3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(aarry(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)
8.3.40.0070.00718.69
8.3.30.0070.00719.27
8.3.20.0080.00020.20
8.3.10.0040.00423.36
8.3.00.0000.00819.38
8.2.170.0060.00922.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0030.01326.16
8.2.120.0040.00422.32
8.2.110.0100.00022.23
8.2.100.0060.00617.72
8.2.90.0040.00418.80
8.2.80.0060.00317.97
8.2.70.0050.00517.63
8.2.60.0030.00517.80
8.2.50.0050.00318.07
8.2.40.0030.00518.13
8.2.30.0000.00817.93
8.2.20.0070.00017.62
8.2.10.0000.00817.88
8.2.00.0030.00717.61
8.1.270.0000.00923.96
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0000.00923.83
8.1.230.0080.00318.89
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0040.00417.41
8.1.180.0060.00318.10
8.1.170.0060.00318.54
8.1.160.0030.00321.88
8.1.150.0000.00718.48
8.1.140.0040.00417.38
8.1.130.0000.00617.76
8.1.120.0030.00717.32
8.1.110.0040.00417.38
8.1.100.0050.00317.20
8.1.90.0000.00717.23
8.1.80.0030.00317.23
8.1.70.0000.00717.29
8.1.60.0040.00417.38
8.1.50.0040.00417.40
8.1.40.0000.00817.47
8.1.30.0030.00717.56
8.1.20.0080.00017.59
8.1.10.0060.00317.50
8.1.00.0030.00517.46
8.0.300.0080.00018.96
8.0.290.0030.00617.05
8.0.280.0000.00718.31
8.0.270.0070.00017.18
8.0.260.0030.00317.20
8.0.250.0070.00017.01
8.0.240.0030.00316.96
8.0.230.0040.00416.91
8.0.220.0030.00316.84
8.0.210.0000.00716.93
8.0.200.0050.00216.87
8.0.190.0070.00016.98
8.0.180.0040.00416.93
8.0.170.0000.00816.94
8.0.160.0040.00416.77
8.0.150.0060.00316.74
8.0.140.0040.00416.90
8.0.130.0000.00613.31
8.0.120.0080.00016.81
8.0.110.0070.00016.90
8.0.100.0040.00416.80
8.0.90.0070.00016.96
8.0.80.0110.00316.87
8.0.70.0040.00316.67
8.0.60.0060.00316.89
8.0.50.0040.00416.82
8.0.30.0110.00716.95
8.0.20.0100.00917.40
8.0.10.0040.00416.72
8.0.00.0130.00816.54
7.4.330.0000.00515.00
7.4.320.0000.00816.41
7.4.300.0000.00716.45
7.4.290.0000.00716.37
7.4.280.0040.00416.44
7.4.270.0030.00316.44
7.4.260.0040.00416.35
7.4.250.0040.00416.42
7.4.240.0020.00516.45
7.4.230.0040.00416.56
7.4.220.0070.01016.52
7.4.210.0050.01116.50
7.4.200.0070.00016.42
7.4.190.0070.00016.67
7.4.160.0040.01216.63
7.4.150.0030.01317.40
7.4.140.0120.00717.86
7.4.130.0110.00816.45
7.4.120.0050.01216.55
7.4.110.0170.00416.49
7.4.100.0060.01216.25
7.4.90.0110.00716.46
7.4.80.0090.01219.39
7.4.70.0050.01016.26
7.4.60.0030.01316.28
7.4.50.0030.00616.17
7.4.40.0060.00622.77
7.4.30.0130.00316.61
7.4.00.0050.01114.81
7.3.330.0070.00013.17
7.3.320.0060.00013.15
7.3.310.0000.00716.41
7.3.300.0030.00316.26
7.3.290.0070.01316.25
7.3.280.0080.01016.33
7.3.270.0070.01117.40
7.3.260.0110.01116.32
7.3.250.0130.00716.57
7.3.240.0070.01016.20
7.3.230.0070.01016.39
7.3.210.0070.01016.20
7.3.200.0060.01219.39
7.3.190.0090.00916.40
7.3.180.0080.00816.53
7.3.170.0290.02516.43
7.3.160.0120.00416.32
7.3.120.0070.00914.90
7.3.110.0110.00714.76
7.3.100.0100.00515.01
7.3.90.0070.00714.90
7.3.80.0020.01214.75
7.3.70.0090.00614.83
7.3.60.0100.00514.56
7.3.50.0040.00614.80
7.3.40.0090.00614.71
7.3.30.0060.00814.60
7.3.20.0060.00716.71
7.3.10.0080.00716.44
7.3.00.0120.00516.54
7.2.330.0090.01216.21
7.2.320.0070.01716.67
7.2.310.0090.00916.68
7.2.300.0100.00716.49
7.2.290.0080.00816.37
7.2.250.0090.00814.96
7.2.240.0120.00814.93
7.2.230.0050.01114.83
7.2.220.0080.00615.03
7.2.210.0060.01114.83
7.2.200.0060.00615.01
7.2.190.0100.00514.79
7.2.180.0090.00514.77
7.2.170.0000.01214.83
7.2.60.0040.00816.95
7.2.00.0060.00919.38
7.1.330.0050.00915.63
7.1.320.0050.00815.56
7.1.310.0080.00515.79
7.1.300.0030.00615.62
7.1.290.0050.01115.62
7.1.280.0030.00915.59
7.1.270.0050.00815.53
7.1.260.0070.00815.73
7.1.200.0090.00615.28
7.1.100.0000.01217.88
7.1.70.0000.00817.08
7.1.60.0140.01019.33
7.1.50.0070.01334.59
7.1.00.0000.07022.40
7.0.200.0040.00416.75
7.0.140.0000.07322.02
7.0.110.0100.08319.98
7.0.100.0030.08019.88
7.0.90.0070.08719.88
7.0.80.0200.07719.93
7.0.70.0030.08719.96
7.0.60.0100.07720.02
7.0.50.0100.07019.98
7.0.40.0030.08719.70
7.0.30.0100.07719.77
7.0.20.0200.07019.63
7.0.10.0100.07019.87
7.0.00.0070.05019.84
5.6.280.0070.07021.10
5.6.260.0100.07020.62
5.6.250.0100.07020.59
5.6.240.0100.08020.63
5.6.230.0030.08020.55
5.6.220.0200.07020.64
5.6.210.0170.07320.65
5.6.200.0030.09020.64
5.6.190.0070.07020.70
5.6.180.0070.06320.64
5.6.170.0070.08320.55
5.6.160.0130.07720.65
5.6.150.0130.07720.61
5.6.140.0100.08020.61
5.6.130.0030.08320.67
5.6.120.0070.07320.63
5.6.110.0130.07320.55
5.6.100.0030.05320.66
5.6.90.0000.04720.59
5.6.80.0030.05720.23
5.6.70.0100.08020.02
5.6.60.0030.04020.22
5.6.50.0070.04020.02
5.6.40.0070.03720.06
5.6.30.0100.07719.96
5.6.20.0000.04319.91
5.6.10.0070.04020.06
5.6.00.0130.03019.98
5.5.380.0000.04317.66
5.5.370.0100.07317.63
5.5.360.0130.07717.62
5.5.350.0130.07017.47
5.5.340.0070.08018.11
5.5.330.0200.07017.85
5.5.320.0070.06017.86
5.5.310.0000.09017.76
5.5.300.0100.08017.76
5.5.290.0070.07718.12
5.5.280.0100.04718.02
5.5.270.0070.07017.84
5.5.260.0070.08718.11
5.5.250.0100.07717.97
5.5.240.0070.04717.55
5.5.230.0070.07317.22
5.5.220.0070.05317.47
5.5.210.0070.04017.48
5.5.200.0030.04317.12
5.5.190.0030.05017.21
5.5.180.0070.03717.21
5.5.160.0030.05317.33
5.5.150.0030.04017.21
5.5.140.0030.03717.33
5.5.130.0070.03717.41
5.5.120.0130.02717.37
5.5.110.0070.04317.21
5.5.100.0030.08017.35
5.5.90.0000.04017.37
5.5.80.0030.04717.23
5.5.70.0070.03317.23
5.5.60.0070.05017.09
5.5.50.0070.03317.42
5.5.40.0070.04317.34
5.5.30.0030.05717.10
5.5.20.0100.03717.39
5.5.10.0100.03017.36
5.5.00.0100.03017.08
5.4.450.0070.08019.43
5.4.440.0070.07719.60
5.4.430.0070.03719.32
5.4.420.0200.06719.42
5.4.410.0100.04719.22
5.4.400.0030.07319.22
5.4.390.0070.05018.94
5.4.380.0030.03719.09
5.4.370.0070.03319.11
5.4.360.0030.04319.00
5.4.350.0100.03319.18
5.4.340.0070.03719.03
5.4.320.0070.03719.02
5.4.310.0000.04019.25
5.4.300.0200.06018.99
5.4.290.0000.04019.09
5.4.280.0000.07319.25
5.4.270.0100.03019.02
5.4.260.0000.04319.02
5.4.250.0030.07719.27
5.4.240.0030.06019.17
5.4.230.0030.03718.99
5.4.220.0000.07019.07
5.4.210.0000.04019.11
5.4.200.0070.03319.11
5.4.190.0130.05019.26
5.4.180.0000.04019.02
5.4.170.0000.04018.93
5.4.160.0000.05318.93
5.4.150.0030.03719.00
5.4.140.0030.03716.46
5.4.130.0000.03716.18
5.4.120.0070.03016.45
5.4.110.0030.03716.59
5.4.100.0030.03316.18
5.4.90.0000.03716.49
5.4.80.0070.03016.54
5.4.70.0070.03316.11
5.4.60.0000.03716.35
5.4.50.0070.03316.38
5.4.40.0070.03316.40
5.4.30.0070.03316.34
5.4.20.0030.03316.39
5.4.10.0070.03716.34
5.4.00.0030.06715.79
5.3.290.0000.04014.55
5.3.280.0030.03714.54
5.3.270.0000.04014.60
5.3.260.0070.05714.61
5.3.250.0000.04714.60
5.3.240.0000.04314.43
5.3.230.0070.06714.50
5.3.220.0030.03714.66
5.3.210.0000.04014.41
5.3.200.0030.03714.66
5.3.190.0070.03314.45
5.3.180.0070.03314.65
5.3.170.0100.03314.63
5.3.160.0070.03314.58
5.3.150.0100.05014.50
5.3.140.0030.03714.47
5.3.130.0030.03714.42
5.3.120.0070.06714.55
5.3.110.0070.05014.48
5.3.100.0070.05713.82
5.3.90.0100.06313.87
5.3.80.0070.07313.88
5.3.70.0000.08013.84
5.3.60.0100.06713.90
5.3.50.0000.08013.88
5.3.40.0130.06713.89
5.3.30.0070.04013.73
5.3.20.0100.03013.62
5.3.10.0070.02713.56
5.3.00.0030.07013.46
5.2.170.0030.06311.05
5.2.160.0030.06011.09
5.2.150.0030.02711.15
5.2.140.0070.05710.93
5.2.130.0100.05711.00
5.2.120.0000.05011.11
5.2.110.0030.06311.02
5.2.100.0000.06011.18
5.2.90.0000.03011.10
5.2.80.0070.03710.99
5.2.70.0100.06011.25
5.2.60.0070.05710.96
5.2.50.0070.05710.92
5.2.40.0000.06711.07
5.2.30.0030.06010.92
5.2.20.0070.05710.91
5.2.10.0000.04711.00
5.2.00.0030.04310.85
5.1.60.0000.0579.93
5.1.50.0030.02310.04
5.1.40.0030.0539.90
5.1.30.0070.04310.26
5.1.20.0030.03310.26
5.1.10.0100.04710.31
5.1.00.0030.05310.31
5.0.50.0030.0439.88
5.0.40.0100.0409.88
5.0.30.0000.0639.88
5.0.20.0030.0409.88
5.0.10.0030.0439.88
5.0.00.0070.0579.88
4.4.90.0030.0139.88
4.4.80.0000.0379.88
4.4.70.0100.0239.88
4.4.60.0030.0339.88
4.4.50.0000.0339.88
4.4.40.0030.0539.88
4.4.30.0030.0339.88
4.4.20.0030.0339.88
4.4.10.0000.0179.88
4.4.00.0000.0579.88
4.3.110.0000.0379.88
4.3.100.0070.0309.88
4.3.90.0030.0179.88
4.3.80.0030.0479.88
4.3.70.0070.0239.88
4.3.60.0000.0339.88
4.3.50.0030.0279.88
4.3.40.0030.0539.88
4.3.30.0000.0309.88
4.3.20.0000.0339.88
4.3.10.0000.0379.88
4.3.00.0030.0309.88

preferences:
56.4 ms | 400 KiB | 5 Q