3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1)); $b = ''; if(!empty($a) && isset($b) && isset($a[$b]['pqr'])){ print 'in switch'; } else { print 'Empty'; }

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)
8.3.60.0090.00616.50
8.3.50.0090.00921.95
8.3.40.0150.00318.65
8.3.30.0080.00819.14
8.3.20.0000.00720.13
8.3.10.0030.00623.71
8.3.00.0000.00819.38
8.2.180.0090.00918.29
8.2.170.0120.00622.96
8.2.160.0060.00920.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0120.00326.16
8.2.120.0080.00022.25
8.2.110.0030.00721.01
8.2.100.0040.00817.91
8.2.90.0030.00517.75
8.2.80.0050.00318.92
8.2.70.0050.00317.63
8.2.60.0040.00417.63
8.2.50.0080.00017.72
8.2.40.0060.00319.48
8.2.30.0000.00718.18
8.2.20.0040.00417.62
8.2.10.0000.00818.09
8.2.00.0070.00317.66
8.1.280.0070.00725.92
8.1.270.0080.00021.91
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0040.00718.95
8.1.220.0000.00817.76
8.1.210.0000.00918.77
8.1.200.0000.00817.35
8.1.190.0030.00617.22
8.1.180.0000.01118.10
8.1.170.0000.00818.88
8.1.160.0000.00821.95
8.1.150.0000.00718.50
8.1.140.0070.00017.38
8.1.130.0060.00017.83
8.1.120.0030.00617.35
8.1.110.0000.00817.48
8.1.100.0070.00017.39
8.1.90.0070.00017.27
8.1.80.0030.00317.43
8.1.70.0000.00617.43
8.1.60.0030.00617.61
8.1.50.0050.00317.46
8.1.40.0030.00617.47
8.1.30.0000.00817.57
8.1.20.0030.00617.60
8.1.10.0030.00517.44
8.1.00.0080.00017.45
8.0.300.0050.00318.77
8.0.290.0070.00016.63
8.0.280.0030.00318.48
8.0.270.0030.00317.28
8.0.260.0030.00317.16
8.0.250.0030.00317.01
8.0.240.0000.00616.96
8.0.230.0000.00816.81
8.0.220.0030.00316.88
8.0.210.0030.00516.79
8.0.200.0000.00617.00
8.0.190.0030.00616.99
8.0.180.0000.00716.83
8.0.170.0030.00516.92
8.0.160.0040.00416.91
8.0.150.0030.00316.86
8.0.140.0040.00416.83
8.0.130.0000.00713.31
8.0.120.0000.00816.76
8.0.110.0030.00416.90
8.0.100.0000.00716.89
8.0.90.0000.00716.73
8.0.80.0070.00716.77
8.0.70.0040.00416.94
8.0.60.0070.00016.80
8.0.50.0000.00716.93
8.0.30.0110.00817.10
8.0.20.0130.00517.40
8.0.10.0030.00316.82
8.0.00.0050.01416.79
7.4.330.0050.00015.05
7.4.320.0000.00716.64
7.4.300.0030.00316.64
7.4.290.0000.00716.57
7.4.280.0000.00816.48
7.4.270.0040.00416.51
7.4.260.0030.00616.50
7.4.250.0000.00716.47
7.4.240.0000.00716.57
7.4.230.0030.00316.70
7.4.220.0070.01016.59
7.4.210.0100.00916.53
7.4.200.0000.00616.29
7.4.190.0000.00816.68
7.4.160.0060.00916.32
7.4.150.0130.00417.40
7.4.140.0100.01017.86
7.4.130.0080.00816.46
7.4.120.0030.01416.42
7.4.110.0100.01016.54
7.4.100.0150.00416.51
7.4.90.0100.00716.60
7.4.80.0120.00619.39
7.4.70.0160.01216.39
7.4.60.0090.00916.55
7.4.50.0000.00816.32
7.4.40.0060.00922.77
7.4.30.0080.00816.62
7.4.00.0110.00414.85
7.3.330.0020.00513.06
7.3.320.0000.00512.95
7.3.310.0030.00316.40
7.3.300.0000.00716.26
7.3.290.0090.01216.32
7.3.280.0060.00916.29
7.3.270.0060.01217.40
7.3.260.0060.01116.09
7.3.250.0090.00916.24
7.3.240.0060.01216.52
7.3.230.0060.01016.39
7.3.210.0060.00916.53
7.3.200.0160.00319.39
7.3.190.0100.00716.28
7.3.180.0110.00416.45
7.3.170.0120.00616.35
7.3.160.0060.01016.26
7.3.120.0030.01415.05
7.3.10.0100.00316.43
7.3.00.0000.01116.54
7.2.330.0140.00416.67
7.2.320.0090.00916.30
7.2.310.0110.00716.21
7.2.300.0030.01316.43
7.2.290.0050.01116.53
7.2.130.0070.01116.22
7.2.120.0040.00816.78
7.2.110.0000.01016.61
7.2.100.0030.00616.72
7.2.90.0130.00716.39
7.2.80.0110.00816.68
7.2.70.0030.01216.63
7.2.60.0070.00716.62
7.2.50.0130.01016.89
7.2.40.0140.00716.88
7.2.30.0050.00516.55
7.2.20.0090.00916.20
7.2.10.0150.01216.70
7.2.00.0070.00818.07
7.1.250.0140.00715.48
7.1.200.0110.01115.41
7.1.100.0000.01317.82
7.1.70.0000.00717.06
7.1.60.0090.01519.33
7.1.50.0150.00916.68
7.1.00.0000.07722.36
7.0.200.0080.00016.82
7.0.140.0070.06722.09
7.0.60.0070.08720.00
7.0.50.0200.04717.86
7.0.40.0100.09020.23
7.0.30.0430.08020.01
7.0.20.0230.08320.21
7.0.10.0070.05020.18
7.0.00.0170.08020.44
5.6.280.0100.07020.89
5.6.210.0030.07720.64
5.6.200.0000.05718.18
5.6.190.0070.08720.41
5.6.180.0400.05720.49
5.6.170.0230.03320.50
5.6.160.0000.09020.50
5.6.150.0100.08018.18
5.6.140.0030.07718.21
5.6.130.0000.04318.22
5.6.120.0070.04021.03
5.6.110.0030.04020.96
5.6.100.0070.08320.96
5.6.90.0130.08021.10
5.6.80.0130.07320.43
5.6.70.3570.04020.37
5.5.350.0130.06320.41
5.5.340.0130.04717.92
5.5.330.0030.08720.43
5.5.320.0030.04020.29
5.5.310.0230.08320.29
5.5.300.0170.07718.00
5.5.290.0030.04018.04
5.5.280.0030.08720.64
5.5.270.0070.04020.86
5.5.260.0170.05320.64
5.5.250.0030.06320.68
5.5.240.0270.07320.36
5.4.450.0770.05319.46
5.4.440.0270.06319.27
5.4.430.0200.07019.47
5.4.420.0330.06719.57
5.4.410.0400.05719.43
5.4.400.0130.05318.80
5.4.390.0330.05319.30
5.4.380.0200.06018.69
5.4.370.0330.04018.72
5.4.360.0270.05318.53
5.4.350.0330.05018.73
5.4.340.0230.05018.61
5.4.320.0070.03612.45
5.4.310.0070.03912.45
5.4.300.0060.03912.45
5.4.290.0090.03612.45
5.4.280.0120.04912.32
5.4.270.0120.07412.32
5.4.260.0070.06212.32
5.4.250.0200.08712.32
5.4.240.0060.04212.32
5.4.230.0100.05312.31
5.4.220.0120.07412.31
5.4.210.0150.06012.31
5.4.200.0240.06912.31
5.4.190.0100.05812.30
5.4.180.0150.06812.30
5.4.170.0270.07912.32
5.4.160.0090.06212.31
5.4.150.0120.08212.31
5.4.140.0090.06411.99
5.4.130.0160.07411.98
5.4.120.0130.05811.94
5.4.110.0120.05511.93
5.4.100.0080.04211.94
5.4.90.0140.03711.93
5.4.80.0110.03911.93
5.4.70.0060.04011.93
5.4.60.0150.04211.93
5.4.50.0130.07111.93
5.4.40.0140.06411.92
5.4.30.0100.05811.92
5.4.20.0240.10411.92
5.4.10.0250.08411.92
5.4.00.0170.07511.40
5.3.290.0090.03612.80
5.3.280.0260.08312.70
5.3.270.0210.07012.72
5.3.260.0140.07312.72
5.3.250.0180.05912.72
5.3.240.0120.06712.72
5.3.230.0210.07612.71
5.3.220.0240.07512.68
5.3.210.0300.09612.68
5.3.200.0140.05912.68
5.3.190.0110.06012.68
5.3.180.0200.06512.67
5.3.170.0140.05012.67
5.3.160.0180.06912.68
5.3.150.0120.09212.68
5.3.140.0230.05812.66
5.3.130.0120.07412.66
5.3.120.0190.06612.66
5.3.110.0160.06512.66
5.3.100.0100.04712.12
5.3.90.0440.06212.08
5.3.80.0210.07212.08
5.3.70.0090.05512.08
5.3.60.0130.07212.06
5.3.50.0180.06212.00
5.3.40.0240.06612.00
5.3.30.0110.04911.94
5.3.20.0220.05211.70
5.3.10.0200.12311.67
5.3.00.0260.09011.67
5.2.170.0250.0969.15
5.2.160.0190.0599.15
5.2.150.0170.0509.15
5.2.140.0220.0729.15
5.2.130.0350.0599.11
5.2.120.0140.0649.11
5.2.110.0240.0609.11
5.2.100.0140.0429.11
5.2.90.0140.0429.11
5.2.80.0070.0479.11
5.2.70.0220.0649.10
5.2.60.0160.0529.06
5.2.50.0160.0609.03
5.2.40.0170.0489.00
5.2.30.0120.0908.98
5.2.20.0150.0658.97
5.2.10.0190.0738.90
5.2.00.0090.0578.76
5.1.60.0090.0528.04
5.1.50.0100.0378.04
5.1.40.0070.0538.03
5.1.30.0100.0368.38
5.1.20.0120.0388.40
5.1.10.0240.0828.12
5.1.00.0190.0568.13
5.0.50.0060.0326.60
5.0.40.0180.0416.46
5.0.30.0100.0586.27
5.0.20.0150.0716.25
5.0.10.0190.0526.23
5.0.00.0150.0856.21
4.4.90.0040.0244.78
4.4.80.0020.0404.75
4.4.70.0150.0364.76
4.4.60.0100.0424.75
4.4.50.0160.0644.77
4.4.40.0130.0724.71
4.4.30.0110.0274.76
4.4.20.0100.0494.84
4.4.10.0100.0344.85
4.4.00.0090.0424.76
4.3.110.0040.0224.67
4.3.100.0330.0584.67
4.3.90.0040.0374.63
4.3.80.0040.0494.58
4.3.70.0110.0264.63
4.3.60.0050.0334.63
4.3.50.0040.0264.63
4.3.40.0040.0324.54
4.3.30.0030.0223.27
4.3.20.0030.0213.25
4.3.10.0030.0233.22
4.3.00.0030.03010.30

preferences:
51.13 ms | 401 KiB | 5 Q