3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty($var)); $var = null; var_dump(empty($var)); $var = false; var_dump(empty($var));

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)
8.3.40.0170.00318.55
8.3.30.0000.01418.89
8.3.20.0040.00420.04
8.3.10.0040.00421.84
8.3.00.0070.00722.46
8.2.170.0100.00322.96
8.2.160.0130.00318.71
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0130.00626.16
8.2.120.0080.00019.64
8.2.110.0070.00322.16
8.2.100.0120.00019.45
8.2.90.0030.00619.05
8.2.80.0030.00617.97
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0000.00718.09
8.2.30.0040.00418.03
8.2.20.0040.00417.59
8.2.10.0000.00819.41
8.2.00.0000.00717.57
8.1.270.0060.00322.05
8.1.260.0040.00426.35
8.1.250.0030.00328.09
8.1.240.0070.00323.71
8.1.230.0120.00018.74
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.22
8.1.190.0040.00417.18
8.1.180.0000.00718.59
8.1.170.0040.00418.56
8.1.160.0040.00423.66
8.1.150.0070.00018.56
8.1.140.0000.00717.43
8.1.130.0070.00017.79
8.1.120.0030.00317.39
8.1.110.0040.00517.39
8.1.100.0000.00717.38
8.1.90.0050.00217.43
8.1.80.0050.00317.32
8.1.70.0080.00017.36
8.1.60.0030.00917.41
8.1.50.0040.00417.42
8.1.40.0040.00417.45
8.1.30.0040.00417.51
8.1.20.0040.00417.51
8.1.10.0040.00417.43
8.1.00.0040.00417.38
8.0.300.0030.00518.77
8.0.290.0070.00017.16
8.0.280.0000.00718.27
8.0.270.0040.00417.14
8.0.260.0030.00316.66
8.0.250.0040.00416.89
8.0.240.0000.00716.90
8.0.230.0070.00016.88
8.0.220.0000.00716.72
8.0.210.0040.00416.69
8.0.200.0000.00716.74
8.0.190.0000.00716.88
8.0.180.0000.00716.75
8.0.170.0040.00416.84
8.0.160.0070.00016.82
8.0.150.0000.00716.75
8.0.140.0070.00016.82
8.0.130.0000.00513.30
8.0.120.0030.00616.82
8.0.110.0000.00716.76
8.0.100.0050.00316.72
8.0.90.0040.00416.84
8.0.80.0120.00916.81
8.0.70.0090.00016.77
8.0.60.0040.00416.69
8.0.50.0040.00416.77
8.0.30.0100.00816.89
8.0.20.0080.00917.40
8.0.10.0050.00216.77
8.0.00.0050.01216.57
7.4.330.0000.00515.00
7.4.320.0060.00016.48
7.4.300.0030.00316.33
7.4.290.0040.00416.54
7.4.280.0000.00716.51
7.4.270.0030.00316.41
7.4.260.0090.00316.30
7.4.250.0030.00316.29
7.4.240.0000.00716.50
7.4.230.0000.00716.51
7.4.220.0140.01016.61
7.4.210.0070.00916.53
7.4.200.0070.00016.25
7.4.190.0000.00716.59
7.4.160.0080.00816.43
7.4.150.0080.00817.40
7.4.140.0100.01217.86
7.4.130.0090.01216.40
7.4.120.0100.00916.43
7.4.110.0100.00716.44
7.4.100.0120.00616.50
7.4.90.0150.00316.45
7.4.80.0040.01319.39
7.4.70.0040.01216.48
7.4.60.0080.00916.46
7.4.50.0050.00316.31
7.4.40.0040.00722.77
7.4.30.0050.01016.35
7.4.00.0080.00914.98
7.3.330.0000.00712.86
7.3.320.0050.00013.00
7.3.310.0030.00316.26
7.3.300.0000.00616.11
7.3.290.0000.01416.11
7.3.280.0110.00716.12
7.3.270.0090.00817.40
7.3.260.0110.01116.30
7.3.250.0090.00916.20
7.3.240.0130.00716.22
7.3.230.0060.01116.39
7.3.210.0040.01416.17
7.3.200.0040.01119.39
7.3.190.0070.01116.24
7.3.180.0070.01016.29
7.3.170.0150.00916.38
7.3.160.0070.00916.36
7.3.120.0110.00714.39
7.3.110.0070.00714.30
7.3.100.0120.00314.36
7.3.90.0070.00314.58
7.3.80.0000.01314.45
7.3.70.0060.00614.38
7.3.60.0030.00914.64
7.3.50.0040.00414.78
7.3.40.0000.00814.52
7.3.30.0040.00414.45
7.3.20.0070.00716.46
7.3.10.0070.00516.24
7.3.00.0030.01016.20
7.2.330.0100.00616.61
7.2.320.0160.00916.34
7.2.310.0080.01216.23
7.2.300.0130.01016.22
7.2.290.0070.01316.59
7.2.250.0100.01014.61
7.2.240.0100.01014.54
7.2.230.0030.00914.71
7.2.220.0060.00614.82
7.2.210.0130.00314.96
7.2.200.0100.00614.80
7.2.190.0070.01014.54
7.2.180.0030.00714.79
7.2.170.0000.01414.75
7.2.130.0130.00616.35
7.2.120.0130.00316.64
7.2.110.0100.00616.36
7.2.100.0030.00716.47
7.2.90.0040.01116.68
7.2.80.0100.00716.55
7.2.70.0080.00516.26
7.2.60.0110.00716.57
7.2.50.0120.00916.75
7.2.40.0130.01016.39
7.2.30.0080.01616.51
7.2.20.0090.01416.47
7.2.10.0130.01016.33
7.2.00.0070.01017.65
7.1.330.0080.00815.51
7.1.320.0030.00715.51
7.1.310.0080.00415.79
7.1.300.0070.00715.48
7.1.290.0080.00415.59
7.1.280.0040.00415.66
7.1.270.0040.01115.81
7.1.260.0030.00915.55
7.1.250.0100.00015.36
7.1.100.0030.00717.93
7.1.70.0030.01017.03
7.1.60.0110.01419.82
7.1.50.0070.01016.63
7.1.00.0000.08022.40
7.0.200.0000.00716.64
7.0.140.0000.07721.97
7.0.100.0500.07020.05
7.0.90.0100.09019.86
7.0.80.0100.07719.93
7.0.70.0070.08319.91
7.0.60.0200.06719.92
7.0.50.0200.04720.28
7.0.40.0070.04020.13
7.0.30.0100.03720.11
7.0.20.0000.04720.11
7.0.10.0000.04020.03
7.0.00.0100.04720.05
5.6.280.0100.08320.90
5.6.250.0100.07020.59
5.6.240.0070.08720.50
5.6.230.0100.08020.62
5.6.220.0170.06320.48
5.6.210.0000.08720.55
5.6.200.0100.05021.11
5.6.190.0100.04021.11
5.6.180.0000.05020.95
5.6.170.0130.04721.02
5.6.160.0100.03321.05
5.6.150.0100.03721.02
5.6.140.0000.04721.06
5.6.130.0030.04321.02
5.6.120.0130.08021.04
5.6.110.0100.03721.02
5.6.100.0000.05321.11
5.6.90.0030.04320.91
5.6.80.0030.04320.55
5.6.70.0070.04020.32
5.6.60.0100.03320.37
5.6.50.0030.04020.39
5.6.40.0000.04720.38
5.6.30.0070.04320.29
5.6.20.0000.04320.38
5.6.10.0000.04320.30
5.6.00.0030.04020.50
5.5.380.0100.07720.44
5.5.370.0100.07720.41
5.5.360.0100.07320.55
5.5.350.0070.04320.30
5.5.340.0030.04320.82
5.5.330.0030.04720.90
5.5.320.0100.04720.72
5.5.310.0030.04720.80
5.5.300.0000.04320.91
5.5.290.0000.04320.83
5.5.280.0070.08020.76
5.5.270.0030.04020.88
5.5.260.0070.04020.90
5.5.250.0000.05020.66
5.5.240.0070.03320.02
5.5.230.0030.04320.20
5.5.220.0100.03320.24
5.5.210.0030.04020.24
5.5.200.0000.04320.19
5.5.190.0030.04020.11
5.5.180.0030.04020.24
5.5.160.0000.04319.98
5.5.150.0070.03719.97
5.5.140.0070.03320.17
5.5.130.0070.04020.16
5.5.120.0070.03720.22
5.5.110.0070.03320.05
5.5.100.0000.04020.12
5.5.90.0130.03020.14
5.5.80.0130.04320.15
5.5.70.0100.06720.15
5.5.60.0030.04019.92
5.5.50.0070.03320.07
5.5.40.0070.05320.04
5.5.30.0130.07020.04
5.5.20.0130.07720.03
5.5.10.0070.06320.01
5.5.00.0100.07320.02
5.4.450.0100.07319.23
5.4.440.0030.04019.35
5.4.430.0100.05019.11
5.4.420.0070.05719.26
5.4.410.0070.04019.25
5.4.400.0000.04019.05
5.4.390.0030.03718.79
5.4.380.0000.04018.89
5.4.370.0070.03319.12
5.4.360.0100.05019.03
5.4.350.0070.04019.07
5.4.340.0100.03318.96
5.4.320.0030.03719.00
5.4.310.0000.03718.81
5.4.300.0100.06319.04
5.4.290.0030.03319.09
5.4.280.0000.04019.09
5.4.270.0030.03719.00
5.4.260.0100.03319.09
5.4.250.0170.02718.94
5.4.240.0000.04319.13
5.4.230.0030.04319.03
5.4.220.0030.06319.06
5.4.210.0070.04318.93
5.4.200.0030.05319.04
5.4.190.0100.06719.02
5.4.180.0100.04018.95
5.4.170.0070.07018.97
5.4.160.0070.06018.92
5.4.150.0100.07019.20
5.4.140.0100.06316.34
5.4.130.0170.03316.38
5.4.120.0100.06716.36
5.4.110.0070.05016.40
5.4.100.0100.05716.31
5.4.90.0100.06316.45
5.4.80.0030.07716.29
5.4.70.0070.06716.30
5.4.60.0130.05016.28
5.4.50.0070.07316.20
5.4.40.0200.06016.43
5.4.30.0070.07016.22
5.4.20.0070.06716.22
5.4.10.0070.08016.38
5.4.00.0170.06715.81
5.3.290.0070.03714.50
5.3.280.0000.04714.42
5.3.270.0000.06714.59
5.3.260.0070.04714.56
5.3.250.0030.04314.46
5.3.240.0070.05714.42
5.3.230.0030.07014.60
5.3.220.0070.06014.54
5.3.210.0030.07314.51
5.3.200.0030.04714.43
5.3.190.0130.07014.42
5.3.180.0030.05014.49
5.3.170.0100.03714.55
5.3.160.0100.07014.41
5.3.150.0200.06014.57
5.3.140.0070.08014.55
5.3.130.0100.07714.50
5.3.120.0130.05314.41
5.3.110.0070.08014.50
5.3.100.0100.07313.95
5.3.90.0030.07713.93
5.3.80.0070.06714.00
5.3.70.0070.06713.92
5.3.60.0030.07313.95
5.3.50.0070.04013.80
5.3.40.0130.06313.91
5.3.30.0170.05713.84
5.3.20.0070.06713.67
5.3.10.0030.06713.63
5.3.00.0070.07013.41
5.2.170.0070.06312.37
5.2.160.0100.05712.37
5.2.150.0100.05712.37
5.2.140.0030.06712.37
5.2.130.0000.04712.37
5.2.120.0030.06012.37
5.2.110.0030.05312.37
5.2.100.0070.04712.37
5.2.90.0030.06012.37
5.2.80.0070.06012.37
5.2.70.0030.06312.37
5.2.60.0030.06312.37
5.2.50.0000.05712.37
5.2.40.0070.04312.37
5.2.30.0000.04012.37
5.2.20.0000.03712.37
5.2.10.0130.05312.37
5.2.00.0030.05012.37
5.1.60.0070.05012.37
5.1.50.0070.05312.37
5.1.40.0030.03012.37
5.1.30.0070.05012.37
5.1.20.0130.04712.37
5.1.10.0030.05312.37
5.1.00.0100.03012.37
5.0.50.0030.03312.37
5.0.40.0030.04012.37
5.0.30.0030.06312.37
5.0.20.0000.04012.37
5.0.10.0030.04712.37
5.0.00.0030.06012.37
4.4.90.0030.03312.37
4.4.80.0130.02712.37
4.4.70.0030.03012.37
4.4.60.0070.03012.37
4.4.50.0030.03712.37
4.4.40.0030.02312.37
4.4.30.0030.02312.37
4.4.20.0000.02712.37
4.4.10.0100.03012.37
4.4.00.0000.03712.37
4.3.110.0070.03312.37
4.3.100.0000.02312.37
4.3.90.0030.03312.37
4.3.80.0000.05312.37
4.3.70.0030.03012.37
4.3.60.0000.03312.37
4.3.50.0000.03312.37
4.3.40.0030.03712.37
4.3.30.0000.03712.37
4.3.20.0000.03312.37
4.3.10.0100.02012.37
4.3.00.0030.03012.37

preferences:
60.33 ms | 400 KiB | 5 Q