3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = ''; if (isset($var)) echo 'La variable $var existe'; if (!empty($var)) echo 'La variable $var n\'est pas vide'; else echo 'La variable $var est vide';

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)
8.3.40.0110.00718.75
8.3.30.0070.00718.96
8.3.20.0050.00320.20
8.3.10.0050.00323.66
8.3.00.0030.00520.94
8.2.170.0070.01122.96
8.2.160.0100.00320.23
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0090.00926.16
8.2.120.0040.00422.29
8.2.110.0060.00322.11
8.2.100.0080.00417.84
8.2.90.0040.00417.84
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0000.00718.34
8.2.30.0000.00717.98
8.2.20.0020.00517.52
8.2.10.0040.00417.68
8.2.00.0040.00417.65
8.1.270.0080.00023.68
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0060.00322.51
8.1.230.0030.00720.81
8.1.220.0030.00717.74
8.1.210.0080.00018.78
8.1.200.0030.00617.22
8.1.190.0000.00817.40
8.1.180.0040.00418.10
8.1.170.0090.00018.39
8.1.160.0070.00022.00
8.1.150.0040.00418.61
8.1.140.0000.00717.36
8.1.130.0000.00717.70
8.1.120.0030.00517.46
8.1.110.0020.00517.46
8.1.100.0050.00217.30
8.1.90.0030.00417.48
8.1.80.0000.00717.34
8.1.70.0000.00717.43
8.1.60.0040.00417.56
8.1.50.0090.00017.43
8.1.40.0040.00417.58
8.1.30.0070.00017.59
8.1.20.0040.00417.64
8.1.10.0040.00417.38
8.1.00.0000.00917.36
8.0.300.0040.00420.03
8.0.290.0040.00417.16
8.0.280.0070.00018.43
8.0.270.0060.00017.13
8.0.260.0000.00716.74
8.0.250.0030.00316.80
8.0.240.0030.00316.96
8.0.230.0070.00016.91
8.0.220.0000.00716.91
8.0.210.0030.00316.83
8.0.200.0030.00316.90
8.0.190.0050.00316.82
8.0.180.0050.00216.88
8.0.170.0020.00516.97
8.0.160.0070.00016.78
8.0.150.0000.00816.84
8.0.140.0040.00416.85
8.0.130.0000.00513.28
8.0.120.0040.00416.93
8.0.110.0040.00416.80
8.0.100.0000.00716.68
8.0.90.0040.00416.80
8.0.80.0030.01216.93
8.0.70.0000.00717.00
8.0.60.0000.00816.93
8.0.50.0040.00416.92
8.0.30.0130.00816.90
8.0.20.0120.00617.40
8.0.10.0050.00316.86
8.0.00.0110.00816.88
7.4.330.0030.00315.03
7.4.320.0000.00616.48
7.4.300.0000.00616.48
7.4.290.0030.00316.51
7.4.280.0000.00716.46
7.4.270.0000.00616.60
7.4.260.0000.00716.57
7.4.250.0050.00316.32
7.4.240.0020.00516.45
7.4.230.0030.00316.40
7.4.220.0110.00816.63
7.4.210.0070.01016.57
7.4.200.0070.00016.42
7.4.190.0030.00316.57
7.4.160.0060.01016.45
7.4.150.0070.01117.40
7.4.140.0080.00817.86
7.4.130.0040.01316.47
7.4.120.0130.00516.52
7.4.110.0130.00316.53
7.4.100.0040.01316.58
7.4.90.0070.01016.51
7.4.80.0060.01219.39
7.4.70.0060.01016.53
7.4.60.0080.00816.45
7.4.50.0050.00016.24
7.4.40.0060.00622.77
7.4.30.0100.01016.39
7.4.00.0040.01215.01
7.3.330.0050.00013.01
7.3.320.0030.00313.02
7.3.310.0070.00016.07
7.3.300.0030.00316.15
7.3.290.0060.00916.14
7.3.280.0090.00716.13
7.3.270.0070.01017.40
7.3.260.0110.00516.17
7.3.250.0110.00616.16
7.3.240.0120.00816.46
7.3.230.0070.01016.39
7.3.210.0110.00716.18
7.3.200.0110.01419.39
7.3.190.0070.01016.25
7.3.180.0130.00416.33
7.3.170.0120.00316.42
7.3.160.0060.00916.34
7.3.120.0060.00614.77
7.3.10.0100.00316.23
7.3.00.0090.00016.45
7.2.330.0060.01216.51
7.2.320.0060.01316.53
7.2.310.0060.01216.50
7.2.300.0110.00616.67
7.2.290.0070.01616.40
7.2.130.0030.01016.86
7.2.120.0060.00616.35
7.2.110.0000.01016.75
7.2.100.0070.00416.93
7.2.90.0030.00916.82
7.2.80.0110.00016.52
7.2.70.0040.00716.54
7.2.60.0080.00616.65
7.2.50.0070.00716.48
7.2.40.0070.00416.72
7.2.30.0110.00016.52
7.2.20.0000.01016.66
7.2.10.0070.00716.66
7.2.00.0050.00818.08
7.1.250.0000.01015.42
7.1.200.0110.00315.86
7.1.100.0000.00817.72
7.1.70.0090.00916.98
7.1.60.0040.01819.29
7.1.50.0110.02534.77
7.1.00.0030.07722.41
7.0.200.0000.00716.69
7.0.140.0070.06321.91
7.0.70.0000.05321.68
7.0.60.0100.07021.87
7.0.50.0030.06022.05
7.0.40.0070.08320.09
7.0.30.0070.08020.12
7.0.20.0030.04720.07
7.0.10.0070.05720.09
7.0.00.0000.06020.13
5.6.280.0070.07321.09
5.6.220.0030.04320.65
5.6.210.0030.04320.44
5.6.200.0030.08320.94
5.6.190.0100.06320.92
5.6.180.0100.08021.10
5.6.170.0030.08021.07
5.6.160.0070.06021.01
5.6.150.0100.07721.16
5.6.140.0070.08321.10
5.6.130.0030.08321.05
5.6.120.0030.07020.97
5.6.110.0030.06020.94
5.6.100.0030.06321.02
5.6.90.0070.06021.01
5.6.80.0100.08020.45
5.6.70.0030.06720.46
5.6.60.0030.08020.53
5.6.50.0030.08320.41
5.6.40.0030.07720.46
5.6.30.0100.03320.52
5.6.20.0030.08020.26
5.6.10.0000.04020.35
5.6.00.0030.03720.23
5.5.360.0070.05020.49
5.5.350.0030.06020.43
5.5.340.0000.08720.83
5.5.330.0030.07720.83
5.5.320.0070.06720.75
5.5.310.0070.07720.85
5.5.300.0070.05020.83
5.5.290.0030.08720.71
5.5.280.0000.04320.88
5.5.270.0000.05020.88
5.5.260.0130.04720.91
5.5.250.0030.08320.70
5.5.240.0070.07020.17
5.5.230.0030.06320.24
5.5.220.0170.06320.27
5.5.210.0000.05320.28
5.5.200.0070.05320.07
5.5.190.0030.04020.16
5.5.180.0030.04020.23
5.5.160.0000.04720.27
5.5.150.0000.04020.23
5.5.140.0070.03720.20
5.5.130.0030.03719.94
5.5.120.0000.04020.21
5.5.110.0070.03720.23
5.5.100.0030.03320.06
5.5.90.0000.04020.13
5.5.80.0070.03019.94
5.5.70.0070.08019.92
5.5.60.0030.04720.09
5.5.50.0000.06020.10
5.5.40.0100.04720.06
5.5.30.0030.03720.03
5.5.20.0000.04320.03
5.5.10.0030.03720.01
5.5.00.0030.03720.05
5.4.450.0100.04019.47
5.4.440.0000.05019.23
5.4.430.0130.06719.10
5.4.420.0030.07019.55
5.4.410.0070.05719.15
5.4.400.0030.06719.10
5.4.390.0070.07319.06
5.4.380.0030.05719.03
5.4.370.0030.07318.90
5.4.360.0070.07718.93
5.4.350.0030.04019.03
5.4.340.0030.03719.07
5.4.320.0000.04019.02
5.4.310.0000.04019.03
5.4.300.0070.03718.80
5.4.290.0000.04018.97
5.4.280.0030.03719.13
5.4.270.0000.03718.96
5.4.260.0030.03318.78
5.4.250.0030.04019.24
5.4.240.0030.05719.06
5.4.230.0030.03718.97
5.4.220.0030.03719.05
5.4.210.0000.08719.14
5.4.200.0000.03319.06
5.4.190.0030.04019.04
5.4.180.0030.04718.95
5.4.170.0030.06018.77
5.4.160.0070.02718.95
5.4.150.0030.03719.00
5.4.140.0000.03716.36
5.4.130.0070.02716.35
5.4.120.0000.03316.28
5.4.110.0000.04316.21
5.4.100.0030.03716.22
5.4.90.0000.03016.36
5.4.80.0070.03316.36
5.4.70.0000.03316.22
5.4.60.0000.05716.36
5.4.50.0000.03016.39
5.4.40.0000.03716.43
5.4.30.0000.03316.18
5.4.20.0000.03016.30
5.4.10.0000.04016.31
5.4.00.0000.04715.72
5.3.290.0000.04314.53
5.3.280.0000.08014.55
5.3.270.0000.04014.55
5.3.260.0000.03714.56
5.3.250.0030.03314.61
5.3.240.0000.03014.46
5.3.230.0000.03714.43
5.3.220.0030.03314.39
5.3.210.0000.03714.56
5.3.200.0000.03714.41
5.3.190.0000.03714.52
5.3.180.0030.03714.55
5.3.170.0000.03314.50
5.3.160.0000.04014.52
5.3.150.0000.03014.47
5.3.140.0000.03714.41
5.3.130.0030.03314.41
5.3.120.0000.03714.50
5.3.110.0000.03714.52
5.3.100.0000.03013.98
5.3.90.0030.05313.98
5.3.80.0030.03313.79
5.3.70.0000.05313.77
5.3.60.0000.03313.95
5.3.50.0000.03713.93
5.3.40.0000.03713.71
5.3.30.0000.06313.91
5.3.20.0000.06313.44
5.3.10.0000.03713.63
5.3.00.0000.03713.48
5.2.170.0000.03012.41
5.2.160.0000.03712.41
5.2.150.0000.05012.41
5.2.140.0000.06712.41
5.2.130.0030.05312.41
5.2.120.0030.05012.41
5.2.110.0000.02312.41
5.2.100.0030.06712.41
5.2.90.0000.03312.41
5.2.80.0000.05712.41
5.2.70.0030.04312.41
5.2.60.0030.06012.41
5.2.50.0030.06012.41
5.2.40.0070.05012.41
5.2.30.0030.03712.41
5.2.20.0070.05712.41
5.2.10.0000.06312.41
5.2.00.0000.06012.41
5.1.60.0000.05712.41
5.1.50.0000.05012.41
5.1.40.0070.04712.41
5.1.30.0030.04712.41
5.1.20.0030.05312.41
5.1.10.0070.05012.41
5.1.00.0070.05312.41
5.0.50.0070.04312.41
5.0.40.0030.04012.41
5.0.30.0030.05312.41
5.0.20.0000.03012.41
5.0.10.0030.04312.41
5.0.00.0000.04712.41
4.4.90.0030.03712.41
4.4.80.0070.02312.41
4.4.70.0030.02712.41
4.4.60.0000.02712.41
4.4.50.0000.03712.41
4.4.40.0000.05312.41
4.4.30.0000.02712.41
4.4.20.0030.03712.41
4.4.10.0000.04012.41
4.4.00.0000.05012.41
4.3.110.0030.03712.41
4.3.100.0030.03012.41
4.3.90.0000.03312.41
4.3.80.0000.04712.41
4.3.70.0000.03712.41
4.3.60.0030.02712.41
4.3.50.0100.02712.41
4.3.40.0000.04712.41
4.3.30.0000.03712.41
4.3.20.0030.03712.41
4.3.10.0000.04012.41
4.3.00.0030.03712.41

preferences:
38.28 ms | 400 KiB | 5 Q