5.6.280.0130.06021.04
5.6.220.0070.07320.58
5.6.210.0100.04720.67
5.6.200.0170.06721.14
5.6.190.0100.07721.17
5.6.180.0100.07321.17
5.6.170.0130.08020.95
5.6.160.0100.09021.07
5.6.150.0000.04721.14
5.6.140.0070.08321.00
5.6.130.0030.09021.06
5.6.120.0070.08720.96
5.6.110.0130.07720.95
5.6.100.0030.06021.09
5.6.90.0200.07720.92
5.6.80.0070.08320.49
5.6.70.0030.06720.40
5.6.60.0070.08020.48
5.6.50.0030.08020.34
5.6.40.0100.07320.50
5.6.30.0000.09020.46
5.6.20.0100.05020.37
5.6.10.0000.08320.46
5.6.00.0100.07320.45
5.5.360.0030.08020.41
5.5.350.0030.05020.40
5.5.340.0000.08720.93
5.5.330.0000.07320.89
5.5.320.0070.08320.83
5.5.310.0070.05020.93
5.5.300.0070.07720.92
5.5.290.0070.09320.89
5.5.280.0100.08020.86
5.5.270.0030.08320.79
5.5.260.0070.09020.92
5.5.250.0070.08320.65
5.5.240.0030.05720.17
5.5.230.0100.06720.30
5.5.220.0070.04720.20
5.5.210.0130.07020.16
5.5.200.0170.07320.07
5.5.190.0100.07320.22
5.5.180.0030.06320.26
5.5.160.0100.08020.00
5.5.150.0130.05020.25
5.5.140.0030.05019.95
5.5.130.0030.07720.23
5.5.120.0070.08020.15
5.5.110.0100.08020.10
5.5.100.0030.08720.06
5.5.90.0070.07720.07
5.5.80.0170.07020.13
5.5.70.0000.05320.12
5.5.60.0030.07320.16
5.5.50.0130.07020.09
5.5.40.0030.08020.01
5.5.30.0070.08020.16
5.5.20.0030.05320.08
5.5.10.0000.08720.04
5.5.00.0070.08019.97
5.4.450.0200.06719.48
5.4.440.0000.09019.22
5.4.430.0130.06719.52
5.4.420.0070.08019.55
5.4.410.0030.05719.40
5.4.400.0000.08318.86
5.4.390.0130.07719.18
5.4.380.0030.05018.85
5.4.370.0070.06319.02
5.4.360.0070.07718.88
5.4.350.0030.07719.12
5.4.340.0100.07319.13
5.4.320.0030.08318.84
5.4.310.0100.07718.88
5.4.300.0070.05719.09
5.4.290.0070.07719.20
5.4.280.0100.07719.12
5.4.270.0070.05018.90
5.4.260.0070.04719.13
5.4.250.0070.05319.04
5.4.240.0100.07719.04
5.4.230.0100.05718.94
5.4.220.0100.05718.94
5.4.210.0030.07019.12
5.4.200.0030.08019.20
5.4.190.0000.05719.04
5.4.180.0130.07018.87
5.4.170.0170.07019.20
5.4.160.0070.05319.13
5.4.150.0170.07319.14
5.4.140.0200.04016.25
5.4.130.0070.04016.45
5.4.120.0070.04016.45
5.4.110.0070.07316.39
5.4.100.0130.07016.34
5.4.90.0030.07316.51
5.4.80.0170.06316.40
5.4.70.0070.07316.38
5.4.60.0100.04316.46
5.4.50.0000.06716.41
5.4.40.0070.07316.45
5.4.30.0070.07316.31
5.4.20.0030.06316.50
5.4.10.0030.06716.36
5.4.00.0030.07715.86
5.3.290.0130.07314.75
5.3.280.0000.07714.73
5.3.270.0070.07714.62
5.3.260.0030.08014.70
5.3.250.0030.07314.57
5.3.240.0070.05314.58
5.3.230.0070.06714.52
5.3.220.0070.06014.71
5.3.210.0130.05714.58
5.3.200.0030.06314.55
5.3.190.0100.07314.69
5.3.180.0030.05714.63
5.3.170.0070.06014.53
5.3.160.0030.06014.70
5.3.150.0070.07314.52
5.3.140.0100.07714.52
5.3.130.0100.07314.52
5.3.120.0030.06014.60
5.3.110.0070.04014.52
5.3.100.0070.07714.02
5.3.90.0030.06714.05
5.3.80.0030.08014.02
5.3.70.0100.07014.14
5.3.60.0000.08313.93
5.3.50.0030.04713.97
5.3.40.0070.03314.05
5.3.30.0100.04314.02
5.3.20.0000.04713.79
5.3.10.0030.03313.64
5.3.00.0100.07313.56
5.2.170.0000.03312.24
5.2.160.0030.03312.24
5.2.150.0070.02712.24
5.2.140.0000.07012.24
5.2.130.0030.02712.24
5.2.120.0070.03012.24
5.2.110.0000.03012.24
5.2.100.0000.05712.24
5.2.90.0070.06312.24
5.2.80.0130.05712.24
5.2.70.0130.05312.24
5.2.60.0130.02312.24
5.2.50.0030.05712.24
5.2.40.0000.03012.24
5.2.30.0000.03012.24
5.2.20.0030.02712.24
5.2.10.0030.02712.24
5.2.00.0000.03012.24
5.1.60.0030.03012.24
5.1.50.0000.02712.24
5.1.40.0000.02712.24
5.1.30.0000.02312.24
5.1.20.0030.02312.24
5.1.10.0000.02712.24
5.1.00.0030.02312.24
5.0.50.0000.02312.24
5.0.40.0000.02312.24
5.0.30.0070.05012.24
5.0.20.0000.03012.24
5.0.10.0000.03712.24
5.0.00.0030.04312.24
4.4.90.0030.01312.24
4.4.80.0000.03712.24
4.4.70.0000.01712.24
4.4.60.0070.01012.24
4.4.50.0030.01312.24
4.4.40.0000.02712.24
4.4.30.0030.01312.24
4.4.20.0000.02012.24
4.4.10.0000.03312.24
4.4.00.0000.04012.24
4.3.110.0100.02012.24
4.3.100.0030.03012.24
4.3.90.0000.02312.24
4.3.80.0030.04712.24
4.3.70.0000.02312.24
4.3.60.0030.01312.24
4.3.50.0030.02312.24
4.3.40.0030.02712.24
4.3.30.0030.01312.24
4.3.20.0070.01312.24
4.3.10.0000.03012.24
4.3.00.0000.01712.24

preferences:
35.34 ms | 400 KiB | 5 Q