3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty('')); var_dump(empty(0)); var_dump(empty(NULL));

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)
8.3.40.0070.00718.44
8.3.30.0070.00718.84
8.3.20.0070.00020.07
8.3.10.0080.00023.48
8.3.00.0050.00319.13
8.2.170.0000.01522.96
8.2.160.0100.00320.46
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00020.71
8.2.110.0100.00019.27
8.2.100.0070.00317.78
8.2.90.0060.00319.11
8.2.80.0000.00817.97
8.2.70.0030.00517.38
8.2.60.0060.00317.68
8.2.50.0060.00318.07
8.2.40.0040.00419.88
8.2.30.0030.00618.01
8.2.20.0000.00717.62
8.2.10.0030.00517.94
8.2.00.0040.00417.48
8.1.270.0080.00022.22
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00324.00
8.1.230.0040.00817.42
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0050.00517.38
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0000.00721.84
8.1.150.0050.00318.74
8.1.140.0050.00317.22
8.1.130.0000.00817.62
8.1.120.0000.00717.29
8.1.110.0050.00317.32
8.1.100.0040.00417.35
8.1.90.0030.00317.23
8.1.80.0030.00317.29
8.1.70.0000.00717.29
8.1.60.0060.00317.48
8.1.50.0050.00317.31
8.1.40.0050.00317.43
8.1.30.0000.00817.57
8.1.20.0040.00417.58
8.1.10.0080.00017.35
8.1.00.0000.00717.36
8.0.300.0000.00918.77
8.0.290.0000.00716.58
8.0.280.0000.00718.30
8.0.270.0000.00717.12
8.0.260.0000.00617.09
8.0.250.0040.00416.83
8.0.240.0030.00516.83
8.0.230.0000.00716.70
8.0.220.0080.00016.66
8.0.210.0070.00016.71
8.0.200.0040.00416.81
8.0.190.0000.00716.79
8.0.180.0040.00716.69
8.0.170.0000.00816.80
8.0.160.0070.00016.73
8.0.150.0000.00816.57
8.0.140.0000.00716.60
8.0.130.0070.00013.14
8.0.120.0070.00016.74
8.0.110.0040.00416.66
8.0.100.0040.00416.86
8.0.90.0040.00416.76
8.0.80.0090.00616.70
8.0.70.0070.00016.75
8.0.60.0040.00416.55
8.0.50.0040.00416.70
8.0.30.0180.00616.77
8.0.20.0090.01317.40
8.0.10.0030.00316.99
8.0.00.0100.00816.54
7.4.330.0050.00015.02
7.4.320.0000.00816.48
7.4.300.0000.00716.48
7.4.290.0070.00016.48
7.4.280.0040.00416.27
7.4.270.0000.00716.35
7.4.260.0070.00016.29
7.4.250.0000.00716.41
7.4.240.0020.00516.41
7.4.230.0000.00716.57
7.4.220.0070.01316.38
7.4.210.0000.01416.32
7.4.200.0000.00716.46
7.4.160.0090.00616.22
7.4.150.0150.00917.40
7.4.140.0080.01017.86
7.4.130.0090.01116.28
7.4.120.0070.01316.21
7.4.110.0140.00416.25
7.4.100.0140.00316.33
7.4.90.0130.00616.39
7.4.80.0030.01719.39
7.4.70.0110.00716.24
7.4.60.0090.00816.30
7.4.50.0000.00516.55
7.4.40.0030.01316.42
7.4.30.0130.00416.38
7.4.00.0100.00614.78
7.3.330.0050.00013.08
7.3.320.0020.00313.04
7.3.310.0050.00315.97
7.3.300.0000.00816.17
7.3.290.0140.00416.10
7.3.280.0060.01016.11
7.3.270.0170.00017.40
7.3.260.0070.01016.08
7.3.250.0050.01216.25
7.3.240.0130.00316.40
7.3.230.0130.00716.39
7.3.210.0070.01016.35
7.3.200.0100.01319.39
7.3.190.0090.00916.27
7.3.180.0060.00916.47
7.3.170.0090.00916.34
7.3.160.0100.00716.05
7.3.120.0120.00614.64
7.3.110.0100.00714.64
7.3.100.0110.00414.54
7.3.90.0030.00614.84
7.3.80.0090.00314.39
7.3.70.0030.00714.76
7.3.60.0110.00414.68
7.3.50.0060.01014.63
7.3.40.0030.01014.71
7.3.30.0130.00014.46
7.3.20.0070.01016.51
7.3.10.0090.00516.43
7.3.00.0030.01016.45
7.2.330.0090.00916.49
7.2.320.0090.00816.14
7.2.310.0090.00616.18
7.2.300.0120.00616.14
7.2.290.0060.01316.32
7.2.250.0100.01014.52
7.2.240.0130.00714.82
7.2.230.0030.01014.77
7.2.220.0000.01414.97
7.2.210.0040.00814.63
7.2.200.0060.00314.91
7.2.190.0100.00614.86
7.2.180.0000.01514.72
7.2.170.0040.01414.63
7.2.130.0080.00416.55
7.2.120.0040.00716.84
7.2.110.0060.00316.69
7.2.100.0090.00616.51
7.2.90.0030.00916.61
7.2.80.0040.01016.38
7.2.70.0030.01016.48
7.2.60.0030.01116.71
7.2.50.0060.00916.89
7.2.40.0060.00316.50
7.2.30.0110.00416.78
7.2.20.0070.00716.74
7.2.10.0040.01116.59
7.2.00.0070.00917.75
7.1.330.0110.00315.75
7.1.320.0040.01115.52
7.1.310.0000.01015.70
7.1.300.0030.00915.75
7.1.290.0040.00415.79
7.1.280.0100.00315.48
7.1.270.0030.01215.78
7.1.260.0110.00315.64
7.1.250.0050.00515.69
7.1.200.0030.00615.33
7.1.100.0030.00918.09
7.1.70.0000.00717.16
7.1.60.0060.01919.32
7.1.50.0070.01716.52
7.1.00.0070.07322.53
7.0.200.0000.00916.70
7.0.140.0030.07321.91
7.0.60.0100.07320.05
7.0.50.0130.06017.79
7.0.40.0070.09320.30
7.0.30.0300.06720.18
7.0.20.0200.07020.20
7.0.10.0170.07720.01
7.0.00.0070.06720.12
5.6.280.0000.07721.05
5.6.210.0070.03720.61
5.6.200.0030.06018.22
5.6.190.0070.04020.43
5.6.180.0300.07020.40
5.6.170.0230.05720.40
5.6.160.0100.03720.33
5.6.150.0130.08318.16
5.6.140.0030.07318.15
5.6.130.0070.05318.18
5.6.120.0070.04021.13
5.6.110.0130.07321.01
5.6.100.0130.08021.03
5.6.90.0030.04321.07
5.6.80.0100.06020.43
5.6.70.0270.07020.38
5.5.350.0070.08320.40
5.5.340.0070.07717.98
5.5.330.0030.05720.39
5.5.320.0130.04020.40
5.5.310.0300.08020.24
5.5.300.0070.04317.92
5.5.290.0130.07017.95
5.5.280.0030.06020.76
5.5.270.0130.07020.95
5.5.260.0070.04020.80
5.5.250.0030.04020.46
5.5.240.0200.05320.25
5.4.450.1100.06719.63
5.4.440.0630.06019.20
5.4.430.0770.06019.45
5.4.420.0800.05319.47
5.4.410.0170.05019.18
5.4.400.0830.05318.88
5.4.390.0170.04718.84
5.4.380.0670.06019.28
5.4.370.0600.05719.23
5.4.360.0870.08719.24
5.4.350.0100.05019.14
5.4.340.0080.04512.01
5.4.320.0060.05012.50
5.4.310.0060.04012.49
5.4.300.0080.03412.50
5.4.290.0040.03912.50
5.4.280.0050.03612.39
5.4.270.0100.03912.39
5.4.260.0060.03812.39
5.4.250.0060.03912.39
5.4.240.0060.03512.39
5.4.230.0070.03612.38
5.4.220.0030.03912.38
5.4.210.0050.03612.38
5.4.200.0040.04012.38
5.4.190.0050.04412.38
5.4.180.0110.03212.38
5.4.170.0050.03812.38
5.4.160.0040.03612.38
5.4.150.0070.03412.38
5.4.140.0060.03612.07
5.4.130.0100.03712.05
5.4.120.0030.03712.02
5.4.110.0080.03312.01
5.4.100.0070.03412.01
5.4.90.0080.03812.01
5.4.80.0070.04512.01
5.4.70.0080.04312.01
5.4.60.0050.03612.01
5.4.50.0060.03512.01
5.4.40.0070.03211.99
5.4.30.0080.03911.99
5.4.20.0060.04011.99
5.4.10.0060.03812.00
5.4.00.0040.03711.48
5.3.290.0080.03712.80
5.3.280.0070.03612.71
5.3.270.0070.03612.72
5.3.260.0060.03712.72
5.3.250.0070.03612.72
5.3.240.0080.03512.72
5.3.230.0070.03712.71
5.3.220.0030.03912.68
5.3.210.0050.04412.68
5.3.200.0080.03312.68
5.3.190.0070.03612.68
5.3.180.0080.04512.67
5.3.170.0070.03512.67
5.3.160.0060.03512.67
5.3.150.0040.03812.67
5.3.140.0080.03312.66
5.3.130.0090.03512.65
5.3.120.0050.03812.66
5.3.110.0030.04112.66
5.3.100.0070.03812.11
5.3.90.0050.03612.08
5.3.80.0030.03912.07
5.3.70.0080.03412.08
5.3.60.0060.03512.06
5.3.50.0050.03712.00
5.3.40.0040.03812.00
5.3.30.0020.05111.95
5.3.20.0070.03511.73
5.3.10.0090.03411.70
5.3.00.0050.04111.68
5.2.170.0050.0299.18
5.2.160.0020.0319.18
5.2.150.0060.0399.18
5.2.140.0060.0299.18
5.2.130.0050.0299.14
5.2.120.0040.0359.14
5.2.110.0050.0299.14
5.2.100.0030.0309.14
5.2.90.0050.0359.14
5.2.80.0020.0329.14
5.2.70.0070.0279.14
5.2.60.0020.0329.08
5.2.50.0030.0319.05
5.2.40.0060.0279.03
5.2.30.0050.0349.01
5.2.20.0040.0289.00
5.2.10.0070.0268.93
5.2.00.0040.0288.78
5.1.60.0050.0228.07
5.1.50.0050.0288.07
5.1.40.0040.0248.04
5.1.30.0040.0258.40
5.1.20.0060.0318.42
5.1.10.0040.0268.14
5.1.00.0050.0248.14
5.0.50.0000.0236.62
5.0.40.0030.0206.47
5.0.30.0060.0286.29
5.0.20.0030.0196.27
5.0.10.0020.0286.23
5.0.00.0050.0356.23
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0060.0144.75
4.4.60.0010.0244.75
4.4.50.0040.0184.77
4.4.40.0020.0254.71
4.4.30.0050.0134.76
4.4.20.0040.0144.84
4.4.10.0040.0134.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0030.0144.64
4.3.80.0020.0244.59
4.3.70.0050.0124.63
4.3.60.0030.0214.63
4.3.50.0020.0184.63
4.3.40.0020.0324.54
4.3.30.0010.0223.29
4.3.20.0040.0193.26
4.3.10.0010.0183.22
4.3.00.0100.0236.93

preferences:
32.92 ms | 400 KiB | 5 Q