3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); if (!is_null($a) && is_array($a)) { echo "The variable is an array."; } else { echo "The if clause was not run"; } /* echo isset($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)
8.3.40.0070.01018.84
8.3.30.0070.00720.22
8.3.20.0030.00620.21
8.3.10.0080.00022.15
8.3.00.0000.00822.27
8.2.170.0110.00322.96
8.2.160.0100.00322.09
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.69
8.2.110.0070.01022.08
8.2.100.0110.00017.88
8.2.90.0030.00618.89
8.2.80.0040.00419.09
8.2.70.0070.00317.63
8.2.60.0060.00317.92
8.2.50.0080.00018.07
8.2.40.0080.00018.16
8.2.30.0000.00719.43
8.2.20.0020.00517.63
8.2.10.0070.00017.73
8.2.00.0040.00417.66
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0080.00023.79
8.1.230.0040.00819.16
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0090.00017.53
8.1.180.0050.00319.00
8.1.170.0050.00318.60
8.1.160.0070.00418.80
8.1.150.0040.00418.59
8.1.140.0070.00017.39
8.1.130.0030.00617.88
8.1.120.0030.00317.35
8.1.110.0080.00017.44
8.1.100.0070.00017.32
8.1.90.0000.00717.45
8.1.80.0040.00417.35
8.1.70.0030.00317.44
8.1.60.0060.00317.60
8.1.50.0070.00017.39
8.1.40.0040.00417.50
8.1.30.0000.00817.55
8.1.20.0050.00317.71
8.1.10.0070.00017.49
8.1.00.0000.00917.32
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0040.00418.39
8.0.270.0030.00317.25
8.0.260.0070.00016.78
8.0.250.0030.00316.96
8.0.240.0060.00316.84
8.0.230.0040.00416.91
8.0.220.0000.00716.78
8.0.210.0050.00216.84
8.0.200.0000.00716.91
8.0.190.0000.00716.97
8.0.180.0070.00016.89
8.0.170.0000.00816.96
8.0.160.0040.00416.93
8.0.150.0060.00316.87
8.0.140.0000.00716.76
8.0.130.0050.00013.31
8.0.120.0080.00016.72
8.0.110.0000.00916.77
8.0.100.0000.00716.70
8.0.90.0000.00816.91
8.0.80.0110.00316.83
8.0.70.0000.00716.73
8.0.60.0040.00416.88
8.0.50.0040.00416.84
8.0.30.0110.00716.96
8.0.20.0150.00317.40
8.0.10.0050.00316.82
8.0.00.0120.01116.71
7.4.330.0000.00415.00
7.4.320.0030.00316.59
7.4.300.0060.00016.40
7.4.290.0040.00416.60
7.4.280.0030.00616.54
7.4.270.0050.00216.45
7.4.260.0030.00313.27
7.4.250.0000.00816.47
7.4.240.0020.00516.47
7.4.230.0040.00416.49
7.4.220.0090.01516.53
7.4.210.0080.00616.58
7.4.200.0000.00716.69
7.4.190.0030.00316.61
7.4.160.0080.00816.57
7.4.150.0080.00917.40
7.4.140.0140.00317.86
7.4.130.0060.01316.40
7.4.120.0030.01516.40
7.4.110.0110.00616.49
7.4.100.0070.01216.49
7.4.90.0090.01016.35
7.4.80.0110.00519.39
7.4.70.0170.00416.43
7.4.60.0100.01316.31
7.4.50.0050.00316.23
7.4.40.0100.00522.77
7.4.30.0090.01316.55
7.4.00.0050.00514.79
7.3.330.0030.00312.94
7.3.320.0000.00513.00
7.3.310.0000.00716.23
7.3.300.0030.00316.14
7.3.290.0130.00316.09
7.3.280.0090.00816.08
7.3.270.0120.00817.40
7.3.260.0110.00616.39
7.3.250.0110.00916.27
7.3.240.0130.01016.17
7.3.230.0070.01116.39
7.3.210.0150.00416.24
7.3.200.0110.00819.39
7.3.190.0100.00716.45
7.3.180.0110.00916.06
7.3.170.0140.00516.59
7.3.160.0120.00916.47
7.3.120.0100.00314.81
7.2.330.0070.01116.51
7.2.320.0090.01416.33
7.2.310.0130.00316.32
7.2.300.0070.01316.47
7.2.290.0030.01316.67
7.2.60.0070.00716.87
7.2.00.0040.00819.38
7.1.200.0030.01015.59
7.1.100.0000.01118.18
7.1.70.0000.00717.05
7.1.60.0000.01819.32
7.1.50.0110.01416.76
7.1.00.0030.03322.43
7.0.200.0000.00716.86
7.0.140.0000.07021.95
7.0.100.0130.06019.92
7.0.90.0200.08019.90
7.0.80.0100.08320.00
7.0.70.0030.08019.93
7.0.60.0100.07719.96
7.0.50.0030.09020.26
7.0.40.0000.05720.13
7.0.30.0130.08319.95
7.0.20.0070.08020.04
7.0.10.0070.08320.18
7.0.00.0030.09020.15
5.6.280.0030.07321.03
5.6.250.0070.06020.53
5.6.240.0030.05720.69
5.6.230.0070.08320.67
5.6.220.0070.07720.67
5.6.210.0070.04720.75
5.6.200.0200.07021.04
5.6.190.0130.07721.08
5.6.180.0070.08721.03
5.6.170.0070.08020.93
5.6.160.0270.06020.95
5.6.150.0170.07321.07
5.6.140.0030.08721.13
5.6.130.0130.08321.04
5.6.120.0030.06020.95
5.6.110.0030.09021.03
5.6.100.0170.07720.96
5.6.90.0100.04720.91
5.6.80.0100.07320.32
5.6.70.0000.05320.32
5.6.60.0070.06320.32
5.6.50.0170.07020.48
5.6.40.0100.08020.42
5.6.30.0070.07720.47
5.6.20.0070.07720.31
5.6.10.0100.04320.48
5.6.00.0130.07320.28
5.5.380.0100.07020.41
5.5.370.0030.07320.39
5.5.360.0100.07720.55
5.5.350.0100.04320.39
5.5.340.0200.07020.77
5.5.330.0130.07020.86
5.5.320.0070.05720.80
5.5.310.0070.08320.90
5.5.300.0100.04720.90
5.5.290.0070.08020.87
5.5.280.0030.08720.75
5.5.270.0100.04320.90
5.5.260.0000.07020.63
5.5.250.0070.07320.58
5.5.240.0170.07020.27
5.5.230.0130.07320.10
5.5.220.0100.07720.24
5.5.210.0100.07320.20
5.5.200.0130.07319.98
5.5.190.0230.06320.20
5.5.180.0030.08720.14
5.5.160.0230.03720.26
5.5.150.0030.08020.18
5.5.140.0070.07320.05
5.5.130.0070.06720.22
5.5.120.0100.05020.14
5.5.110.0170.06020.24
5.5.100.0130.04720.07
5.5.90.0030.05720.14
5.5.80.0030.04019.96
5.5.70.0000.04320.05
5.5.60.0070.04320.02
5.5.50.0070.03320.15
5.5.40.0100.03020.02
5.5.30.0030.04020.04
5.5.20.0070.05319.91
5.5.10.0070.04320.03
5.5.00.0070.03719.99
5.4.450.0030.08319.43
5.4.440.0100.05719.11
5.4.430.0130.07319.36
5.4.420.0170.07319.38
5.4.410.0100.06019.33
5.4.400.0100.07019.04
5.4.390.0000.07319.24
5.4.380.0170.06719.13
5.4.370.0100.07718.81
5.4.360.0070.07719.00
5.4.350.0170.07018.83
5.4.340.0030.08019.10
5.4.320.0030.07018.76
5.4.310.0130.07018.97
5.4.300.0070.04318.96
5.4.290.0000.08319.03
5.4.280.0000.04019.14
5.4.270.0100.04719.23
5.4.260.0070.06719.07
5.4.250.0070.07318.81
5.4.240.0070.03319.02
5.4.230.0100.03018.97
5.4.220.0070.04318.94
5.4.210.0000.04318.82
5.4.200.0070.08019.09
5.4.190.0030.03718.89
5.4.180.0100.03019.09
5.4.170.0070.04019.05
5.4.160.0000.04019.04
5.4.150.0070.03318.94
5.4.140.0030.04716.37
5.4.130.0100.02716.32
5.4.120.0000.03716.33
5.4.110.0000.04016.42
5.4.100.0000.05716.22
5.4.90.0030.03316.25
5.4.80.0100.03016.25
5.4.70.0100.06316.20
5.4.60.0100.03016.25
5.4.50.0000.04716.37
5.4.40.0070.03316.37
5.4.30.0030.05316.27
5.4.20.0070.03016.18
5.4.10.0070.06016.42
5.4.00.0030.03315.83
5.3.290.0070.08014.52
5.3.280.0100.03314.60
5.3.270.0070.06714.46
5.3.260.0070.03014.46
5.3.250.0030.03714.46
5.3.240.0030.05714.46
5.3.230.0070.07314.57
5.3.220.0100.03714.52
5.3.210.0070.06314.47
5.3.200.0070.03314.56
5.3.190.0030.03714.38
5.3.180.0030.05714.51
5.3.170.0000.04314.52
5.3.160.0000.04714.55
5.3.150.0000.04714.47
5.3.140.0000.03714.50
5.3.130.0030.03314.36
5.3.120.0030.05014.40
5.3.110.0030.04014.45
5.3.100.0000.04013.95
5.3.90.0030.03714.04
5.3.80.0070.04014.02
5.3.70.0130.05314.02
5.3.60.0030.03713.94
5.3.50.0070.03713.94
5.3.40.0030.03713.85
5.3.30.0070.03013.90
5.3.20.0030.03713.68
5.3.10.0070.06313.51
5.3.00.0000.03713.62
5.2.170.0000.03711.11
5.2.160.0030.02711.13
5.2.150.0030.03311.13
5.2.140.0000.03010.96
5.2.130.0030.03711.09
5.2.120.0030.02711.02
5.2.110.0000.05711.16
5.2.100.0030.03711.09
5.2.90.0000.03011.13
5.2.80.0030.03310.92
5.2.70.0000.03011.16
5.2.60.0000.03011.03
5.2.50.0000.06711.00
5.2.40.0030.06310.83
5.2.30.0100.05311.02
5.2.20.0070.06310.89
5.2.10.0100.05310.86
5.2.00.0030.06010.76
5.1.60.0000.05710.01
5.1.50.0130.04710.04
5.1.40.0070.05010.05
5.1.30.0100.05010.36
5.1.20.0100.05310.27
5.1.10.0070.03710.05
5.1.00.0100.04710.05
5.0.50.0030.0439.82
5.0.40.0070.0409.82
5.0.30.0000.0709.82
5.0.20.0000.0509.82
5.0.10.0100.0379.82
5.0.00.0100.0579.82
4.4.90.0030.0139.82
4.4.80.0000.0179.82
4.4.70.0030.0339.82
4.4.60.0070.0279.82
4.4.50.0070.0279.82
4.4.40.0000.0509.82
4.4.30.0000.0279.82
4.4.20.0070.0279.82
4.4.10.0000.0379.82
4.4.00.0030.0539.82
4.3.110.0030.0179.82
4.3.100.0030.0309.82
4.3.90.0000.0409.82
4.3.80.0030.0479.82
4.3.70.0000.0409.82
4.3.60.0000.0379.82
4.3.50.0000.0409.82
4.3.40.0030.0479.82
4.3.30.0000.0279.82
4.3.20.0000.0339.82
4.3.10.0000.0379.82
4.3.00.0070.0239.82

preferences:
35.68 ms | 400 KiB | 5 Q