3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); if (!is_null($a) && !is_array($a)) { echo "The variable is an empty array."; } else { echo "The if clause was not run"; } /* echo isset($a)?'true':'false'; */

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)
8.3.60.0170.00318.30
8.3.50.0080.00821.20
8.3.40.0110.00418.71
8.3.30.0070.00720.17
8.3.20.0080.00020.21
8.3.10.0100.00722.09
8.3.00.0070.00722.37
8.2.180.0090.00616.38
8.2.170.0140.00022.96
8.2.160.0030.01022.13
8.2.150.0120.00324.18
8.2.140.0070.01024.66
8.2.130.0080.00026.16
8.2.120.0060.00320.76
8.2.110.0060.00320.52
8.2.100.0040.00717.72
8.2.90.0050.00319.20
8.2.80.0000.00819.46
8.2.70.0080.00017.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0000.00918.22
8.2.30.0040.00419.43
8.2.20.0000.00717.53
8.2.10.0040.00417.64
8.2.00.0040.00417.55
8.1.280.0110.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00324.03
8.1.230.0060.00619.09
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0080.00017.23
8.1.190.0000.00817.53
8.1.180.0030.00518.97
8.1.170.0050.00318.50
8.1.160.0040.00418.88
8.1.150.0060.00318.55
8.1.140.0000.00717.44
8.1.130.0030.00617.88
8.1.120.0000.00717.42
8.1.110.0040.00417.36
8.1.100.0030.00417.50
8.1.90.0000.00717.43
8.1.80.0070.00017.37
8.1.70.0030.00317.43
8.1.60.0050.00317.48
8.1.50.0040.00417.43
8.1.40.0000.00817.49
8.1.30.0000.00717.57
8.1.20.0040.00417.64
8.1.10.0000.00717.41
8.1.00.0000.01017.31
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0070.00018.41
8.0.270.0030.00317.16
8.0.260.0030.00316.68
8.0.250.0070.00016.98
8.0.240.0000.00916.82
8.0.230.0000.00716.83
8.0.220.0030.00316.84
8.0.210.0030.00316.84
8.0.200.0000.00616.87
8.0.190.0030.00516.98
8.0.180.0030.00316.80
8.0.170.0050.00316.84
8.0.160.0000.00716.88
8.0.150.0040.00416.82
8.0.140.0080.00316.78
8.0.130.0000.00513.29
8.0.120.0000.00716.90
8.0.110.0040.00416.70
8.0.100.0030.00316.90
8.0.90.0070.00316.95
8.0.80.0060.01816.88
8.0.70.0020.00516.82
8.0.60.0040.00416.88
8.0.50.0030.00516.73
8.0.30.0140.00716.95
8.0.20.0100.00917.40
8.0.10.0040.00416.98
8.0.00.0150.00616.65
7.4.330.0030.00315.00
7.4.320.0030.00316.44
7.4.300.0000.00616.58
7.4.290.0000.00716.59
7.4.280.0070.00316.57
7.4.270.0030.00316.56
7.4.260.0050.00013.16
7.4.250.0080.00016.45
7.4.240.0000.00716.59
7.4.230.0030.00316.66
7.4.220.0060.01216.69
7.4.210.0090.00616.57
7.4.200.0070.00016.24
7.4.190.0040.00416.36
7.4.160.0120.00616.29
7.4.150.0030.01417.40
7.4.140.0080.01017.86
7.4.130.0070.00916.51
7.4.120.0070.01016.52
7.4.110.0130.00316.41
7.4.100.0070.01016.35
7.4.90.0070.01016.43
7.4.80.0090.01219.39
7.4.70.0070.01016.45
7.4.60.0160.00616.29
7.4.50.0000.00816.48
7.4.40.0040.00822.77
7.4.30.0120.00616.56
7.4.00.0130.00314.99
7.3.330.0050.00013.05
7.3.320.0060.00012.97
7.3.310.0000.00716.09
7.3.300.0060.00016.18
7.3.290.0060.01216.06
7.3.280.0060.00916.09
7.3.270.0100.00717.40
7.3.260.0060.01216.25
7.3.250.0120.00816.33
7.3.240.0090.00816.20
7.3.230.0030.01316.51
7.3.210.0050.01616.19
7.3.200.0060.01019.39
7.3.190.0080.00816.33
7.3.180.0150.00316.21
7.3.170.0170.00416.27
7.3.160.0110.01416.23
7.3.120.0150.00014.88
7.2.330.0140.00516.45
7.2.320.0110.00816.24
7.2.310.0150.00316.60
7.2.300.0090.01216.65
7.2.290.0200.00416.58
7.2.60.0040.00916.86
7.1.200.0000.01415.86
7.1.70.0090.00316.90
7.1.60.0070.01619.32
7.1.50.0110.01416.54
7.1.00.0070.03022.33
7.0.200.0030.00716.70
7.0.140.0030.07322.04
7.0.110.0070.07319.95
7.0.100.0430.08020.11
7.0.90.0330.07319.96
7.0.80.0530.07019.84
7.0.70.0570.07719.93
7.0.60.0470.08719.68
7.0.50.0430.09020.24
7.0.40.0070.07719.96
7.0.30.0070.08320.16
7.0.20.0100.08320.03
7.0.10.0070.08020.03
7.0.00.0100.07720.02
5.6.280.0030.07320.88
5.6.260.0070.08320.88
5.6.250.0130.07320.59
5.6.240.0070.04020.60
5.6.230.0130.07320.68
5.6.220.0100.07720.62
5.6.210.0070.08020.62
5.6.200.0070.07321.11
5.6.190.0130.04320.94
5.6.180.0130.07321.02
5.6.170.0070.08320.93
5.6.160.0030.09021.25
5.6.150.0070.07321.07
5.6.140.0170.07321.07
5.6.130.0030.08320.92
5.6.120.0030.08321.13
5.6.110.0100.07721.25
5.6.100.0070.07021.03
5.6.90.0030.07321.16
5.6.80.0070.07720.36
5.6.70.0030.07020.48
5.6.60.0070.07020.41
5.6.50.0100.07720.28
5.6.40.0100.07720.29
5.6.30.0030.06020.50
5.6.20.0070.08020.46
5.6.10.0030.07320.42
5.6.00.0070.08020.48
5.5.380.0100.03720.31
5.5.370.0000.08020.53
5.5.360.0100.03720.33
5.5.350.0000.08720.46
5.5.340.0070.07020.78
5.5.330.0170.06720.86
5.5.320.0170.06020.70
5.5.310.0070.08020.88
5.5.300.0030.09020.80
5.5.290.0030.08320.89
5.5.280.0000.08720.80
5.5.270.0100.04320.83
5.5.260.0070.07720.67
5.5.250.0130.06720.71
5.5.240.0170.07320.08
5.5.230.0070.05020.41
5.5.220.0030.07020.38
5.5.210.0000.08320.24
5.5.200.0030.05020.34
5.5.190.0030.07720.18
5.5.180.0170.03720.38
5.5.160.0030.07320.24
5.5.150.0000.05320.29
5.5.140.0130.07720.24
5.5.130.0100.07720.28
5.5.120.0200.08320.15
5.5.110.0070.08020.35
5.5.100.0070.07720.05
5.5.90.0070.06020.02
5.5.80.0170.07019.98
5.5.70.0030.04020.26
5.5.60.0070.05720.05
5.5.50.0070.04320.12
5.5.40.0100.07320.08
5.5.30.0030.09020.14
5.5.20.0070.07720.20
5.5.10.0170.05720.14
5.5.00.0130.06719.91
5.4.450.0030.05319.28
5.4.440.0070.08019.25
5.4.430.0100.07719.27
5.4.420.0030.07019.35
5.4.410.0030.08019.44
5.4.400.0070.04718.95
5.4.390.0100.07019.18
5.4.380.0070.04019.25
5.4.370.0030.04719.10
5.4.360.0030.04719.02
5.4.350.0130.07318.95
5.4.340.0130.07019.02
5.4.320.0030.07719.25
5.4.310.0100.07319.08
5.4.300.0100.07319.12
5.4.290.0030.07719.17
5.4.280.0100.07719.00
5.4.270.0070.07719.26
5.4.260.0070.07719.11
5.4.250.0100.07719.16
5.4.240.0070.04719.00
5.4.230.0070.06319.02
5.4.220.0070.07018.96
5.4.210.0070.07718.94
5.4.200.0130.07019.00
5.4.190.0100.07018.97
5.4.180.0100.04318.95
5.4.170.0130.07019.20
5.4.160.0030.06718.98
5.4.150.0030.08319.00
5.4.140.0070.07016.34
5.4.130.0030.05316.21
5.4.120.0070.07316.26
5.4.110.0100.06316.18
5.4.100.0070.07316.41
5.4.90.0000.05716.49
5.4.80.0170.06316.39
5.4.70.0100.06316.38
5.4.60.0170.06016.44
5.4.50.0070.03316.25
5.4.40.0000.04016.43
5.4.30.0070.03316.49
5.4.20.0000.04316.41
5.4.10.0030.04316.35
5.4.00.0100.03015.92
5.3.290.0000.05014.49
5.3.280.0170.06714.66
5.3.270.0030.07714.62
5.3.260.0070.07314.39
5.3.250.0070.03714.43
5.3.240.0000.08014.49
5.3.230.0100.04014.60
5.3.220.0070.07014.46
5.3.210.0070.08014.63
5.3.200.0030.06714.58
5.3.190.0070.06714.44
5.3.180.0000.07014.48
5.3.170.0070.04314.43
5.3.160.0000.04714.57
5.3.150.0130.04314.46
5.3.140.0000.04014.46
5.3.130.0070.06314.45
5.3.120.0070.05014.55
5.3.110.0030.03714.48
5.3.100.0070.03013.93
5.3.90.0070.03314.09
5.3.80.0000.04313.86
5.3.70.0070.03314.03
5.3.60.0000.04013.88
5.3.50.0100.03013.84
5.3.40.0070.03014.02
5.3.30.0030.03314.00
5.3.20.0000.03713.71
5.3.10.0030.03713.59
5.3.00.0100.02713.56
5.2.170.0070.03311.82
5.2.160.0000.04011.82
5.2.150.0000.03311.82
5.2.140.0000.03011.82
5.2.130.0000.03011.82
5.2.120.0000.03311.82
5.2.110.0070.06011.82
5.2.100.0000.05311.82
5.2.90.0000.03311.82
5.2.80.0070.06011.82
5.2.70.0000.03711.82
5.2.60.0100.05011.82
5.2.50.0030.06011.82
5.2.40.0170.04311.82
5.2.30.0070.02711.82
5.2.20.0000.03011.82
5.2.10.0000.03011.82
5.2.00.0070.02311.82
5.1.60.0000.03711.82
5.1.50.0030.02311.82
5.1.40.0000.02311.82
5.1.30.0070.02011.82
5.1.20.0030.04011.82
5.1.10.0000.02311.82
5.1.00.0000.02711.82
5.0.50.0000.02011.82
5.0.40.0070.02311.82
5.0.30.0000.04711.82
5.0.20.0000.02011.82
5.0.10.0030.02011.82
5.0.00.0000.05011.82
4.4.90.0000.03711.82
4.4.80.0000.03311.82
4.4.70.0000.01711.82
4.4.60.0000.01711.82
4.4.50.0030.01311.82
4.4.40.0000.02311.82
4.4.30.0030.03311.82
4.4.20.0000.01711.82
4.4.10.0000.02011.82
4.4.00.0030.02011.82
4.3.110.0030.01311.82
4.3.100.0000.01311.82
4.3.90.0000.01711.82
4.3.80.0030.03711.82
4.3.70.0000.02011.82
4.3.60.0000.01311.82
4.3.50.0000.02011.82
4.3.40.0030.02311.82
4.3.30.0000.02011.82
4.3.20.0000.01711.82
4.3.10.0030.02011.82
4.3.00.0000.03711.82

preferences:
45.01 ms | 401 KiB | 5 Q